Paradyne FrameSaver 9120 User Manual page 35

9121-A2-GB20-20
Message What It Indicates
Primary Clock Failed A failure of the primary
clock source configured for
the NAM is detected and
the secondary clock is
providing the timing for the
NAM.
This condition clears when
the configured primary
clock is restored.
Secondary Clock A failure of the secondary
Failed clock source configured for
the NAM is detected and
the internal clock is
providing the timing for the
NAM.
The clock source will not
automatically switch from
internal until the primary
clock source returns.
Yellow at Network A yellow alarm signal is
received on the network
interface.
1. Network cable problem.
2. Far-end access unit has
3. T1 facility problem.
Yellow at DSX-1 A yellow alarm signal is
received on the DSX-1
interface. DTE has
detected a LOS or OOF
condition.
May 1998
lost framing sync on the
T1 line.
Displaying System Information
What To Do
If the primary clock was
derived from the network,
contact the network provider.
Check the clock source
connector.
If the secondary clock was
derived from the network,
contact the network provider.
Check the clock source
connector.
1. Check that your network cable
is securely attached at both
ends.
2. Check the status of the
far-end device. If the network's
line framing format is D4,
coordinate a change to ESF
format with the network
provider.
3. Contact your network provider.
1. Check that the DSX-1 cable is
securely attached at both
ends.
2. Check the status of the
attached equipment.
4-9