3Com MSR 20, MSR 30, MSR 50 LEDs on the FIC-1CT3 panel, Interface attributes of the FIC-4BSE

FIC-4BSE 181

Figure 223 FIC-1CT3 panel

The following table describes the LEDs on the card panel.

Table 125 LEDs on the FIC-1CT3 panel

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.
Note:

AIS = Alarm indication signal; LFA = loss of frame alignment; RAI = Remote alarm indication

Interface Cable Refer to “FIC-1CE3” on page 178.

The interface cable for the FIC-1CT3 is the same as that for the FIC-1CE3 and is connected in the same way.

FIC-4BSE

Introduction FIC-4BSE, the four-port ISDN BRI interface card, transmits, receives, and processes four channels of ISDN BRI S/T data traffic on ISDN BRI S/T interfaces.

The FIC-4BSE differs from the FIC-4BS only in the way they set matched resistance for an ISDN BRI S/T interface: the FIC-4BS uses jumpers while the FIC-4BSE uses DIP switches.

The FIC-4BSE can work in dial mode or leased line mode.

Interface Attributes The following table describes the interface attributes of the FIC-4BSE.

Table 126 Interface attributes of the FIC-4BSE

Attribute	Description
Connector	RJ-45
Number of connectors	4