Verilink T1 Access Router (34-00327) Product Manual - Manual (Page 24)

1-10 T 1 A c c e s s R o u t e r
Power Failure
If the indicator does not illuminate, check the power connections and the
primary AC circuit breaker.
The T1 Access Router provides non-volatile memory retention of the unit
configuration in case of a power failure. This feature allows the unit to
automatically restore normal service and retain pre-existing time and date
information following a power loss.