Technical Guide

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2.5 Alarm I/O Interface (A3)
Male Alarm Connector used to transfer to Fire
Department Control Box
Female Alarm Connector (A3) on BDA
BDA Interface & Connections
Pin Number Definition Wire Color on Cable
1 VSWR (NO) black
2 VSWR (COM) red
3 VSWR (NC) white
4 SUM (NO) green
5 SUM (COM) orange
6 SUM (NC) blue
7 NC yellow
8 NA NA
9 NA NA
10 NA NA
11 NA NA
12 NA NA