3Com MSR 30, MSR 20, MSR 50 manual Following table describes the LEDs on the MIM-1VE1 panel

MIM-1VE1 Module 123

Table 82 Interface attributes of MIM-1VE1

Attribute	Description
Number of connectors	1
Operating mode	CE1
	ISDN PRI
	R2
Interface rate	2.048 Mbps
Cable	E1 120-ohm balanced twisted pair cable
	75-ohm-to-120-ohm adapter (with BNC
	connector)
Supported service	1)	R2 signaling
	2)	DSS1 signaling
	3)	IP Fax
	4)	General VoIP features in Comware

Interface LEDs MIM-1VE1 panel is shown in the following figure:

Figure 139 MIM-1VE1 panel

The following table describes the LEDs on the MIM-1VE1 panel:

Table 83 Description of the LEDs on the MIM-1VE1 panel

LED	Description
LINK	OFF means no link is present;
	ON means a link is present.
ACT	OFF means no data is being transmitted
	and received.
	ON means data is being transmitted and
	received.

n The MIM-1VE1 module is 1U in height, occupying two slots.

Interface Cable MIM-1VE1 interface cables are G.703-compliant 120-ohm balanced twisted pair cables. At one end of the cable is a DB-15 male connector for the connection to the Router, and at the other end is an RJ-45 connector for the connection to the network.