3Com Router Module Guide
Chapter 4
4-30
Attribute
Description
Number of connectors
2
Interface standard
G.703, G.704, G.751
Interface rate
34.368 Mbps
Cable type
E3 cable (75-ohm coaxial cable)
Operating mode
E3
CE3
Supported service
E3 leased line
4.6.3 Panel and Interface LEDs
The following figure illustrates an ROUTER 1-PORT CE3 FIC panel.
Figure 4-30
ROUTER 1-PORT CE3 FIC panel
The following table describes the LEDs on the card panel.
Table 4-16
LEDs on the ROUTER 1-PORT CE3 FIC panel
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; blinking means
data is being transmitted and/or received.
4.6.4 Interface Cable
The external interface provided by the ROUTER 1-PORT CE3 FIC uses two SMB
sockets respectively for data transmitting (Tx) and data receiving (Rx). The interface
transmits in 75-ohm unbalanced mode and uses a pair of 75-ohm unbalanced coaxial
cables to connect another device.