Nortel AccessNode 2016 User Manual page 131

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
J1
J3
J5
J7
J9
J2
J6
Pin Number
1
2
3 High Temperature Alarm
4 High Temperature Alarm
5
6
7
8
9
10
1
2
3
4
5
6
7
8
1
2
1
2
3 Thermistor Common
4 Thermistor Common
1
2
3
1
2
3
4
1
2
3
4
—continued—
User Guide
Maintenance 5-15
Pin Description
System Alarm
System Alarm
Intrusion Alarm
Intrusion Alarm
Not Used
Not Used
Not Used
Not Used
Door Switch
Door Switch
Momentary Switch
Momentary Switch
Switch Common
Switch Common
Switch Common
Switch Common
Speaker Negative
Speaker Positive
Thermistor 1
Thermistor 2
External Reset
External Reset
Not Used
Ground
-48 Vdc
Tachometer
Control
Ground
-48 Vdc
Tachometer
Control
Rel 1.0 Standard May 1999