ADS Environmental Services ADS TRITON+ QR 775027 A3 User Manual
Page 313

9-8
ADS TRITON+ Manual
Pin
Name
Direction
Notes
8
CTS
Internally connected to DSR and RTS
9
RI
Unused
Pin-out for RS-232 Modbus port on the ExPAC
Note: A logic high is required on either DCD or DTR to
enable communications.
3. Insert the DB-9 connector from the cable into the RS-232 port
on the top of the ExPAC.
ExPAC
RS-232 TERMINAL
PORT
RS-232 terminal connector on ExPAC
4. (applicable only when the ExPAC is housed within an XBUS or
other enclosure) Gently pull on the cable from the outside of
the enclosure to remove any excess cabling inside the
enclosure. Hand-tighten the plastic nut on the cable gland
(when applicable) to secure the cable and prevent moisture or
debris from entering the inside of the enclosure through the
cable entry point. Then, close and secure the door to the
enclosure.