3Com Switch LANplex 2500 User Manual

100BASE-FX FAST ETHERNET  
R
MODULE INSTALLATION GUIDE  
For the LANplex 2500  
Module Description This module contains one (1) Fast Ethernet 100BASE-FX port that uses an  
FDDI (SC) connector, providing a 100Mbps Fast Ethernet connection over  
fiber. This module is fully compliant with all IEEE 802.3u specifications.  
For a description of how to configure this module into your network, refer  
to the LANplex documentation set.  
The 100BASE-FX Fast Ethernet module requires revision 7.0 or later of  
LANplex system software and revision 3.02 or later of system diagnostics. A  
system software revision supporting this module is available from the 3Com  
BBS, the Internet FTP site (3Com.ftp.com), or 3ComForum on CompuServe.  
CAUTION: You must install revision 7.0 or later of LANplex system software  
before you insert the 100BASE-FX module. Inserting the module when the  
correct software is not running causes continuous system resets.  
100BASE FX  
Port Status  
Active  
Error  
Board  
Error  
Status LEDs The option module contains one Board Error LED, one port status Active  
LED, and one port status Error LED. Depending on the condition, the port  
status LED is either Active (green) or Error (yellow). See the table below for  
a description of the status LEDs.  
.
LEDs  
Name  
Color  
Description  
Module Board Error Yellow Indicates that either an error has occurred or the  
Status  
option module has failed a diagnostic procedure  
Indicates that the associated port is active  
Port  
Status  
Active  
Error  
Green  
Yellow Indicates that an error condition has occurred with  
the associated port or that the port was disabled  
from the Administration Console  
 
WARNINGI:f the system is powered on when you are installing the module,  
do not insert any metal objects into the open slot (for example, a screwdriver  
or a finger with jewelry). This could cause burns or other bodily harm.  
3 Place the module between the guides of the selected slot and slide the  
module into the chassis. See the figure below.  
ERROR  
Fan  
PCMCIA  
R
LANplex 2500  
Power  
Run  
Processor Power  
Config  
Inserted  
Temp  
100 Base FX  
Port Status  
Active  
Error  
Board  
Error  
100BASE-FX  
option module  
Captive screw  
4 To seat the module, firmly push the module forward to engage the module  
and backplane connectors. You will feel a slight resistance as the connectors  
engage.  
CAUTION: If the resistance is too great, the module and backplane  
connectors may not be aligned. Forcing the module forward could damage  
the board or backplane connectors. If necessary, remove and reinsert the  
module, ensuring that the connectors are properly aligned. You should not  
have to seat the module by tightening the captive screws.  
5 Tighten the captive screws to secure the module in the chassis.  
Once the module is installed, see Chapter 4: Cabling the System in your  
Getting Started guide for information on cabling your module to the  
network.  
Read if adding or You can add or replace a module while the system is powered on.  
replacing a module  
To replace a module: 1) disconnect the cable from the module’s port(s) 2)  
loosen the two captive screws securing the module to the chassis and 3)  
pull the module out of the chassis.  
 
ERROR  
Fan  
PCMCIA  
R
LANplex 2500  
Power  
Run  
Processor Power  
Config  
Inserted  
Temp  
Green  
Yellow  
=
=
Active  
Error  
Inserted  
Green  
Yellow  
=
=
Active  
Error  
Port Status  
Port Status  
Active  
Error  
Board  
Error  
Active  
Error  
1
2
Board Error  
1
2
3
4
5
6
7
8
Green  
Yellow  
=
=
Active  
Error  
Port Status  
100 Base FX  
Port Status  
Active  
Active  
Error  
Board  
Error  
Board  
Error  
Error  
100BASE-FX  
option module  
Captive screw  
Male SC  
connector  
The LANplex system will automatically reset when a module has been  
installed with the power on.  
If you physically change the configuration of the system after defining an IP  
interface, the port designated for that interface may no longer be valid. You  
may have to redefine the interface. For information on defining an IP  
interface, see the Administration Console User Guide for your LANplex  
system.  
Option Module Module diagnostics run at power up or when replacing a module with the  
Diagnostics power on. During diagnostics, the module’s port status Error LED is lit  
yellow. When diagnostics are successfully completed, the port status Active  
LED turns green. If the port status Error LED remains yellow, the port is not  
operational. If the module’s Board Error LED is lit yellow, the module has  
failed a diagnostic test. To troubleshoot module failures, see Chapter 7:  
Troubleshooting the System in your Getting Started guide.  
3Com Corporation  
© 3Com Corporation, 1996. All rights reserved. No part of this documentation may be reproduced in any form  
or by any means or used to make any derivative work (such as translation, transformation, or adaptation)  
without permission from 3Com Corporation.  
5400 Bayfront Plaza  
Santa Clara, California  
95052-8154  
3Com Corporation reserves the right to revise this documentation and to make changes in content from time  
to time without obligation on the part of 3Com Corporation to provide notification of such revision or change.  
3Com Corporation provides this documentation without warranty of any kind, either implied or expressed,  
including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.  
3Com may make improvements or changes in the product(s) and/or the program(s) described in this  
documentation at any time.  
3Com and LANplex are registered trademarks of 3Com Corporation. 3Com registered trademarks are registered  
in the United States, and may or may not be registered in other countries. Other brand and product names  
may be registered trademarks or trademarks of their respective holders.  
Part No. 801-00304-000  
Published March1996  
Revision 01  
 

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