3Com MSR 20, MSR 30, MSR 50 manual Description of the LEDs on FIC-1VE1 panel

	FIC-1VE1 205
Table 150 Description of the LEDs on FIC-1VE1 panel
LED	Description
ACTIVE	OFF means no data is being transmitted or
	received.

Blinking means there is data being transmitted or received.

Interface Cable FIC-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.

Figure 251 E1 120-ohm balanced twisted pair cable

If the cable with the resistance of 75-ohm is needed, a 75-ohm-to-120-ohm cable adapter (one end is BNC connector and the other end is RJ-45 connector) which is illustrated in the following figure can be installed.

Figure 252 75-ohm-to-120-ohm adapter (with BNC connector)

c CAUTION:

■For the convenience of extending the connection of E1 120-ohm balanced twisted pair cable, you can use network interface connector.

■E1 120-ohm balanced twisted pair cable, network interface connector,

75-ohm-to-120-ohm adapter are optional accessories. Please select one when purchasing a FIC-1VE1 module; by default, they are not provided.