Honeywell IQ8Control C Installation Instruction page 85

Assignment of terminal card RS232 module
not used
1
TxD (transmitt)
2
RxD (receive)
3
4 not used
5 not used
not used
6
Data GND (potential free)
7
not used
8
Fig. 75: Assignment of terminal card RS232 module
Max. cable length for RS 232 is 15 m, recommended cable: I-Y (St) Y x 2 x 0.8mm
Assignment for terminal card TTY module
Tx -
1
2 not used
not used
3
Tx +
4
5
not used
6
Rx +
not used
7
Rx -
8
Fig. 76: Assignment for terminal card TTY module
If solder jumper BR3 is closed on the module, TTY interface may not be used.
Max. cable length for TTY is 1000 m, recommended cable: I-Y (St) Y x 2 x 0.8mm
FB 798951.GB0 / 01.09
Fire Alarm Control Panel IQ8Control C/M
external device
RxD
TxD
Data
GND
external device
transmitt Rx -
transmitt
Rx +
receive
Tx +
Tx -
receive
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