Siemens ET1 Series Technical Information PDF herunterladen (Seite 24)

INSTALLATION

2-16

Object name Available

Message

Description

SYSTEM SYNC E1 trunk is synchronized with remote system

NO CARRIER

No signal detected on E1 interface

FAS LOSS

Loss of frame alignment. This indicates E1 link

error and is reported when trunk card received

incorrect Frame Alignment Signal.

CAS LOSS

Failed to synchronize with remote system on

signaling (time slot 16) channel under CAS mode.

This indicates an error on E1 link.

SYNC =

CRC LOSS

CRC error detected on received data. This will

only occur when CRC option is enabled. When

CRC LOSS occurs, E1 link could still work with

lower accuracy, depend on the real error rate.

Follow recovered clock from E1.

‘CONFIG E1’->‘CLK SEL’->‘E1’

INT

Generate timing clock with internal oscillator.

‘CONFIG E1’->‘CLK SEL’->‘INT’

CLK SEL

EXT

Follow external clock from EXT CLOCK

connector

‘CONFIG E1’->‘CLK SEL’->‘EXT’

CRC4 function enabled

‘CONFIG E1’->’CRC’->’ON’

OFF

CRC4 function disabled

‘CONFIG E1’->’CRC’->’OFF’

CRC Set

AUTO

CRC4 semi-auto function enabled

‘CONFIG E1’->’CRC’->’AUTO’

NONE

‘CONFIG E1’->’Alarm Gen’->’None’

AIS

‘CONFIG E1’->’Alarm Gen’->’AIS’

Alarm Gen

Remote Alarm

‘CONFIG E1’->’Alarm Gen’->’RALM’

NONE

‘CONFIG E1’->’E BIT’->’None’E Bit

Auto

‘CONFIG E1’->’E BIT’->’Auto’

CCS

‘CONFIG E1’->’Tx Mode’->’CCS’ (PCM31)Tx Mode

CAS

‘CONFIG E1’->’Tx Mode’->’CAS’ CM30)

CCS

‘CONFIG E1’->’Rx Mode’->’CCS’ (PCM31)

Rx Mode

CAS

‘CONFIG E1’->’Rx Mode’->’CAS’ CM30)

Table 2-6 STATUS group function

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