3Com Router Module Guide
Chapter 4
4-27
Table 4-13
Interface attributes of the cards
Attribute
Description
Connector
RJ-45
Number of connectors
1
2
4
Interface standard
G.703/T1 102, G.704
Interface rate
1.544 Mbps
Cable type
T1 cable (100-ohm straight-through shielded cable)
Operating mode
CT1, ISDN PRI (only supported by the cards)
FT1 (only supported by the cards)
Supported service
Backup
Leased line
ISDN PRI (only supported by the cards)
4.5.3 Panel and Interface LEDs
The following figure illustrates the panel.
Figure 4-27
ROUTER 4-PORT FRACTIONAL T1 FIC panel
The following table describes the LEDs on the card panels.
Table 4-14
LEDs on the panels
LED
Description
LINK
OFF means no link is present; ON means a link is present.
ACTIVE
OFF means no data is being transmitted or received on the interface; blinking
means data is being transmitted and/or received.