Cables to Go Switch TE100 S55 User Manual

TM  
ProXpress  
Multifunction Switch/Router  
Model TE100-S55  
for connecting 10Base-T, 100Base-TX,  
100Base-FX and ISDN links  
User’s Guide  
First Edition - June 1, 1996  
 
Service and support  
TRENDware is committed to providing customers with high  
quality and timely technical support worldwide.  
Unlimited technical support is available to you free of charge.  
TRENDware support engineers are available to respond to your  
calls Monday through Friday, 8:30 a.m. to 5:30 p.m. Pacific  
Standard Time.  
TEL  
FAX  
USA  
1-310-328-7795  
1-310-328-7798  
Bulletin Board System:  
310-328-8191  
(protocol: 14400, 8, N,1)  
World Wide Web Site:  
3
 
About this manual  
This manual is the user’s reference guide for the TE100-S55 that  
interconnects Fast Ethernet, 10Base-T and ISDN links into a  
single system. It provides detailed information on the features,  
functions and installation of the TE100-S55.  
Chapter 1 provides an overview of Fast Ethernet and Switching  
technology, their uses and benefits in the currently emerging  
computing environment, and an overview of the TE100-S55.  
Chapter2 describes the cabling rules and guidelines for  
integrating the TE100-S55 into a network.  
Chapter 3 describes how to configure the TE100-S55 through  
the Out-of-band management.  
Chapter 4 describes how to configure the TE100-S55 through  
the XPressView SNMP Management program.  
Chapter 5 teaches how to identify the status LEDs of the  
TE100-S55 and how to isolate and solve problems.  
TE100-S55  
4
 
Table of Contents  
Chapter 1  
INTRODUCTION  
Fast Ethernet Technology  
Switching Technology  
7
8
10/100 Switching Technology  
Benefits of Switching  
9
9
Introducing the TE100-S55  
10  
Features of the TE100-S55  
12  
Chapter 2  
GETTING STARTED  
Cabling Rules and Site Preparation  
Unpacking  
13  
16  
17  
18  
18  
19  
19  
20  
20  
The Front Panel  
Mounting  
Attaching Cables  
Adding Optional Modules  
Power ON  
Software Setup  
Checking Status LEDs  
Chapter 3  
CONFIGURING THE SWITCH  
Introduction  
21  
22  
27  
Out-of-Band Management  
Spanning Tree Algorithm  
Chapter 4  
SNMP MANAGEMENT  
5
 
Installing XPressView  
Starting XPressView  
Operating XPressView  
36  
37  
38  
Chapter 5  
DIAGNOSTICS  
Power-On Self Test  
System Status LEDs  
System Diagnostic LEDs  
System Utilization LEDs  
Port Status LEDs  
41  
42  
43  
43  
44  
APPENDICES  
A ~ Switch Default Setting  
B ~ RS-232 Pin Specification  
C ~ RJ-45 Pin Specification  
D ~ 10Base-T Module  
45  
46  
47  
49  
50  
52  
54  
E ~ 100Base-FX/TX Module  
F ~ ISDN Module  
G ~ Hardware Specification  
INDEX  
56  
6
 
Chapter 1 Introduction  
Fast Ethernet Technology  
The growing importance of LANs and the increasing complexity  
of desktop computing applications are fueling the needs for high  
performance networks. A number of high-speed LAN  
technologies are available to provide greater bandwidth and  
improve client/server response times. Among them, Fast  
Ethernet, also known as 100Base-T, provides the smoothest  
migration path for the current 10Base-T technology. The non-  
disruptive and smooth evolutionary nature of Fast Ethernet, plus  
its prevailing market acceptance, guarantees it as the most cost  
effective and high-performance networking solution of the future.  
100Base-T networks essentially look and act like 10Base-T  
networks, only faster (see Table 1-1, page 8). 100Base-T  
provides 10 times the performance of 10Base-T while retaining  
most of the same cabling rules and the CSMA/CD media-access  
method. 100Base-T also uses the same packet format, packet  
length, error control and management information as 10Base-T.  
As such, 100Base-T is recognized as the true and rightful heir of  
10Base-T.  
For flexibility, the 100Base-T specification contains three  
different cabling schemes, 100Base-TX (Cat 5 UTP), 100Base-T4  
(Cat 3,4 or 5 UTP) and 100Base-FX (fiber optic). 100Base-TX is  
probably the most popular choice since it enables users to retain  
their existing 10Base-T cabling infrastructure and easily migrate  
to Fast Ethernet.  
7
 
Ethernet  
10Mbps  
Fast Ethernet  
100Mbps  
2x or less  
CSMA/CD  
Star  
Speed  
x
Cost  
CSMA/CD  
Star or Bus  
UTP, Coax, Fiber  
IEEE 802.3 Standard  
Topology  
UTP, Fiber  
Cable Supported  
Cable Specification  
10Base-T:Cat 3,4,5 UTP 100Base-T4: Cat 3,4,5 UTP  
10Base-2: Thin coax  
10Base-F: Fiber optic  
100Base-TX: Cat 5 UTP  
100Base-FX: Fiber optic  
100 meters  
100 meters  
Maximum distance of  
UTP link  
500 meters  
210 meters  
Collision domain  
diameter (maximum  
distance w/UTP)  
Unlimited  
Unlimited  
Maximum network  
diameter (using  
switches/routers)  
Yes (AUI)  
Yes  
Yes (MII)  
Yes  
Media Independent  
Interface  
Full duplex Signaling  
Table Chapter 1 -1, Ethernet vs. Fast Ethernet  
Switching Technology  
Another approach to pushing beyond the limits of Ethernet is the  
development of Switching technology. A switch works in the  
MAC address level, bridging multiple Ethernet segments to  
prevent unnecessary network traffic from passing one another. In  
a properly subdivided switched LAN, the net result is a full and  
transparent bandwidth for each segment.  
Switched Ethernet vs. Legacy Ethernet is analogous to using  
private telephone lines vs. party lines. By connecting to a  
switched port, each Ethernet segment has dynamic full  
8
 
performance or “wire-speed.” Therefore, a switch effectively  
splits a physical shared-access LAN into bridged multiple LAN  
segments. Each segment supports a workgroup and even  
provides a dedicated connection to a desktop server. The  
outcome is a multiplication of the overall available bandwidth and  
a more predictable performance under heavy network loads.  
10/100 Switching Technology  
Just as 100Base-T is an extension of the existing 10Base-T  
technology, 10/100 Switching is merely an extension of  
10Base-T Switching. The 10/100 Switch provides not only the  
10/100Mbps high-speed transmission rate per segment, but it also  
bridges 10Base-T and 100Base-T into a harmonious network.  
Combining Fast Ethernet and Switching technologies, the 10/100  
Switch provides enough bandwidth to satisfy the most demanding  
workgroups, as well as a high-speed backbone link.  
Benefits of Switching  
From the technical point of view, Ethernet switching technology  
dramatically boosts the total bandwidth of a network. It also puts  
configuration flexibility and bandwidth adaptability into the local  
workgroups where the majority of work is generated from a  
business operation. Switching further eliminates the congestion  
problem inherent to the contention oriented Ethernet CSMA/CD  
protocol, thereby improving predictable response times under  
heavy network loads. In the past, this congestion under heavy  
loads was alleviated using an expensive routing technology.  
From the applications point of view, the new wave of object  
oriented distributed Client/Server applications demands higher  
bandwidth and tighter integration of client workstations with  
servers. The legacy shared-access 10Mbps Ethernet technology  
9
 
