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11 CONNECTORS’ DESCRIPTION
11.1 SHDSL connector
Type: RJ-11, 4 pin
Pin Signal Description
1 NC –
2 LA,a SHDSL pair, tip
3 LA,b SHDSL pair, ring
4 NC –
11.2 Monitor connector
Type: Sub-D9, female
DB9
female
1
5
6
9
Pin Signal Description Note
1 NC –
2 TXD Transmit data
3 RXD Receive data
4 ALACOM Common contact of Alarm Relay For Mini-Rack units
5 SGND Signal ground
6 DA_NC Urgent-Alarm contact, normally closed For Mini-Rack units
7 DA_NO Urgent-Alarm contact, normally open For Mini-Rack units
8 ND_NC Non Urgent-Alarm contact, normally closed For Mini-Rack units
Version: 1.0 Page. 84 of 95