user manual
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Honeywell Manuals
DVR
DVR HRXD9
141
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148
149
150
Connector Pin Outs
144
RS485 Connector Pin Outs
Master Unit
Slave Unit
+
!
To
!
TX+
–
!
To
!
TX–
+
!
To
!
RX+
–
!
To
!
RX–
1
...
...
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143
144
145
146
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156