can no longer provide both bandwidth and predictable response  
times to this new generation of workgroup computing.  
From an economical point of view, Fast Ethernet switching not  
only satisfies both technical and business requirements, but also  
preserves the users’ existing investment in the huge 10Base-T  
Ethernet installed base. This compatibility insures a path for  
users to add, change, and migrate to Fast Ethernet capabilities as  
needs arise. It also provides a low cost and flexible bandwidth  
solution directly to local workgroups, where the majority of work  
is generated and reducing the need of expensive routers that  
usually cater to the network backbone.  
Introducing the TE100-S55  
The word “flexible” best describes the characteristics of the  
TE100-S55 . Not only does it provide five fixed 10/100Mb ports,  
but it also provides an open slot for adding an 8-port 10Base-T  
module, a 100Base-FX/TX port or an ISDN router module.  
Users can hand-select the necessary modules to fit their individual  
needs.  
With expandable switch functionality and ISDN router support,  
the TE100-S55 brings to the workgroup capabilities normally  
found in more expensive, chassis-based products. Dual-speed  
10/100 configuration options also make the product ideal for  
integrating Fast Ethernet technology into existing 10Mbps  
network.  
Both fixed and modular network ports on the TE100-S55 feature  
NWAY Auto-negotiation, to simplify installation and use.  
NWAY Auto-negotiation senses the network speed when cabling  
is inserted into the port, and automatically transmits at either  
100Mbps or 10Mbps. In addition, it detects whether the device  
transmitting to the port is utilizing half or full-duplex signaling  
and configures itself without user intervention. When taking  
advantage of full duplex signaling, the TE100-S55 literally  
10  
 
doubles network throughput to 200Mbps on Fast Ethernet  
segments and 20Mbps on 10Base-T segments.  
Although the TE100-S55 is equipped with five ports for 10Base-  
T or 100Base-TX connections, it also provides an open slot for  
add-on modules. These modules include an 8-port 10Base-T, a  
100Base-FX/TX port or an ISDN router.  
Module Type  
10Base-T  
Description  
Common Usage  
Eight RJ-45 ports for Cat Existing 10Base-T  
3, 4 or 5 UTP cable.  
users who want to  
expand or segment  
their 10Base-T  
connections.  
Refer to Appendix D,  
page 49 for more detail.  
One MIC port for fiber  
optic cable plus one  
Fast Ethernet users  
who want to connect  
100Base-FX/TX  
RJ-45 port for Cat 5 UTP to fiber optic  
cable.  
backbone or expand  
their 100Base-TX  
connection.  
Although two ports are  
provided, only one port  
may be used at a time.  
Refer to Appendix E,  
page 50 for more detail.  
One RJ-11 port for ISDN Ethernet or Fast  
ISDN Router  
phone line (two-64Kbps  
channels).  
Ethernet users who  
want to access remote  
locations or  
(up to 128Kbps)  
Refer to Appendix F,  
page 52 for more detail.  
internet/intranet.  
Table Chapter 1 -2, Description of Add-on  
Modules  
11  
 
Features of TE100-S55  
Utilizing the latest Fast Ethernet and Switching technologies, the  
TRENDnet TE100-S55 is designed to provide:  
Five 10/100Mbps dual-speed Ethernet ports  
One expansion slot with multiple configuration options:  
8 switched ports for 10Base-T OR  
2 switched port for 100Base-FX/TX OR  
1 ISDN router (up to 128Kbps)  
NWAY Auto-negotiation for each network port providing  
auto-detection of connected cable type, auto-sensing of full  
or half duplex signaling and auto-configuration.  
Full or half-duplexing.  
Store-and-forward packet switching.  
The IEEE 802.1d Spanning Tree Algorithm for network loop  
detection and prevention and topology re-configuration.  
Native SNMP management support with Ethernet  
MIB II (RFC 1284) and bridge MIB (RFC 1286).  
Dynamic, automatic self-learning network configuration that  
is refreshed every three minutes for maximum performance.  
VLAN support.  
4,096 maximum entries for MAC Address Table.  
One RS-232 port for local/remote Out-of-Band management.  
The EEPROM (flash memory) for firmware upgrade.  
Comprehensive LED display of the system/port status.  
Self-test during power on to ensure system integrity.  
12  
 
Chapter 2 Getting Started  
Cabling Rules and Site Preparation  
Although 100Base-T and 10Base-T are alike in many aspects,  
there are slight differences in the cabling rules. So, spend some  
time in locating and reconfiguring your cabling structure for the  
best network layout.  
The key cabling rules for 100Base-TX are:  
The 100Base-TX specification requires two-pair Category 5  
UTP or two-pair Type 1 STP cable.  
The maximum cable length from an end-station to a hub or  
repeater is 100 meters.  
The maximum number of repeater1 hops allowed is two.  
The maximum network diameter is 210 meters: two  
segments of 100 meters with two repeaters/hubs no farther  
apart than 10 meters are allowed.  
Switches are not considered as a repeater. Therefore, there  
are no limitation to repeater hops or to the network diameter  
distance. However, the maximum cable length from an end-  
station to a switch still remains at 100 meters.  
1
A single or a stacked 100Mbps hub is counted as one repeater. A  
switch is not counted as a repeater, but is treated as an end-station  
when applying the topology rules.  
13  
 
The TE100-S55 fits into the 100Base-T cabling architecture as a  
switch. Therefore, unlimited number of switches may be installed  
in the same network with maximum distances of 100 meters apart.  
The 10/100Mb ports of TE100-S55 require two-pair Cat5 UTP  
(or Type 1 STP) for 100Base-TX connections. For 10Base-T  
connections, two-pair Cat 3, 4 or 5 UTP cables are required.  
Figure Chapter 2 -1, Example of TE100-S55 wiring  
environment  
14  
 
Careful planning and site preparation are the keys to success for  
installing Fast Ethernet switches. Users should perform a  
network bandwidth analysis based on their workgroup network  
traffic needs and examine their workstation equipment for other  
performance bottlenecks.  
Figure Chapter 2 -2, 100Base-T cabling rules  
15  
 
Unpacking and Setup  
Now that you have a good understanding of the basic cabling  
rules, as well as your own network environment, you’re ready to  
integrate the TE100-S55 into the network.  
The following sections describe how to install, connect and setup  
your new TE100-S55 .  
UNPACKING  
The TE100-S55 shipping carton should contain the following  
items:  
1 TE100-S55 unit  
1 AC power cord  
2 Mounting brackets  
1 RS-232 serial cable (6 ft)  
This User’s Guide  
If any item is found missing or damaged, please contact your  
local TRENDware reseller for replacement.  
Figure Chapter 2 -3, Contents of the TE100-S55 Package  
16  
 
