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Troubleshooting
6-9
9123-A2-GB20-10
July 2000
Table 6-1. Alarm Conditions (3 of 4)
Alarm Condition What To DoWhat It Indicates
LMI Down,
frame relay link
2
(cont’d)
The Local Management
Interface is down for the
specified frame relay link.
For user data port:
H Check that the DTE cable is
securely attached at both
ends.
H Verify that Transmit Clock
Source and Invert Transmit
Clock options are properly
configured.
H Verify that Frame Relay
Performance Statistics show
LMI frames being received. If
no frames are being received:
– Check the attached device.
– Verify that the LMI Protocol
setting reflects the LMI type
being used.
LOS at Network
1 A Loss of Signal (LOS)
condition is detected on the
network interface. Clears
when the ratio of ones to
zeros received is greater
than or equal to 12.5%.
H Network cable problem.
H No signal is being
transmitted at the far-end
FrameSaver unit.
H T1 facility problem.
H Check that the network cable
is securely attached at both
ends.
H Check far-end FrameSaver
unit status.
H Contact your network provider.
Network Com Link
Down
The communication link for
the COM port is down and
the COM port is configured
for Net Link.
Check the router connected to
the COM port.
OOF at Network 1 An Out of Frame (OOF)
condition is detected on the
network interface.
H Incompatible framing
format between the
network and the
FrameSaver unit.
H Network cabling
problem.
H T1 facility problem.
H Check that the framing format
for the network interface is
correct.
H Check that the network cable
is securely attached at both
ends.
H Contact your network provider.
2
frame relay link
is one of the following:
– Net1-FR1. The frame relay link specified for the network port, Network 1.
– Port-1. The frame relay link associated with the user data port.