User Guide

CNX Card Cage System Crestron CNRACKX
20 •• CNX Card Cage System: CNRACKX Operations Guide - DOC. 8133
7. Select the appropriate connection type (RS-232 for a PC connection
through the COMPUTER port of the CNRACKX or CNXCPU or
TCP/IP through the Ethernet via the optional LAN/DPA port). Verify
that the proper COM port is selected. Set the baud rate to 38400, the
parity to none, the data bits to 8, and the stop bits to 1. Refer to the
dialog box shown on the next page for the remaining settings. Click on
the OK button to save the settings and close the dialog box.
“Port Settings” Dialog Box
8. Select Diagnostics | Check Operating System Version (alternatively,
depress F5) from the Viewport. The viewport may display a window as
it scans various baud rates. Eventually, a message should appear in the
Incoming section showing a version number. Such a response indicates
that communications have been established. If a “No Communications
with Rack” error message appears, proceed to “Troubleshooting
Communications” below. If the baud rate of the CNRACKX was
something other than 38400, then the software automatically adjusts the
baud rate to 38400.
Troubleshooting Communications
NOTE: This section covers troubleshooting communications of the CNRACKX via
RS-232 to the COMPUTER port. For troubleshooting Ethernet communications of
the CNRACKX with the optional CNXENET Expansion Card, refer to the
CNXENET Operations & Installation Guide (latest revision of Doc. 8129) for further
information.