THE FRONT PANEL  
The TE100-S55 features following items on its front panel:  
(A) Five RJ-45 ports for 10Base-T or 100Base-TX links  
(B) An expansion slot with multiple configuration options:  
(b1) 8-port 10Base-T Switch  
OR  
(b2) 2-port 100Base-FX/TX Switch OR  
(b3) 1-port ISDN router  
(C) One RS-232, DB9 Out-of-Band management port  
(D) Eight system status LEDs  
(E) Eight system diagnostic LEDs  
(F) Eight system utilization LEDs  
(G) Six status LEDs for each port  
(H) Power Status LED  
Figure Chapter 2 -4, Front panel of the TE100-S55  
17  
 
MOUNTING  
The TE100-S55 can be placed either on a table or rack mounted.  
For rack mounting: First screw the pair of mounting brackets  
(included in the packing carton) onto the switch. Then, mount the  
TE100-S55 onto the rack, as shown below in Figure 2-5.  
Figure Chapter 2 -5, Rack mounting a TE100-S55  
ATTACHING CABLES  
There are five RJ-45 ports on the TE100-S55 for connecting five  
workstations or LAN segments. Each port supports either  
10Base-T or 100Base-TX networks, auto-detecting the type of  
connection. For 100Base-TX connection, two-pair Category 5  
UTP (or Type 1 STP) cabling is required. For the 10Base-T  
connection, two-pair Category 3, 4 or 5 UTP is required.  
18  
 
If you are connecting workstations to the TE100-S55, use a  
standard UTP cable with a straight RJ-45 pin layout. If you are  
connecting hubs, bridges or other switches to the TE100-S55, the  
Transmit (TD) and the Receive (RD) wires must be crossed-over  
at one end of the connector. Please refer to Appendix C, page 47  
for the details of pin layout.  
ADDING OPTIONAL MODULES  
Although the TE100-S55 is equipped with five ports for 10Base-  
T or 100Base-TX connections, it also provides an open slot for  
add-on modules. These modules include an 8-port 10Base-T, a  
100Base-FX/TX port or an ISDN router.  
To install add-on modules, simply unscrew and remove the slot  
cover from the front panel of the TE100-S55. Slide-in and screw  
the add-on module into the open slot of the TE100-S55.  
Afterwards, attach the appropriate LAN or WAN connections to  
each module.  
Please refer to Appendix D~F (page 49-53) for more details on  
each add-on module and its installation process.  
POWER ON  
The TE100-S55 can be used with AC power sources, 90 - 250  
VAC, 50 - 60 Hz. The internal power supply will adjust to the  
local power source automatically.  
You may turn ON the power of the TE100-S55 with or without  
attaching LAN connections to the switch. You should observe  
the LEDs as the Switch is going through the Power-On Self Test  
(POST) sequence. All system Status LEDs should go off, and the  
Power LED should go on, when the POST is successful. The  
corresponding Link LED will be turned on when a LAN segment  
is connected to the port and functioning normally.  
19  
 
SOFTWARE SETUP  
The default settings of TE100-S55 (shown in Appendix A, page  
45) should be sufficient in the majority of installations. If a  
different setting is required for your specific environment, please  
refer to Chapter 3, page 21 for “Out-of-Band Management” or  
Chapter 4, page 35 for “SNMP Management”.  
For simple management, you can perform the Out-of-Band  
Management and access the TE100-S55 through its RS-232 port.  
For elaborate SNMP management, you can run the XPressView  
program from any network station.  
CHECKING STATUS LEDS  
When the power is first turned on, TE100-S55 performs a Power-  
On Self Test (POST). Please observe the status LEDs for  
verification of proper installation (for more detail, refer to  
Chapter 5, page 41). These status LEDs also provide information  
about the system unit and its connected Ethernet or Fast Ethernet  
LAN segments, during normal operation.  
Figure Chapter 2 -6, TE100-S55 status LEDs  
20  
 
Chapter 3 Configuring the  
Switch  
Introduction  
The TE100-S55 is designed to operate with or without the aid of  
extensive network management software. For simple  
management, you can run a terminal emulation program and  
access the TE100-S55 through its RS-232 port. For elaborate  
SNMP management, you can run the XPressView program from  
any network station. Chapter 4 describes the details of how to  
install and utilize the XPressView SNMP Management program.  
Out-of-Band Management is the vehicle to access TE100-S55  
locally or remotely via its RS-232 serial port. Through this port,  
you can set up, monitor or modify the TE100-S55 configuration.  
21  
 
Out-of-Band Management  
ATTACHING TO THE RS-232 PORT  
The TE100-S55 can be configured using the Out-of-Band  
Management function. To begin, you must first connect a PC (or  
a terminal) directly to TE100-S55 using the supplied RS-232  
serial cable.  
The RS-232 port is a DCE with a 9-pin female connector.  
Figure Chapter 3 -1 shows the cable connection to a DTE such  
as a PC running VT100 terminal emulation software or an actual  
VT100 terminal. The switch-to-terminal (DCE/DTE) serial  
communication speed is preset at 19,200 baud.  
Refer to Appendix B for detailed pin specifications of the RS-232  
port.  
Figure Chapter 3 -1, RS-232 connection to a local  
terminal  
22  
 
VT100 TERMINAL  
Once you’ve connected a PC (or terminal) to the RS-232 port of  
the TE100-S55, you can begin the VT100 terminal emulation  
process. The VT100 terminal emulation software can be found in  
Microsoft Windows or any other communication software.  
Table 3-1 describe the necessary settings for your PC or terminal  
connection to TE100-S55.  
Terminal Step  
VT100 Compatible  
terminal  
PCVT100 terminal  
emulation  
Run the VT100 Terminal  
emulation software / This  
software can be found in MS  
Windows (Accessory section )or  
other communication software  
Communication  
software  
Turn on the machine  
and login as VT100  
terminal  
19,200 Baud, 8 N 1  
(hardware setting)  
19,200 Baud, 8 N 1  
(through the Terminal software)  
DCE/DTE line  
setting  
Refer to PC COM port hardware  
and Software setup guidelines  
PC COM port  
hardware  
setting  
N/A  
If your keyboard does not  
Assigning  
N/A  
respond properly within the MS  
Terminal Emulation program, go  
to the Terminal Preference menu  
and Deselect the “Use function,  
arrow, Ctrl keys for Windows”  
option; or refer to specific  
control keys to  
a non-VT100  
system software  
environment  
terminal emulation software  
Table Chapter 3 -1, VT100 Terminal Emulation Settings  
23  
 
