Interlogix D1000 Series - Manual (Page 6)

Duplex multimode
fiber optic cable
Power from
R3 backplane
To D1010
D2100 series module
RS422 Output
-Data
+Data
-Data
+Data
}
RS422 Input
}
}
C-1232 REV
RS232 Out
Signal Ground
RS232 Input
7
6
5
4
3
2
1
B
A
C
Data Transmit
Data Receive
LED illuminates
Power
D10XX__
RS232/
RS422
TRANSCEIVER
ifs
RECEIVE
TRANSMIT
POWER
A
B
C