AT&T SB67060 T1 Installation Guide Page 173

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Troubleshooting 172
Synapse Installation Guide
System Upgrade
Symptom Probable Cause Corrective Action System Upgrade
A Synapse device becomes
sluggish or unresponsive
during or immediately after
software upgrade.
Cannot connect to AT&T
server or the device
encountered an unexpected
problem.
Disconnect the power to the device, wait a few minutes,
then reconnect the power and try the upgrade process
again.
During device upgrade one
of the following messages
appears: “UNKNOWN ERROR
Current image version” or
“UNKNOWN ERROR”.
A communication error
between the devices and the
server.
If this failure occurred after clicking ,
power cycle each device that did not get upgraded.
Unplug the power cord and plug it back in. As each device
reboots, it automatically updates (if it detects updated
software in the system).
Wait 30 minutes to allow for the device to update. If the
system has a very low bandwidth Internet connection, it
may take up to 4 hours.
If this failure occurred during a manual single-device
update, power cycle the device that did not get upgraded.
Unplug the power cord and plug it back in. As the device
reboots, it automatically updates (if it detects updated
software in the system).
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