Specifications

Crestron CNXRMC Room Solution Box
Operations Guide – DOC. 8162A Room Solution Box: CNXRMC • 25
Typical Connection Diagram when Upgrading Firmware
STCP-502 Interface Cable Wiring Diagram
1. Apply power to the CNXRMC either via Cresnet, with no control
system on the network, or directly via a Crestron power supply.
2. Establish communication between the PC and the CNXRMC by
performing steps 1 through 3 of the procedures given in
“Communication Settings” which begins on page 21.
3. As shown after this step, select File Transfer | Update Control
System from the Viewport menu.
File Transfer | Update Control System Command
4. To upload new firmware, select the file with the “t” suffix (e.g.,
“51263t.upz) as shown in the illustration on the next page.