Instruction manual

ATLAS 800 Series System Manual Quad E1/PRA Option Module

Alarm Status

Read security: 5

Displays any active alarms, as follows:

Prt Indicates the port number. The Quad E1/PRA Option Module is a single-port

device.

Alarms Displays the alarm type, as listed below.

Alarm Types Description

LOS

(Loss of Signal) No signal detected on port interface.

LOF

(Loss of Framing) The receiver is unable to synchronize to the Frame

Alignment Signal (FAS) framing pattern of the received signal.

LOMF

(Loss of Multi-frame) The receiver is unable to synchronize to the TS15

multi-frame pattern of the received signal.

CRC4

(Loss of CRC-4 Framing) The receiver is unable to synchronize to the CRC-4

frame pattern of the received signal.

AIS

(Alarm Indication Signal) An upstream failure has been detected and all ones

are being received.

REM

(Remote Frame Alarm) Loss of frame alarm being received from far end.

REMMF

(Remote Multi-Frame Alarm) Loss of multi-frame alarm being received from

far end.