
Maintenance and Troubleshooting
5-5
9121-A2-GB20-00
June 1997
Message
What To Do
What It Indicates
mm/dd/yy hh:mm:ss –
Continuous Loss Of
Signal (LOS) condition
detected at the
[
Network/DSX-1]
Interface.
LOS condition detected.
1. Check the cable to the
network/DSX-1 interface.
2. Contact network provider.
mm/dd/yy hh:mm:ss –
Alarm Cleared for Loss
Of Signal (LOS)
condition at the
[
Network/DSX-1]
Interface.
Alarm condition no
longer exists.
No action needed.
mm/dd/yy hh:mm:ss –
Continuous Out Of
Frame (OOF) detected at
the [
Network/DSX-1]
Interface.
An out-of-frame condition
is detected at the
network or DSX-1
interface.
1. Ensure that the line framing
format configuration option
setting matches the setting of
the equipment (DSX-1) or
network (Net).
2. Contact network provider.
mm/dd/yy hh:mm:ss –
Alarm Cleared for Out of
Frame (OOF) condition
at the [
Network/DSX-1]
Interface.
Alarm condition no
longer exists.
No action needed.
mm/dd/yy hh:mm:ss –
Alarm Indication Signal
(AIS) received at the
[
Network/DSX-1]
Interface.
An Alarm Indication
Signal condition is
detected on the network
or DSX-1 interface.
Check the status of the far-end
unit. If necessary, contact
network provider for Network
interface.
Check the DTE attached to the
DSX-1 interface.
mm/dd/yy hh:mm:ss –
Alarm Cleared for Alarm
Indication Signal (AIS) at
the [
Network/DSX-1]
Interface.
Alarm condition no
longer exists.
No action needed.
mm/dd/yy hh:mm:ss –
An Excessive Error Rate
(EER) has been detected
at the Network Interface.
An Excessive Error Rate
condition is detected on
the network interface.
Contact network provider.
mm/dd/yy hh:mm:ss –
Alarm Cleared for
Excessive Error Rate
(EER) at the Network
Interface.
Alarm condition no
longer exists.
No action needed.