4. Monitoring the Unit
4-4
February 2001
8700-A2-GB25-10
Net Margin Threshold,
Pt
n
The signal-to-noise margin
has fallen below the
configured threshold for
Port
n.
1. Check the Network
Performance Statistics
screen for possible line
impairments.
2. Set the unit to run at a lower
DSL line rate.
3. Contact network provider.
OOF at Net, Pt
n
Three consecutive frame
synchronization bits were 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. If the unit is configured as an
LTU, verify that Transmit
Clock Source is set to
External and that the
synchronous port is
providing valid clocking.
3. Check the Network
Performance Statistics
screen for possible line
impairments.
4. Set the unit to run at a lower
DSL line rate.
5. Contact network provider.
SYNC Pt Down, Pt
n
The interchange circuits for
Port
n are configured to
monitor DTR and/or RTS,
and a monitored lead is not
asserted.
Verify that the DTE is providing
the monitored signals.
System Operational
There are no problems
detected.
No action is needed.
Table 4-1.
Health and Status Messages (2 of 2)
Message
What Message Indicates
What To Do