3Com LANplex 2500 specifications 100BASE-FX Fast Ethernet

100BASE-FX FAST ETHERNET

RMODULE 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.

Board Error

100BASE FX Port Status

Active

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.

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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
Port	Active	Green	Indicates that the associated port is active
Status	Error	Yellow	Indicates that an error condition has occurred with
			the associated port or that the port was disabled
			from the Administration Console