Crestron
C2COM-2/3
2-Series RS-232/422/485 Expansion Cards
For more information, refer to the latest release of the SIMPL Windows help.
Example Program
An example program for the C2COM-2/3 is available from the Crestron FTP site
(
ftp://ftp.crestron.com/Examples/
). Search for the file C2COM-2&3.ZIP that
contains the example program, associated files and a README.TXT file that
describes the program.
Problem Solving
Troubleshooting
The table below provides corrective action for possible trouble situations. If further
assistance is required, please contact a Crestron customer service representative.
C2COM-2/3 Toubleshooting
TROUBLE
POSSIBLE CAUSE(S)
CORRECTIVE ACTION
Control system is not
receiving power.
Verify power to the control system.
Circuit card is not properly
seated in slot.
Verify C2COM-2/3 is properly inserted
into control system slot per procedures in
this guide.
Cable from C2COM-2/3 to
controlled equipment is
incorrect.
Verify wiring. Connect only the required
pins for each communication type.
Incorrect serial port
settings.
Verify the communication parameters
assigned in the "Device Settings" window
as described in the Programming
section.
C2COM-2/3
does not
function.
Programming error.
Check SIMPL Windows program.
Framing Error or
Parity Error
Cable noise* or improper
comm settings in program.
Verify communication settings (Serial
Settings tab) and wiring.
Overrun Error or
RX Buffer full
C2COM-3 is receiving data
at a higher rate than the
program can process.
Enable hardware or software
handshaking in communication settings
(Serial Settings tab) and in device.
TX Buffer Full C2COM-2/3 is sending
large quantities of data in
excess of the device baud
rate or handshaking is
enabled and the receiving
end is preventing the
system from transmitting.
Change program to reduce serial data to
device or use a higher baud rate if device
can support the higher rate.
Controlled
device does not
respond
Cable/Wiring problems
Confirm and/or check the cable pinouts
using the Crestron Cable Database
software or refer to the user manual for
the controlled device.
*Cable noise can be caused by high frequency interference, etc.
Operations & Installation Guide - Doc. 8192
2-Series RS-232/422/485 Expansion Cards: C2COM-2/3
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