Upon a successful execution of terminal emulation, your  
computer will establish communication with the TE100-S55 and  
allow you to view or modify the following settings.  
Control Settings  
System display  
User selection  
Switch Version No.  
Switch IP Address  
Switch Subnet Mask  
Default Gateway  
V1.10 (Fixed)  
Switch  
Configuration  
168.8.xx.xx  
255.255.0.0  
0.0.0.0  
Switch MAC Addr.  
Factory preset (Fixed)  
Save change  
Exit  
F2 key  
F4 key  
Port/x State  
Port Configuration  
Enable (or Disable)  
Port/x Physical  
Auto (or 100/Half, 100/Full,  
10/Half, 10/Full)  
Port/x State  
Block, Learning, Listening,  
Forwarding, Disable (Fixed)  
Port/x Priority  
0 (Hi) - 255 (Low)  
Enable / Disable  
Bridge (switch) Priority  
Root Cost  
Spanning Tree  
Configuration  
Enable (or Disable)  
32768  
(Reflected STA result)  
10 sec. (range: 1 - 10 sec.)  
30 sec. (range: 4 - 30 sec.)  
40 sec. (range: 6 - 40 sec.)  
(MAC addr. of Root Bridge)  
(Reflected STA result)  
Hello Time  
Forward Delay Time  
Max Age Time  
Root Bridge  
Root Port  
Y / N  
Exit  
Space Key (toggle)  
F4 key  
Down-load new  
system firmware  
Y / N  
Exit  
Space Key (toggle)  
F4 key  
Load factory default  
parameters  
Port Number  
Port State  
1 ~ 5  
Filtering Data Base  
Disable (or Forwarding,  
Blocking)  
MAC address  
Up to 16 MAC addresses  
Table Chapter 3 -2, TE100-S55 Settings for Out-of-Band management  
24  
 
USER-SELECTIVE PARAMETERS  
The TE100-S55 is factory set with a unique Ethernet MAC  
address. Except for the MAC address, Version Number and Port  
State, all parameters in Table 3-2 can be modified.  
From the Switch Configuration menu, you can change the IP  
Address of TE100-S55 to match the TCP/IP environment of your  
network. The Gateway Address may also be changed to match  
the Gateway of your network.  
From the Port Configuration menu, you can Enable/Disable each  
port connection , and prioritize them (ranges from 0 to 255). The  
priority level, in conjunction with the preset port ID, is used under  
the Spanning Tree Algorithm to determine the “Root Port”. The  
Port State parameter corresponds to the Enable/Disable port  
settings and the dynamic changes in routing paths of the  
surrounding network. The Port State may show message  
Blocking, Learning, Listening, Forwarding or Disable, at any  
given time.  
The Port Physical setting defaults to AUTO, but you can change  
it to 100Mb half duplex, 100Mb full duplex, 10Mb half duplex, or  
10Mb full duplex mode. Although optional, the AUTO setting is  
recommended since it employs the NWAY Auto-negotiation  
feature of the TE100-S55, automatically detecting and selecting  
the optimum cable speed (10 or 100Mb) and signaling type (full  
or half duplex) for each port. When taking advantage of full  
duplex signaling, the TE100-S55 literally doubles network  
throughput to 200Mbps on Fast Ethernet segments and 20Mbps  
on 10Base-T segments.  
From the Spanning Tree Configuration menu, you can  
Enable/Disable the STA function, change the switch priority and  
various timers. The STA functions and parameters are discussed  
in full detail on page 27.  
25  
 
From the Down-load New System Firmware menu, you can  
upgrade the TE100-S55 with the latest firmware (if revision is  
available). The XMODEM function will guide you in  
downloading the firmware code into the TE100-S55. To acquire  
the revised firmware file, please contact TRENDware technical  
support.  
From the Load Factory Default Parameters menu, you can  
replace all parameter modifications for TE100-S55 with the  
original default settings.  
From the Filtering Data Base menu, you can Disable, Forward or  
Block up to 16 MAC addresses for each port on the TE100-S55.  
This feature allows you to create a virtual LAN, filtering each  
segment for added performance.  
26  
 
Spanning Tree Algorithm  
In a more complex network environment, devices may physically  
be connected in a loop, causing network failure due to the infinite  
transfer of packets. In anticipation of such perplexity, the  
TE100-S55 is designed to support the Spanning Tree Algorithm  
(STA). Using STA, the TE100-S55 will prevent network loops  
by logically designating a single path for each connection, as  
well as establishing a backup path in case of a path failure.  
Specifically, Spanning Tree Algorithm (STA) provides the  
following services:  
Network loop detection and prevention - Only one path is  
allowed between any two switch/bridge segments. If there  
are multiple paths, forwarded packets may loop indefinitely  
and result in serious network failure. When STA detects a  
loop, it activates the path with the lowest “path cost”, while  
blocking the other paths.  
Automatic topology re-configuration - If an active path  
fails, the backup path will be automatically activated, and the  
STA will auto-configure the network topology.  
In a simple network where there is no possibility of network  
looping, you may disable the STA function. However, if the  
possibility of network loops exist, just leave the STA enabled  
along with other switches/bridges in the network. The TE100-  
S55 will interact with other switches/bridges to dynamically  
establish forwarding paths within the network.  
Subsequently, the TE100-S55 may be referred to as a bridge.  
Since a switch is analogous to a bridge, the STA rules of a bridge  
applies equally to the TE100-S55.  
27  
 
You can view or modify the STA parameters through the Out-of-  
Band Management, as shown in Table 3-3. Pay special attention  
to the effects of each STA parameter in order to avoid erroneous  
behavior in the network.  
STA parameters  
Enable/Disable  
Settings  
Effects  
Comment  
Enable /  
Disable  
Participate in or Enable in a SNMP  
remove from  
STA  
network  
lower the #, Increases chance Avoid, if the switch  
Bridge Priority  
higher the  
priority  
of becoming the is used in  
Root Bridge workgroup level of  
a large network  
1 - 10 sec.  
6 - 40 sec.  
No effect, if not Never set greater  
Hello Time  
Root Bridge  
than Max. Age  
Time  
Compete for  
Root Bridge, if  
BPDU is not  
received  
Avoid low number  
for unnecessary  
reset of Root Bridge  
Max. Age Time  
Max. Age ≤ 2 x  
(Forward Delay -  
1)  
4 - 30 sec.  
High # delays  
the change in  
state  
Forward Delay  
Max. Age ≥ 2 x  
(HelloTime + 1)  
Port Level STA parameters  
Enable /  
Disable  
Enable or  
disable this  
LAN segment  
Disable a port for  
security or problem  
isolation  
Enable / Disable  
lower the #, Increases chance  
Port Priority  
higher the  
priority  
of become Root  
Port  
Table Chapter 3 -3, User-selective STA parameters  
28  
 
