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Monitoring and Troubleshooting
7-5
8700-A2-GB20-00
April 2000
Table 7-1. Health and Status Messages (3 of 3)
Message What To DoWhat Message Indicates
NTU TS16 Not
Supported
The LTU is configured for
TS16 signaling and the NTU
is not configured to support
TS16 signaling.
1. Verify endpoint is a G.703
product. EIA-530-A products do
not support signaling.
2. Replace endpoint or reconfigure
TS16 to data.
NTU/LTU
Mismatch, Pt n
The NTU is not configured
compatibly with the LTU.
Configure units to match.
OOF at Net, Pt n An Out Of Frame (OOF)
condition has been detected.
An OOF condition is declared
when 2 out of 4 frame
synchronization bits are in
error.
1. Check the Transmit Clock Source
configuration options. Do not set
both the local and remote unit to
Internal, External, or Loop timing.
2. Set the unit to run at a lower DSL
line rate.
3. Contact network provider.
Primary Clock
Failed, Pt n
A failure has occurred in the
primary clock source for the
DSX-1 or G.703 port.
1. Verify that the network cable is
securely attached at both ends.
2. Contact network provider.
Primary System
Clock Failed
A failure has occurred in the
clock common to all
cross-connect circuitry.
Contact your service representative.
RAI at G.703,
Pt n
An RAI (Remote Alarm
Indication) signal is being
received by the G.703
interface.
1. Check the status of the upstream
device.
2. Verify proper NTU and LTU
configuration.
Secondary
System Clock
Failed
A failure has occurred in the
fallback clock for the system
clock.
Contact your service representative.
System
Operational
There are no problems
detected.
Yellow Alarm at
DSX-1, Pt n
A Yellow Alarm Indication
signal is being received by
the DSX-1 interface.
1. Verify that the unit’s line framing
and line coding are compatible.
2. Contact network provider.