User’s Manual
82
Appendix D — Connector Pin Outs
Alarm I/O Connector and RS485 Connector Pin Outs
Pin Number
Pin Assignment
Pin Number
Pin Assignment
1
RS485 RX-/TX-
14
RS485 RX+/TX+
2
Alarm Output 3
15
Alarm Output 2
3
Alarm Output 1
16
Alarm Output 4
4
Alarm Reset
17
Ground
5
Alarm Input 16
18
Alarm Input 15
6
Alarm Input 14
19
Alarm Input 13
7
Alarm Input 12
20
Alarm Input 11
8
Alarm Input 10
21
Alarm Input 9
9
Ground
22
Alarm Input 8
10
Alarm Input 7
23
Alarm Input 6
11
Alarm Input 5
24
Alarm Input 4
12
Alarm Input 3
25
Alarm Input 2
13
Alarm Input 1
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