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3Com Router 5000 and Router 6000 v2.41
Module Guide
Chapter 4 Flexible Interface Cards (Router 6000)
4-11
4.4.5 Connecting the Interface Optic Fiber
Caution:
In connecting the optical fiber, observe the following:
Do not over-bend the optical fiber. Its curvature radius must be no less than 10 cm (3.9
in).
Ensure that the Tx and Rx ends are correctly connected.
Ensure that the fiber ends are clean.
Warning:
Laser danger: Invisible laser radiation may be emitted from the fiber-optic ports which
are connected with lasers. To protect your eyes against radiation harm, never stare
into an open fiber-optic port.
Step 1: Insert the SFP module into its corresponding slot.
Step 2: Locate the Rx and Tx ports of the GE interface. Connect them to another
device with two optical fibers: Rx to Tx and Tx to Rx.
Step 3: Power on the router and check the status of the LINK LED on the card panel.
ON means an Rx link is present and OFF means the opposite. In the latter case, check
the line status.
status.
4.5 1-Port GEF FIC
4.5.1 Introduction
1-Port GEF FIC, the 1-port/2-port 1000Base-SX/1000Base-LX GE fiber interface card,
is used for router-to-LAN communication.
The cards support:
z Five types of 1000Base-SX/1000Base-LX SFP modules: multi-mode short-haul
(850 nm), single-mode medium-haul (1310 nm), single-mode long-haul (1310
nm), single mode long-haul (1550 nm), and single-mode ultra-long haul (1550
nm)
z Operation at 1000 Mbps