Honeywell ESSER IQ8Control C Installation Instruction page 88

Fire Alarm Control Panel IQ8Control C / M
Tx -
1
not used
2
not used
3
Tx +
4
not used
5
Rx +
6
not used
7
Rx -
8
Fig. 79: 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 0.8 mm
Observe permitted torque (max. 0.4 Nm) of the terminals!
8.3.2 Technical data interface modules
RS 232/TTY module (Part No. 784842)
Operating voltage
Quiescent current
Interface type
Transmission speed
Interface cable length
88
external device
Rx -
transmitt
transmitt
Rx +
receive Tx +
Tx -
receive
: Internal via the power supply module, + 5 V DC / +12 V DC
: TTY-mode approx. 55 mA @ 12 V DC
RS232-mode approx. 35 mA @ 12 V DC
: TTY (20mA) or RS232
selectable in panels date configuration
: max. 19200 bit/s
: TTY  max. 1000 m
RS 232  max. 15 m
FB 798951.10.GB0 / 04.15