3Com Router Module Guide
Chapter 4
4-40
The following figure illustrates the ROUTER 1-PORT OC-3 ATM SML FIC panel.
Figure 4-38
ROUTER 1-PORT OC-3 ATM SML FIC panel
The following table describes the LEDs on the card panels.
Table 4-24
LEDs on the ATM card panels
LED
Description
LINK
OFF means no link is present; ON means a link is present.
ACT
OFF means no data is being transmitted or received on the interface and blinking means
data is being transmitted and/or received.
4.10.4 Interface Optical Fiber
The ROUTER 1-PORT OC-3 ATM MM FIC uses multi-mode optical fiber and the
ROUTER 1-PORT OC-3 ATM SM FIC/ROUTER 1-PORT OC-3 ATM SML FIC uses
single-mode optical fiber. As they all use SC-type fiber-optic connectors, the
connectors of the optical fibers must also be SC-type connectors. You are available
with several cable length options. For more information, refer to the section
“Connecting the Interface Optical Fiber”.
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.