Displaying System Information
7-20 9161-A2-GH30-30
April 1998

Table 7-2. Health and Status Messages (3 of 5)

Message What To DoWhat It Indicates
Yellow at DSX
ss-p
A yellow alarm signal is
received on the DSX-1
interface in slot
ss
, port
p
.
DTE has detected an LOS or
OOF condition.
1. Check that the DSX-1 cable
is securely attached at both
ends.
2. Check the status of the
attached equipment.
APM Card Failed,
Slot
ss
The NAM detects an APM
failure for the identified slot.11. Check if APM is removed
from the slot.
2. Remove, then reinstall the
APM.
3. Contact your service
representative.
OOF(EDL), Slot
ss
Port
p
An Out of Frame (OOF)
condition is detected for the
identified slot and port.1 This
condition occurs when any two
of five consecutive frame
synchronizing bits received
from the remote unit are
incorrect. This condition clears
when a reframe occurs.
1. Cabling problem.
2. T1 facility problem.
1. Check that the far end is
configured for EDL.
2. Contact your network
provider.
EER, Slot
ss
Port
p
An Excessive Error Rate
(EER) condition is detected for
the identified slot and port.
1
Contact network provider.
Loss of Signal, Slot
ss
Port
p
A Loss of Signal (LOS)
condition has been detected
on the identified OCU-DP
interface. An LOS is declared
when a signal has been
absent on the local loop for
more than two consecutive
seconds.
1. Check that the DSU is
powered up.
2. Check the cable.
Abnormal Station
Code, Slot
ss
Port
p
An Abnormal Station Code is
being received from the
network DS0 for the identified
OCU-DP interface. This
condition indicates that the
far-end DSU is disconnected
or powered-off.
1. Check the that the far-end
DSU is operational.
2. Check the cable to the
far-end DSU.
1
ss
represents physical slots.