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APS-8M Asynchronous Port Switch; User’s Guide
4. Use your communication program’s (e.g. HyperTerminal’s) upload
function to transfer the upgrade firmware to the 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 APS-8M will prompt the user to continue
the upgrade or abort.
a) Upgrade: To continue with the upgrade, type 1 and press [Enter].
APS-8M 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 APS-8M
until the RDY indicator blinks to indicate the process is complete.
Note: Do not turn off power to the APS-8M unit while the upgrade is
in process.
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 APS-8M 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 APS-8M 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.