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3Com Router 5000 and Router 6000 v2.41
Module Guide
Chapter 4 Flexible Interface Cards (Router 6000)
4-3
example, PC or router) to a HUB or LAN switch. The cables delivered with the
router are straight-through cables.
z Crossover cable: The wires are crimped in the RJ-45 connectors at both ends in
different orders. The cable is used for connecting two terminal devices (for
example, PC and router). You can make cables as needed.
Note:
In making network cables, shielded cables are preferred for electromagnetic
compatibility sake.
The interface cables in the standard package of Router 2-Port 10/100 cards are
straight-through cables.
4.1.5 Connecting the Interface Cable
Step 1: Plug one end of the cable to an Ethernet port on the router and another end to
the device to be connected. (For a PC or router, use a straight-through cable; for a
HUB or LAN switch, use a crossover cable.)
Step 2: Power on the router and check the on the FIC-FE panel: ON means that a link
is present and OFF means that no link is present. In the latter case, check the line
status.
Caution:
Before you connect a port, read its label carefully; a wrong connection can cause damages to the
interface card and even the device.
4.2 Router 1-Port 100FX MM FIC/100FX SM FIC
4.2.1 Introduction
Router 1-Port 100FX MM FIC/100FX SM FIC Ethernet multi-mode fiber interface card,
provides one 100 Mbps Ethernet multi-mode fiber interface.
Router 1-Port 100FX MM FIC/100FX SM FIC Ethernet single-mode fiber interface
card, provides one 100 Mbps Ethernet single mode fiber interface.
The use of optical fibers allows the Router 1-Port 100FX MM FIC/100FX SM FIC to
provide high reliability and good transmission quality for the router-to-LAN
communication. The interface can work in megabit full duplex mode.