STA operates at two levels, the Switch and the Port level. In  
addition, STA uses several timers to periodically ensure the  
integrity of switches/bridges and their ports in a network.  
The following paragraphs introduce the key information and  
terminology needed to understand the STA parameters. Please  
note that the word “bridge” now refers to TE100-S55.  
AT THE BRIDGE LEVEL  
Root Bridge: A network must first establish a starting point  
from which all data forwarding path values are calculated,  
compared, and determined. The Root Bridge is the unit with the  
lowest Bridge Identifier1 (Bridge Priority + MAC address).  
Bridge Priority: This is a user changeable parameter. This  
parameter enables all bridges in the network to establish a Root  
Bridge. A change to the Bridge Priority may cause the network to  
re-establish a new Root Bridge. A high Bridge Priority increases  
the chance for a bridge to be selected as the Root Bridge (the  
smaller the number, the higher the priority).  
Root Path Cost: From each bridge, Root Path Cost is the total  
Path Cost of reaching the Root Bridge from a Designated Bridge.  
A Root Bridge has Root Path Cost of 0.  
Designated Bridge: From each LAN segment, the bridge that  
has the lowest Root Path Cost to the Root Bridge becomes the  
Designated Bridge. It forwards data packets for that LAN  
segment. In case all bridges on a segment have the same Root  
Path Cost, the bridge with the lowest Bridge Identifier becomes  
the Designated Bridge.  
1 The bridge MAC address is only used to decide the Root Bridge when  
there are 2 or more bridges with the same Bridge Priority.  
29  
 
AT THE PORT LEVEL  
Designated Port: This is the port on each Designated Bridge that  
forwards data packets for the attached LAN segment.  
Root Port: Each bridge has a Root Port that has the lowest Path  
Cost to the Root Bridge. In case there are several ports with the  
same Path Cost, the one with the lowest Port Identifier (Port  
Priority + pre-assigned Port ID) becomes the Root Port1.  
Port Priority: This is a user changeable parameter for each port  
on the bridge. In conjunction with a pre-set port ID, this  
parameter determines the Root Port of a Bridge.  
Path Cost: This parameter is fixed2 and will not be shown. The  
100Mb segments will have auto-assigned Path Cost of 10, while  
the 10Mb segments will have auto-assigned Path Cost of 100.  
1
In a bridge, a port is Blocked, if it is not a Root or a Designated Port.  
2
This is a changeable parameter, based on the STA specification.  
However, it is fixed by the TE100-S55 implementation.  
30  
 
TIMERS  
Max. Age Time: This is a user changeable parameter. Should a  
Bridge fail to receive an identifier packet from its Root Bridge  
within this time limit, it assumes that the Root Bridge has failed.  
Therefore, a new Root Bridge will be established for the network.  
Hello Time: This is a user changeable parameter. Should a  
Bridge be assigned as a Root Bridge, the Hello Time setting will  
be used as the interval to send out identifier packets to notify  
other Bridges of its existence. The Hello Time must be less than  
the Max. Age Time, or else a configuration error will occur.  
Forward Delay: This is a user changeable parameter. This is the  
delay time that each port on a Bridge waits in the Listening state  
before changing its Blocking state to the Forwarding state.  
31  
 
ILLUSTRATION OF STA  
A simple illustration of three Bridges (or TE100-S55) connected  
in a loop is depicted in Figure 3-2. In this example, you can  
anticipate some major network problems if the STA assistance is  
not applied. For instance, if Bridge 1 broadcasts a packet to  
Bridge 2, Bridge 2 will broadcast it to Bridge 3, and Bridge 3  
will broadcast it to Bridge 1...and so on. The broadcast packet  
will be passed indefinitely in a loop, causing a serious network  
failure.  
To alleviate network loop problems, STA can be applied as  
shown in Figure Chapter 3 -3. In this example, STA breaks the  
loop by blocking the connection between Bridge 1 and 2. The  
decision to block a particular connection is based on the STA  
calculation of the most current Bridge and Port settings. Now, if  
Bridge 1 broadcasts a packet to Bridge 3, then Bridge 3 will  
broadcast it to Bridge 2 and the broadcast will end there.  
STA setup can be somewhat complex. Therefore, you are advised  
to keep the default factory settings and STA will automatically  
assign root bridges/ports and block loop connections. However,  
if you need to customize the STA parameters, refer to Table 3-3  
on page 28.  
32  
 
LAN 1  
Path Cost = 100  
Port 1  
Bridge ID = 21  
Bridge 1  
Port 2  
Path Cost = 100  
Port 1  
Path Cost = 100  
Bridge 3  
Bridge ID = 15  
LAN 2  
Port 2  
Path Cost = 100  
Port 1  
Path Cost = 100  
Bridge 2  
Bridge ID = 30  
Port 2  
Path Cost = 100  
LAN 3  
LAN 1  
Figure Chapter 3 -2, Before Applying the  
STA Rules  
Root Port  
Port 1  
Root Path Cost = 100  
Bridge ID = 21  
Bridge 1  
Port 2  
Designated Port  
Designated Port  
Port 1  
Root Path Cost=0  
Bridge ID = 15  
Bridge 3  
Port 2  
LAN 2  
Block Path  
Port 1  
Designated Port  
Bridge 2  
Root Path Cost = 100  
Bridge ID = 30  
Port 2  
Root Port  
LAN 3  
Figure Chapter 3 -3, After Applying the STA Rules  
33  
 
34  
 
Chapter 4 SNMP Management  
For basic setup of the TE100-S55, use the out-of-band  
management functions as described in Chapter 3. However, for a  
user-friendly graphic interface to your TE100-S55 setup, you can  
use the XPressView SNMP Management program.  
The XPressView program permits you to view or modify the  
TE100-S55 configuration and its network activities. Specifically,  
it allows you to do the following management functions:  
Enable/Disable each Port State.  
View the Switch Configuration.  
Modify the parameters for Spanning Tree Algorithm.  
Monitor the incoming and outgoing network traffic.  
35  
 
Installing XPressView  
Installing the XPressView SNMP Management program is easy to  
do and only takes a few minutes. The supplied SETUP program  
guides you through the process.  
WHAT YOU NEED  
To use XPressView, your computer must have the following:  
386, 486 or Pentium  
2 megabytes minimum  
10 megabytes minimum  
3.1, 3.11 or Win95  
Processor:  
RAM:  
Disk Space:  
Windows:  
TCP/IP  
Winsock interface  
(It is recommended to set the IP address  
at 168.8.xx.xx, similar to the TE100-  
S55 IP address)  
1.44 Floppy  
VGA  
Drive:  
Display:  
TO INSTALL XPRESSVIEW  
Run Windows and close all programs that are active.  
Insert the supplied XPressView diskette into your floppy  
drive.  
From Windows Program Manager or Explorer, click the  
floppy drive that contains XPressView, and click the SETUP  
command. The setup screen will appear. Accept or modify  
the Destination Directory and click NEXT.  
The XPressView program icon will automatically be added to  
your Windows start screen.  
36  
 
Starting XPressView  
After you install the XPressView program, you are ready to begin  
SNMP management of your TE100-S55.  
From Windows start screen, click the XPressView icon. The  
Welcome screen will appear.  
START FROM SCRATCH  
If this is your first time to run the XPressView program, you will  
need to create an environment that represents the TE100-S55.  
Click the AUTO DISCOVERY icon.  
Enter the range of IP addresses to  
search and XPressView will auto-detect all of the TE100-S55  
switches in your network.  
**As an option, you can click the DEVICE icon and  
manually type each IP address of your TE100-S55.  
For future use, save this environment by going to the  
NETWORK menu and clicking the SAVE command.  
NOTE: Each switch must have a unique IP address in order to  
communicate with the network manager. The factory default IP  
address of each TE100-S55 is 168.8.xxx.xxx. The last two bytes  
of the IP address are identical to the last two bytes of the MAC  
address, which is displayed on the back of each TE100-S55. The  
MAC address can also be referenced through out-of-band  
management (see chapter 3, page 24).  
37  
 
