Honeywell CGW-MB Installation And User Manual page 149

ESSER Panels
• Connecting to Panel's TTY Port
Using an RS-232 cable, you can connect to the RS-232 port on the panel's serial
interface.
IQ8 Panel
Serial
Interface
SEI2
CGW-MB Installation and Users' Manual | P/N:LS10248-000HW-E | REV.G | JUL/31/2022
Upto 1000 m
TxD + B
TxD - A
RxD + B
RxD - A
EARTH
GND
+UB
RxD +
RxD -
Tx
Rx +
Rx
Rx -
GND
Tx -
EARTH
VCC -
Tx +
VCC +
* The connection can also be to 485B_IN + and 485B_IN -.
Connecting to the Panels
Upto 15 m
Rx
Tx
GND
24 V
GND
485A_IN+*
485A_IN -*
148