150-357-200-02, Issue 2
Provisioning
HXU-357 List 1
February 9, 1999
41
DS1 Receive Loss of Signal
1 - 28
DS1 from the DS3 is not active. Can be
generated for each of the 28 DS1 channels.
DS1 Transmit Fault
1 - 28
DS1 signal transmitted is in error. Can be
generated for each of the 28 DS1 channels.
DS1 Receive Fault
1 - 28
DS1 signal received is in error. Can be
generated for each of the 28 DS1 channels.
DS1 Terminal Loopback
1 - 28
DS1 port is looped back to DS3 (loopback of
the demultiplexed DS1 data back onto the
multiplexed path). Can be generated for each
of the 28 DS1 channels.
DS1 Facility Loopback
1 - 28
DS1 port looped back to HLU loopback of the
incoming DS1 back to the external output).
Can be generated for each of the 28 DS1
channels.
DS2 Receive Out-of-Frame
Quad 1
n/a
Ports 1 - 4 internal to HXU (DS2) have lost
frame. Check C-bit parity.
DS2 Receive Out-of-Frame
Quad 2
n/a
Ports 5 - 8 internal to HXU (DS2) have lost
frame. Check C-bit parity.
DS2 Receive Out-of-Frame
Quad 3
n/a
Ports 9 - 12 internal to HXU (DS2) have lost
frame. Check C-bit parity.
DS2 Receive Out-of-Frame
Quad 4
n/a
Ports 13 - 16 internal to HXU (DS2) have lost
frame. Check C-bit parity.
DS2 Receive Out-of-Frame
Quad 5
n/a
Ports 17 - 20 internal to HXU (DS2) have lost
frame. Check C-bit parity.
DS2 Receive Out-of-Frame
Quad 6
n/a
Ports 21 - 24 internal to HXU (DS2) have lost
frame. Check C-bit parity.
DS2 Receive Out-of-Frame
Quad 7
n/a
Ports 25 - 28 internal to HXU (DS2) have lost
frame. Check C-bit parity.
Protection Switch
n/a
Momentary alarm generated when a switch
to protection has occurred.
DS3 Receive Loss of Signal
n/a
DS3 detects a loss of signal.
DS3 Receive Failure
n/a
DS3 detects a failure.
DS3 Receive BER
n/a
BER of DS3 Receive traffic exceeds the set
BER threshold.
DS3 Receive AIS
n/a
AIS pattern (all ones) has been detected in
the DS3 Receive traffic.
Table 10.
HXU-357 Alarms (Continued)
Alarm String
Channel
Condition