OPEN AN EXISTING ENVIRONMENT  
To open an existing environment, go to the NETWORK menu  
and click the OPEN command. Choose the appropriate file name  
and click the OK command. Your screen will display the list of  
TE100-S55 icons and will allow management of these devices.  
Operating XPressView  
Once you create or open an environment, you are ready to view  
or modify the TE100-S55 configuration and its network activities.  
SELECT A DEVICE  
From the main screen, click the TE100-S55  
icon and the management menu will appear.  
From the management menu, choose a port by clicking the port-  
icon. Afterwards, choose the management function by clicking  
one of the management-icon:  
View/Modify the Switch Configuration.  
Modify the parameters for Spanning Tree Algorithm.  
Monitor the incoming and outgoing network traffic.  
38  
 
VIEW/MODIFY SWITCH CONFIGURATION  
If you click a port and then click the “Switch Configuration” icon,  
the following screen will appear, allowing you to Enable or  
Disable the selected port.  
However, if you click the “Switch Configuration” icon without  
clicking a port, the following screen will appear allowing you to  
view the IP, Subnet mask and MAC addresses.  
MODIFY THE SPANNING TREE ALGORITHM  
If you click a port and then click the “STA” icon, the Port STA  
screen will appear, allowing you to modify the port priority.  
However, if you click the “STA” icon without clicking a port, the  
following screen will appear, allowing you to modify the Bridge  
Priority, Max, Hello and Forward parameters.  
39  
 
MONITOR NETWORK TRAFFIC  
When you click the “Monitor Network Traffic” icon, a query  
control screen will appear, allowing you to choose the type of  
packets to monitor. Click the packet types from the OID List, and  
then click one of the Display types (text or graphic).  
Display in TEXT format  
Display in GRAPHIC format  
40  
 
Chapter 5 Diagnostics  
Power-On Self Test  
A Power-On Self Test (POST) sequence takes place when the  
TE100-S55 is first turned on (cold boot). Software reset (warm  
boot) through the RS-232 port does not prevent unauthorized  
remote re-boots.  
The POST sequence checks the system integrity by performing  
the following tests:  
System boot  
RAM test  
Timer and interrupt controller tests  
Cache controller test  
RS-232 diagnostic port test  
BIOS test  
EEPROM checksum test  
Program load checksum test  
Ethernet ports test  
Besides the Power On/Off LED, there are eight system Status  
LEDs used to display the results of these tests during the POST  
sequence. The LED status further display test results in two  
categories, the System test and the Port test. Any errors from the  
System tests means that the Switch failed to function. Any  
error(s) from the Port test effects that individual port and the  
remaining ports will be operational.  
41  
 
System Status LEDs  
TE100-S55 is equipped with eight Status LEDs which reflect the  
Power-On Self Test results. If there is a system error, the Status  
LED light will be ON and the LEDs -will display the  
error code.  
Although some errors may be resolved easily, some errors may  
require that the unit be returned to TRENDware reseller for  
repair.  
System error LED  
Error  
Status  
Action  
Off -ꢃꢄꢅ ꢆꢇꢈꢉꢊ  
On - ꢋꢀꢌ ꢍꢁꢎꢏꢂ  
No error  
Normal  
ꢃꢄꢅ ꢆꢇꢈꢉꢊ  
ꢃꢀꢅ ꢆꢇꢈꢉꢂ  
ꢃꢀꢅ ꢆꢇꢈꢏꢊ  
ꢃꢀꢅ ꢆꢇꢈꢏꢂ  
ꢃꢀꢅ ꢆꢇꢎꢉꢊ  
ꢃꢀꢅ ꢆꢇꢎꢉꢂ  
ꢃꢀꢅ ꢆꢇꢎꢏꢊ  
ꢃꢀꢅ ꢆꢇꢎꢏꢂ  
ꢃꢀꢅ ꢆꢁꢈꢉꢊ  
ꢃꢀꢅ ꢆꢁꢈꢉꢂ  
Record LED error code and  
ontact technical support  
Record LED error code and  
return the unit.  
Record LED error code and  
return the unit.  
Record LED error code and  
return the unit.  
Record LED error code and  
return the unit.  
Boot  
RAM  
Interrupt  
controller  
Timer  
controller  
Cache  
controller  
Record LED error code and  
return the unit.  
RS-232 port  
Record LED error code and  
ontact technical support  
Record LED error code and  
ontact technical support  
Record LED error code and  
ontact technical support  
BIOS  
EEPROM  
Program  
down-load  
Port error LED  
Port 1 - 5  
error (s)  
The system board is OK; the  
eported port(s) is disabled.  
ꢋꢄꢅ ꢍꢁꢎꢏꢂ  
ꢐꢐꢐꢐꢐ  
LED is  
1
2 3 4 5  
Record LED status and  
ontact technical support.  
port position  
reserved.  
42  
 
System Diagnostic LEDs  
TE100-S55 is equipped with eight Diagnostic LEDs which reflect  
status of add-on modules. The details of LEDs will be supplied  
with each optional module package and will not be covered in this  
manual.  
System Utilization LEDs  
TE100-S55 is equipped with eight Utilization LEDs which reflect  
the LAN’s percentage of utilization. This is a measure of the  
traffic on the network.  
The LEDs - indicates a low traffic on the network, while the  
LEDs -indicates a high traffic on the network. As the LEDs  
increase in number, the network administrator should consider  
optimizing the network for reduced traffic.  
43  
 
Port Status LEDs  
TE100-S55 is equipped with six Status LEDs which reflect the  
status of each port.  
As you connect a network cable to the TE100-S55, it will auto-  
detect the type of cable and the corresponding 10/100 LED will  
light up. Likewise, depending on the port connection, the  
DUPLEX LED will light up to indicate its status of full or half  
duplex signaling.  
When a port connection is active, the LINK LED will light up to  
indicate its operative state. Also, as activities occur on the  
network, the RX or TX LED will light up to indicate its  
transmission or reception of data.  
When multiple packets are delivered at the same time, a collision  
will occur and the COL LED will light up. Although collisions  
are normal, if there’s too much, you should consider rearranging  
the workgroups or optimize the network for reduced traffic.  
Port LED Status  
Port State  
Action  
On  
100Mbps  
10 Mbps  
10/100  
Off  
On  
Full Duplex  
Half Duplex  
Duplex  
Off  
On  
Port Connection Normal  
Port Connection Inactive  
Link  
Check connections on  
this cable segment  
Off  
Off  
No packet traffic  
TD or RD Active  
Heavy packet traffic  
Tx or RX  
Col  
Blinking  
On  
Check if consistently  
heavy  
Off  
No collision  
Normal  
Normal  
Blinking  
Collision Active  
Jabber, serious problem  
On  
Check this segment  
44  
 
