Note: When the upgrade is performed via the Network Port, the CMS will not default the IP Address, Subnet Mask, or Gateway Address. This allows the telnet connection to be re-established after the upgrade procedure is complete.

c.Abort Upload: To cancel the upgrade and return to the command prompt, type 3 and press [Enter].

4.Use your communication program’s (e.g. ProComm’s) upload function to transfer the upgrade firmware to the CMS unit. Select ASCII file format, and then specify the filename and directory location where the firmware upgrade file resides.

Note: The Upload function will time-out after one minute of inactivity. If the function times out, type 1 and press [Enter] to continue, or press [Esc] to abort.

5.If the upload is successful, the CMS will prompt the user to continue the upgrade or abort.

. Upgrade: To continue with the upgrade, type 1 and press [Enter]. CMS will erase the previous firmware, move new firmware from data flash to program flash memory, calculate and store the new checksum, and reboot. Do not attempt to reconnect to the CMS until the RDY indicator blinks to indicate the process is complete.

b.Abort: To abort the procedure, type 2 and press [Enter].

6.Incomplete Upload: If the upload is interrupted, times-out, or if the file is corrupted during transfer, the CMS will display a screen which asks for user confirmation before proceeding. To proceed, type 1 and press [Enter], then return to Step 4 above.

7.Emergency Recovery: In the rare event that the CMS operating system becomes corrupted during installation, front panel indicators will blink five times and the unit will automatically switch to Emergency Recovery Mode. Please contact WTI Customer Service for further instructions.

When firmware upgrades are available, WTI will provide the necessary files via modem or mailed diskette. At that time, an updated Users Guide or addendum will also be available.

10. Command Reference Guide

10.1. Command Conventions

The commands described in this section conform to the following conventions:

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Western Telematic CMS-16 manual Command Reference Guide, Command Conventions