ADS Environmental Services ADS TRITON+ QR 775027 A3 - Manual (Page 312)

Modbus 9-7
XBUS
CABLE GLAND
RS-232 CABLE
Running RS-232 cable through left cable gland in XBUS
2. (applicable only when using a custom cable or after removing
a DB-9 connector from a pre-fabricated cable) Strip and
separate the wires from the cable and attach/re-attach the DB-9
connector to the cable based on the pin-out referenced in the
following table:
Pin Name Direction Notes
1 DCD Input
2 RX Output
3 TX Input
4 DTR Input
5 GND
6 DSR Internally connected to RTS and CTS
7 RTS Internally connected to DSR and CTS