3Com MSR 20, MSR 30, MSR 50 manual Following table describes the LEDs on the MIM-2VT1 panel

	MIM-2VT1 Module 121
Table 80 Interface attributes of MIM-2VT1
Attribute	Description
Interface standard	G.703/T1.102
	G.704
	AT&T TR 54016
	AT&T TR 62411
	ANSI T1.403
Interface rate	1.544 Mbps
Cable type	T1 cable (100-ohm standard shielded
	cable)
Operation mode	CT1
	ISDN PRI
Services	Backup
	Terminal access
	ISDN

Interface LEDs MIM-2VT1 panel is shown in the following figure:

Figure 137 MIM-2VT1 panel

The following table describes the LEDs on the MIM-2VT1 panel:

Table 81 Description of the LEDs on the MIM-2VT1 panel

LED	Description
LINK	ON means carrier signal is received;
	OFF means no carrier signal is received.
ACT	OFF: No data is being received and
	transmitted;
	Blinking: Data is being received and
	transmitted.

n The MIM-2VT1 module is 1U in height, occupying two slots.

Interface Cable The interface cable of MIM-2VT1 is a standard 100-ohm standard shielding cable. The connectors on the two ends use RJ 45. The following figure illustrates this type of cable.