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PSA:
I upgraded a IP500v2 with 3 DS30B expansion modules and the control unit upgraded fine.
The expansion however did not. They would briefly appear in SSA and disconnect.
They were caught an endless loop.
Turns out the customer network was blocking TFTP and the expansions attempted to upgrade but would never complete.
Even if directly connected to attempt to recover fails.
This procedure resolved the issue.
Plug in USB to Serial adaptor
Check the Window’s Device Manager and verify USB to Serial cable port number.
Connect using Putty and configure the serial connection port and baud rate. (38400, 8, 1, N)
Boot expansion module and press escape until you get an "OK" response.
AT
OK
AT-X
Note: connect your laptop direct to the IP Office with Manager open and TFTP/BootP enabled under preferences.
After initiating the AT-X command you should see the module take the upgrade and come up.
I upgraded a IP500v2 with 3 DS30B expansion modules and the control unit upgraded fine.
The expansion however did not. They would briefly appear in SSA and disconnect.
They were caught an endless loop.
Turns out the customer network was blocking TFTP and the expansions attempted to upgrade but would never complete.
Even if directly connected to attempt to recover fails.
This procedure resolved the issue.
Plug in USB to Serial adaptor
Check the Window’s Device Manager and verify USB to Serial cable port number.
Connect using Putty and configure the serial connection port and baud rate. (38400, 8, 1, N)
Boot expansion module and press escape until you get an "OK" response.
AT
OK
AT-X
Note: connect your laptop direct to the IP Office with Manager open and TFTP/BootP enabled under preferences.
After initiating the AT-X command you should see the module take the upgrade and come up.