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Crestron CEN-COM Ethernet RS-232/422 COM Module

Refer to the table after this paragraph for examples of valid commands.

Valid “port” Commands

COMMAND DESCRIPTION

port<CR> Shows specs for both COM ports.

port 1,9600,N81<CR>

Sets COM A to 9600, no parity, no

handshake, no pacing, and mode is NONE.

port 1,NONE,RS232,9600,N81,pacing 0<CR>

Sets COM A to 9600, no parity, no

handshake, no pacing, and mode is NONE.

port 2,CIP,RS422,19200,E71<CR>

Sets COM B to 19200, RS-422 type, even

parity, 7 bits, 1 stop, and accepts CIP

commands only.

port 1, DISABLE<CR> Disables COM A.

version

Entering the “version” command provides the firmware version currently running

within the connected CEN-COM.

ping

Enter the “ping” command followed by an IP address to verify that the connected

CEN-COM can successfully communicate packets via the Ethernet port.

reboot

Entering the “reboot” command permits the user to perform the software equivalent

of cycling power to the connected CEN-COM. This is used to allow changes in the

settings to take effect.

system

CAUTION: Avoid losing or disconnecting power while a system upgrade is in

progress. Doing so can result in complete loss of system firmware.

Entering the “system” command while using the 1K-xmodem permits the user to

upgrade the firmware residing in the connected CEN-COM. Avoid losing or

disconnecting power while the flash is being reprogrammed. Burn in takes

approximately one minute. After burn in, the CEN-COM reboots. The following

procedure provides the details of this command.

1 Type system and depress ENTER.

2 Viewport responds with “Start XMODEM xmit now” on one line and

proceeds to display one “C” after another.

3 While the Cs are appearing, select General File Transfer |

XModem1K Upload from the File Transfer command.

4 From the “Open” window, browse and highlight the upload file (*.bin).

Click on OK.

Operations Guide - DOC. 5719 Ethernet RS-232/422 COM Module: CEN-COM • 11

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