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3Com Router 5000 and Router 6000 v2.41
Module Guide
Chapter 3
Multifunctional Interface Modules (Router 5000)
3-45
Attribute Description
Interface standard
G.703/T1.102
G.704
AT&T TR 54016
AT&T TR 62411
ANSI T1.403
Interface rate 1.544Mbps
Cable type T1 cable (100-ohm shielding network cable)
Operating mode
CT1, ISDN PRI (Router 2-Port CT1/PRI MIMmodule)
FT1 ( module)
Services supported
1) Backup
2) Terminal access service
3) ISDN PRI (Router 2-Port CT1/PRI MIMmodule)
3.10.3 Interface LEDs
The panel is similar to that of the MIM, and they differ only in silk-screen.
Figure 3-50 2T1/2T1-F panel
Table 3-27 Description of the LEDs
LED Description
LINK/ACT
ON means the carrier signal has been received.
OFF means no carrier signal has been received.
Blinking means data is being transmitted or/and received.
LP/AL
ON means the interface is in a loopback.
Blinking means an AIS, LFA, or RAI alarm signal is present.
OFF means no loopback or alarm is present.