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Operation
Active Firmware Revision: 02.01.00
Standby Firmware Revision:01.00.00
Standby Firmware Status:
Download Mode:
[1] SWITCH TO STANDBY FIRMWARE NOW
[2] DISABLE ALL DOWNLOADS
[3] ENABLE DOWNLOADS AND STORE ZIPPED
[4] ENABLE DOWNLOADS, UNZIP AND EXECUTE
[0] RETURN TO PREVIOUS MENU
Select: [ ]
Figure 3-27
The Firmware Download screen contains four lines of read-only information display, and five
command selections. The following information is displayed:
Active Firmware Revision – displays the version and revision number of firmware that is currently
operating in the DSU
Standby Firmware Revision – displays the version and revision number of inactive firmware that
the DSU has stored in zipped (compressed) format
Standby Firmware Status – displays one of seven status indications:
Invalid- Blank – new DSU with no standby firmware loaded
Valid- OK – standby firmware loaded and ready for use
Invalid- Checksum Failed – standby firmware corrupted during download
Invalid- Download Aborted – download aborted in progress by SCM
Invalid- Unzip Failed – problem occurred during unzip of standby firmware
Downloading – transfer currently taking place
Calculating Checksum – approximately 40 seconds following completion of transfer
Download Mode – displays the DSU's selected response to a download of new firmware; see the
command selections below for the potential modes.
The five command selections are
[1] Switch to Standby Firmware Now – commands the DSU to unzip (decompress) the stored,
inactive firmware and place it into service as the current operating firmware; at the same time
the DSU zips and stores the firmware that it had been operating with
076R155-000
Issue 7
FIRMWARE DOWNLOAD SCREEN
VALID- OK
ENABLE DOWNLOADS, UNZIP AND EXECUTE
Firmware Download Screen
SpectraComm 553 Fractional T1 DSU
Installation and Operation Manual
Terminal Interface
3-31
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