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Monitoring the Unit
4-3
7984-A2-GB20-10
February 1999
Health and Status
The following messages can appear in the first column of the System and Test
Status screen. The highest priority Health and Status message also appears on
all ATI screens on the bottom right.
Table 4-1. Health and Status Messages (1 of 2)
Message
What Message Indicates What To Do
System Operational There are no problems
detected.
LOS at Net, Pt 1 An LOS (Loss Of Signal)
condition has been
detected on the network
interface. No signal is
being received on Port 1,
possibly due to a local
network problem.
1. Verify that the network cable is
securely attached at both ends.
2. Verify proper NTU and LTU
configuration
3. Contact network provider.
OOF at Net, Pt 1 An OOF (Out Of Frame)
condition has been
detected at the network
interface.
Contact network provider.
LOS at DSX-1, Pt 1 An LOS (Loss Of Signal)
condition has been
detected on the DSX-1
interface.
1. Verify proper framing.
2. Contact network provider.
NTU/LTU Mis match,
Pt 1
The NTU is not configured
the same as the LTU.
Configure units to match.
LOF at DSX-1, Pt 1 An LOF (Loss Of Frame)
condition has been
detected on the DSX-1
interface.
1. Verify that the network cable is
securely attached at both ends.
2. Contact network provider.
AIS at DSX-1, Pt 1 An Alarm Indication Signal
(AIS) is being received by
the DSX-1 interface.
1. Verify that the units line framing
and line coding are compatible.
2. Contact network provider.
EER at Net, Pt 1 An EER (Excessive Error
Rate) condition has been
detected on the network
interface at Port 1. The
condition is cleared when
the error rate falls below
the threshold value
currently configured.
1. Ignore condition if 511 test active.
2. Contact network provider.
EER at DSX-1, Pt 1 An EER (Excessive Error
Rate) condition has been
detected on the DSX-1
interface.
1. Verify the attached equipment
coding is compatible.
2. Contact network provider.
Yellow alarm at
DSX-1, Pt 1
A Yellow Alarm Indication
signal is being received by
the DSX-1 interface.
1. Verify that the units line framing
and line coding are compatible.
2. Contact network provider.