Changes

     <li>Unscrew the two hex bolts and remove the back panel.<br>[[File:Networking_trb145_manual_powering_options_rs485_unscrew_hex_bolts.png|300px]]</li>

     <li>Unscrew the two hex bolts and remove the back panel.<br>[[File:Networking_trb145_manual_powering_options_rs485_unscrew_hex_bolts.png|300px]]</li>

     <li>Remove the PCB board from the case.</li>

     <li>Remove the PCB board from the case.</li>

     <li>Place a resistor between the "RS PWR ENABLE" pins (marked 1 & 2 in the figure below) on the PCB board:<br>[[File:Networking_trb145_manual_powering_options_rs485.png|400px]]</li>

     <li>Solder a 0 Ohm resistor or 2 pin header with jumper between the "RS PWR ENABLE" pins (marked 1 & 2 in the figure below) on the PCB board:<br>[[File:Networking_trb145_manual_powering_options_rs485.png|400px]]</li>

     <li>Connect pins 3 (GND) and 6 (PWR) to a 9-30 VDC power supply.<br>[[File:Networking_trb145_manual_powering_options_rs485_connector_pinout.png]]</li>

     <li>Connect pins 3 (GND) and 6 (PWR) to a 9-30 VDC power supply.<br>[[File:Networking_trb145_manual_powering_options_rs485_connector_pinout.png]]</li>

     <li>If the PWR LED lights up, the device was successfully powered over the RS485 connector.</li>

     <li>If the PWR LED lights up, the device was successfully powered over the RS485 connector.</li>