Technical information

Cuda 12000 IP Access Switch CudaView Administration Guide
239
Path Alarm
Indication
Signal
Detections
(PAIS)
The number of times a Path Alarm Indication Signal has been
detected. A PAIS occurs if all the H1/H2 pointer bytes in the
received SONET frame are 01.
Path Remote
Defect
Indication
Detections
(PRDI)
The number of times a Path Remote Defect Indication has
been detected. A PRDI occurs if bits 5,6 and 7 of the G1
byte received with the same value for 5 consecutive frames.
Path Loss of
Pointer
Detections
(PLOP)
The number of times a Path Loss of Pointer has been
detected. A PLOP occurs if all the H1/H2 pointer bytes in the
received SONET frame are not all 01 indicating PRDI or the
first pair equals 00 and all other pairs equaling 11 indicating
normal operation.
Rx J1 (Hex) The first J1 byte received in last packet.
Rx C2 (Hex) C2 byte received in last packet.
Rx G1 (Hex) G1 byte received in last packet.
Counter Description