Appendices  
Appendix A Switch Default setting  
Parameter  
Default  
Enable  
Range  
Data type  
Spanning Tree State  
Bridge Priority  
Hello Time  
Enable/Disable  
0 - 65535  
Integer  
32768  
1 - 10 sec.  
6 - 40 sec.  
5 - 30 sec.  
0 - 10 ∧ 6  
Integer  
Integer  
Integer  
Integer  
10 sec.  
Max Age Time  
Forward Delay Time  
Aging Time  
40 sec.  
5 sec.  
300 sec.  
168.8.xx.xx  
255.255.0.0  
0.0.0.0  
IP Address  
Subnet Mask  
Gateway Address  
MAC Address  
Port State  
0080C8xxx  
Enable  
Auto  
Port Physical  
Port(s) Priority  
0 - 255  
Integer  
128  
Filtering Data Base  
(Port State)  
Disable  
Forwarding  
Blocking  
Disable  
Note: Bold type face indicates user-selective parameters.  
The TE100-S55 default parameter settings  
45  
 
Appendix B RS-232 Pin Specification  
The RS-232 serial port of the TE100-S55 uses a 9-pin female  
connector. The port can be connected to a PC emulating a VT100  
terminal or an actual VT100 terminal.  
For a local connection, the table below shows the pin layout of a  
9 to 9-pin or a 9 to 25-pin cable connection between the  
TE100-S55 and the management terminal.  
TE100-S55 (DCE)  
Signal name  
Terminal (DTE)  
Pin  
for 9-pin for 25-pin Signal  
name  
number  
1
2
3
4
not used  
1
2
3
4
-
3
not used  
RD  
transmit (TD)  
Receive (RD)  
2
TD  
Data Carrier Detect  
(DCD)  
20  
DTR  
5
6
signal ground (SG)  
5
6
7
8
SG  
Data Terminal Ready  
(DTR)  
DCD  
7
8
9
clear to send (CTS)  
request to send (RTS)  
not used  
7
8
9
4
5
-
RTS  
CTS  
not used  
The TE100-S55 to Terminal RS-232 pin connections  
46  
 
Appendix C RJ-45 Pin Specification  
When connecting the TE100-S55 to another switch, bridge or a  
hub, a modified cross-over cable is necessary. Please review  
these products for matching cable pin assignments.  
The following diagram and tables show the standard RJ-45  
receptacle/connector and their pin assignments for the switch-to-  
network adapter card connection and the cross-over cable for the  
switch-to-switch/hub/bridge connection.  
The standard RJ-45 receptacle/connector  
47  
 
Contact  
Media Direct Interface Signal  
1
2
3
4
5
6
7
8
TD + (transmission)  
TD - (transmission)  
RD + (reception)  
not used  
not used  
RD - (reception)  
not used  
not used  
The Standard Category 3 cable, RJ-45 pin assignment  
1 TD +  
2 TD -  
1 TD +  
2 TD -  
3 RD +  
6 RD -  
3 RD +  
6 RD -  
4 TD +  
5 TD -  
4 TD +  
5 TD -  
7 RD +  
8 RD -  
7 RD +  
8 RD -  
The pin assignment for Category 5, 4-pair cross-over cable  
48  
 
Appendix D 10Base-T Module  
The 10Base-T specification is the most popular cabling scheme  
for conventional 10Mb Ethernet networks and is used in over  
70% of LANs worldwide.  
Although the TE100-S55 is equipped with five ports for 10Base-  
T connections, it also provides an open slot for an optional 8-port  
10Base-T module.  
The 10Base-T module uses inexpensive two-pair Category 3, 4 or  
5 UTP cable. It services distance of up to 100 meters and  
supports full or half-duplexing.  
How to Install the 10Base-T module  
Unscrew and remove the cover slot from the front panel of  
the TE100-S55.  
Slide-in and securely screw the 10Base-T module into the  
open slot of the TE100-S55.  
Attach the UTP cable into the RJ-45 connectors of the  
10Base-T module.  
49  
 
Appendix E 100Base-FX/TX Module  
The physical specification for Fast Ethernet cabling comes in  
three different flavors. These include 100Base-TX (2-pair over  
Cat 5 UTP), 100Base-T4 (4-pair over Cat 3 UTP), and 100Base-  
FX (2 fiber connections).  
The 100Base-TX specification is the most popular cabling  
scheme for Fast Ethernet networks. Since it requires a UTP cable  
similar to 10Base-T, installation and configuration of 100Base-  
TX cabling is easy and cost-effective.  
In contrast, the 100Base-FX specification requires the fiber optic  
cabling which is more expensive than the conventional UTP  
cabling. However, it has a definite appeal to widespread LANs  
where cost of wiring is less important than the distance it delivers  
to Ethernet LANs--400 meters for half-duplex segments and 2  
kilometers for full-duplex segments.  
For flexibility, the TE100-S55 provides an 100Base-FX/TX  
module that’s equipped with both Fiber Optic and UTP ports. It  
permit the users to choose the necessary cabling type that fits their  
individual needs.  
The 100Base-TX port requires two-pair Category 5 UTP cable or  
two-pair Type 1 STP cable. It services distance of up to 100  
meters and supports full or half-duplexing. The 100Base-FX port  
requires one pair of 62.5/125 micron fiber-optic cable. It services  
distance of up to 400 meters and supports full or half-duplex  
operation. It is an ideal solution for backbone connections.  
Although the 100Base-FX/TX module is equipped with two  
ports (MIC and UTP connectors), please keep in mind that  
only one port may be used at a time.  
How to Install the 100Base-FX/TX module  
50  
 
Unscrew and remove the cover slot from the front panel of  
the TE100-S55.  
Slide-in and securely screw the 100Base-FX/TX module into  
the open slot of the TE100-S55.  
Attach either the Fiber Optic cable or Cat 5 UTP cable to the  
100Base-FX/TX module. Although this module is equipped  
with two ports, only one port may be used at one time.  
51  
 
Appendix F ISDN Module  
An Integrated Services Digital Network (ISDN) is one of the  
most rapidly expanding technologies for transmitting data and  
voice over wide area networks (WANs). The popularity of ISDN  
is due to its high-speed WAN connections at low cost, enabling  
greater productivity not only for home office workers or internet  
users, but also for corporate branch offices and remote sites.  
In comparison, ISDN can transfer data more than four times as  
fast as a cutting-edge 28.8 Kbps modem. In its simplest form,  
ISDN offers the Basic Rate Interface (BRI), which has two  
64Kbps B channels and a single 16Kbps D channel. The B  
channels can be combined, making the maximum transmission  
rate of 128Kbps. Furthermore, data compression enables an  
ISDN link to achieve up to 512Kbps transmission speeds.  
ISDN provides high-speed remote access that is ideal for  
applications where analog connections are too slow and T1  
connections are too expensive.  
The ISDN Router module for the TE100-S55 is an excellent  
solution for connecting individuals or offices to headquarters or to  
the internet/intranet. It offers the equivalent bandwidth and  
reliability of leased lines at a significantly lower cost.  
The ISDN Router module uses a single ISDN BRI capable of  
sending data over one B channel for data rates of 64Kbps or use  
both B channels for data rates of up to 128Kbps. Optional data  
compression can boost throughput up to 4-to-1 (512Kbps),  
depending on the data being transferred.  
How to Install the ISDN module  
52  
 
