3Com MSR 30, MSR 20, MSR 50 manual LEDs on the FIC-IMA-4T1/FIC-IMA-8T1 panel

216CHAPTER 4: FLEXIBLE INTERFACE CARDS

Figure 264 FIC-IMA-8T1 panel

The following table describes the LEDs on the FIC-IMA-4T1/FIC-IMA-8T1 panel:

Table 160 LEDs on the FIC-IMA-4T1/FIC-IMA-8T1 panel

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

Interface Cable The FIC-IMA-4T1/FIC-IMA-8T1 card provides four/eight T1 ports and uses a 4T1/8T1 conversion cable for connection. At one end of the cable is a DB-68 connector for connecting the router and at the other end are four/eight RJ-45 connectors for connecting other devices.

The following figure illustrates an 8T1 conversion cable.

Figure 265 8T1 conversion cable

Connecting the Interface Step 1: Insert the DB-68 connector of the 4T1/8T1 conversion cable to the DB-68 Cable port on the FIC-IMA-4T1/FIC-IMA-8T1 card.

Step 2: Connect one RJ-45 connector at the other end of the cable to the peer device to be connected.

Step 3: Power on the router. Check the behavior of the LINK LED on the card

panel: OFF means the line has problem. Check the line status in this case.