Alarm In Connector; Alarm Out Connector - Paradyne 8820 Installation Manual

Alarm In Connector

The ALARM IN connector (8820-S1-905) supports two alarm-in circuits.

Alarm Out Connector

The ALARM connector (8820-S1-902) or ALARM OUT connector (8820-S1-905)
consists of two sets of dry contact closures on an 8-pin jack. The Alarm leads
report major and minor alarms to a CO alarm system. The following table lists the
pin assignments for the 8-pin jack.
8820-A2-GN20-80
Pin Number Use
1 Alarm Sense 1 +
2 Alarm Sense 1 –
3 Reserved
4 Reserved
5 Reserved
6 Reserved
7 Alarm Sense 2 +
8 Alarm Sense 2 –
Pin Number Use
1 Not Connected
2 Closed on Major Alarm
(Normally Open)
3 Common on Major Alarm
4 Open on Major Alarm
(Normally Closed)
5 Closed on Minor Alarm
(Normally Open)
6 Common on Minor Alarm
7 Open on Minor Alarm
(Normally Closed)
8 Not Connected
November 2004
A. Pinouts
Pin 8
Pin 1
97-15449
A-3