Unscrew and remove the sot cover from the front panel of the  
TE100-S55.  
Slide-in and securely screw the ISDN module into the open  
slot of the TE100-S55.  
Attach the ISDN phone line into the RJ-11 port of the ISDN  
module.  
53  
 
Appendix G Hardware Specifications  
SWITCH SPECIFICATION  
Complies to IEEE 802.3 CSMA/CD 10Base-T, 100Base-TX,  
100Base-FX Ethernet Standards  
Complies to IEEE 802.1d Spanning Tree, IEEE 802.2 LLC,  
and ISO 8807-3 standards  
Switched IEEE 802.3 MAC layer frame size: 64-1518  
NWAY Auto-negotiation for each network port providing  
auto-detection of connected cable type, auto-sensing of full  
or half duplex signaling and auto-configuration  
Store-and-forward packet switching  
Native SNMP management support with Ethernet  
MIB II (RFC 1284) and bridge MIB (RFC 1286)  
VLAN support  
4,096 maximum entries for MAC Address Table  
Comprehensive LED display of the system/port status  
128KB EEPROM (flash memory) for firmware upgrade  
One RS-232D (DB-9) port for Out-of-Band management  
(asynchronous, 8-bit data, 1 stop bit, no parity, 19.2K baud)  
Rack mountable (Fits standard 2U EIA 19” rack)  
Five 10/100Mbps LAN ports built-in  
Optional slot for add-on modules  
PORT SPECIFICATION  
54  
 
5 x 10/100Mbps LAN ports (fixed)  
Five RJ-45 ports for Cat 3, 4 or 5 UTP cable  
10 or 100Mbps data transfer rate  
Full or half duplexing  
NWAY Auto-negotiation  
8 x 10Mbps LAN ports (optional module)  
Eight RJ-45 ports for Cat 3, 4 or 5 UTP cable  
10Mbps data transfer rate  
Full or half duplexing  
NWAY Auto-negotiation  
1 x 100Base-FX/TX LAN port (optional module)  
One MIC port for 62.5/125 microns multimode fiber optic  
One RJ-45 ports for Cat 5 UTP or STP cable  
100Mbps data transfer rate  
Full or half duplexing  
NWAY Auto-negotiation  
1 x ISDN WAN port (optional module)  
One RJ-11 port for ISDN phone line  
Up to 128K baud rate (two 64Kbps channels)  
PHYSICAL CHARACTERISTICS  
Operating temperature:  
Humidity:  
Input power:  
Power consumption:  
Emission:  
0 - 50 degrees Celsius  
5% - 95% non-condensing  
90 - 250 VAC, 50 - 60 Hz auto-select  
20 watts maximum  
FCC Class A, CE mark  
UL, CSA  
Safety:  
Ventilation:  
Dimension:  
Weight:  
2 built-in DC fans  
17.36 in (w), 2.85 in (h), 9.37 in (d)  
8 lb.  
Warranty:  
One year parts and labor  
55  
 
INDEX  
100Base-T .......................................................................See Fast Ethernet  
Adding Optional Modules...................................................................... 19  
Add-on modules ..................................................................................... 11  
100Base-FX/TX Module.................................................................. 50  
10Base-T Module............................................................................. 49  
ISDN Module................................................................................... 52  
Attaching Cables .................................................................................... 18  
Attaching to the RS-232 Port ................................................................. 22  
Bridge Priority................................................................................ 28, 29  
Cabling rules for 100Base-TX................................................................ 13  
Checking Status LEDs............................................................................ 20  
CSMA/CD.................................................................................. 7, 8, 9, 54  
TE100-S55 ................................................................................ 10, 11, 12  
Designated Bridge................................................................................. 29  
Designated Port .................................................................................... 30  
Down-load New System Firmware ........................................................ 26  
Ethernet................................................................................................... 8  
XPressView ..............................................................16, 20, 21, 35, 36, 37  
Fast Ethernet .................................................................7, 8, 9, 10, 11, 50  
Filtering Data Base................................................................................. 26  
Forward Delay................................................................................ 28, 31  
Front Panel ......................................................................17, 19, 49, 51, 53  
Gateway Address............................................................................ 24, 25  
Hardware Specifications......................................................................... 54  
Hello Time................................................................................. 24, 28, 31  
Installing XPressView............................................................................ 36  
IEEE 802.1D .................................................................................... 12, 54  
IP Address............................................................................24, 25, 36, 37  
ISDN ...............................................................................10, 11, 12, 17, 52  
LEDs ...................................................................17, 19, 20, 41, 42, 43, 44  
Load Factory Default Parameters........................................................... 26  
Max. Age Time................................................................................ 28, 31  
56  
 
Modify the Spanning Tree Algorithm .................................................... 39  
Monitor Network Traffic........................................................................ 40  
NWAY Auto-negotiation ..................................................... 10, 12, 25, 54  
Operating XPressView........................................................................... 38  
Out-of-Band Management.................12, 17, 20, 21, 22, 24, 28, 35, 38, 54  
Path Cost............................................................................. 27, 29, 30, 45  
Port Configuration.................................................................................. 25  
Port Physical setting........................................................................ 25, 45  
Port Priority.............................................................................. 28, 30, 39  
Port State........................................................................24, 25, 35, 44, 45  
Port Status LEDs .................................................................................... 44  
POST.......................................................................................... 19, 20, 41  
Power ON............................................................................................... 19  
Power-On Self Test .................................................................... See POST  
Priority level........................................................................................... 25  
Rack mounting ....................................................................................... 18  
RJ-45 Pin Specification.......................................................................... 47  
Root Bridge....................................................................24, 28, 29, 30, 31  
Root Path Cost...................................................................................... 29  
Root Port............................................................................. 24, 25, 28, 30  
RS-232 Pin Specification ....................................................................... 46  
Service and support................................................................................ 3  
SNMP Management ......................................12, 16, 20, 21, 35, 36, 37, 54  
Spanning Tree Algorithm..........................................12, 25, 27, 35, 38, 39  
STA parameters.......................................................................... 28, 29, 32  
Starting XPressView .............................................................................. 37  
Switch Configuration ......................................................24, 25, 35, 38, 39  
Switch Default setting ............................................................................ 45  
Switching Technology.............................................................................. 8  
System Diagnostics LEDs...................................................................... 43  
System Status LEDs............................................................................... 42  
System Utilization LEDs........................................................................ 43  
Terminal emulation .............................................................. 21, 22, 23, 24  
Unpacking .............................................................................................. 16  
VT100 Terminal......................................................................... 22, 23, 46  
57  
 

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