Nortel AccessNode 2016 - Page 131

Maintenance
5-15
User Guide Rel 1.0 Standard May 1999
Table 5-2 lists the connector description of J1 through J20 located on the
environmental control unit.
Table 5-2
Connector Description J1 through J20
Connector Designation Pin Number Pin Description
J1 1
2
3
4
5
6
7
8
9
10
System Alarm
System Alarm
High Temperature Alarm
High Temperature Alarm
Intrusion Alarm
Intrusion Alarm
Not Used
Not Used
Not Used
Not Used
J3 1
2
3
4
5
6
7
8
Door Switch
Door Switch
Momentary Switch
Momentary Switch
Switch Common
Switch Common
Switch Common
Switch Common
J5 1
2
Speaker Negative
Speaker Positive
J7 1
2
3
4
Thermistor 1
Thermistor 2
Thermistor Common
Thermistor Common
J9 1
2
3
External Reset
External Reset
Not Used
J2 1
2
3
4
Ground
-48 Vdc
Tachometer
Control
J6 1
2
3
4
Ground
-48 Vdc
Tachometer
Control
—continued—