GE Panametrics GF868 Programming Manual page 107

April 2004
Wiring the System
(cont.)
6-8
Note: The XMT+ terminal on the barrier strip is the screw opposite
the red wire connection and the XMT– terminal on the barrier
strip is the screw opposite the green wire connection.
3. Reinstall the clear plastic shroud (for units so equipped), close the
cover to the electronics console and reconnect the main power.
The RS485 serial interface is now ready for multi-point operation.
However, the installed version of the Model GF868 software must
support RS485 operation for the interface to work properly. If
necessary, contact the factory for information about a software
upgrade.
Serial Communications