HP Water System HP 37717C 用户手册
29
Getting Started
Monitoring Status
SDH Alarm Indicators
These are active when an SDH signal is received.
FRAME LOSS Loss Of Frame has been detected.
LOSS OF
POINTER
POINTER
Loss of pointer has been detected.
MS-AIS
Multiplexer Section AIS has been detected.
AU-AIS
Path AIS has been detected.
CLOCK LOSS
The transmitter clock is not synchronized to the
selected reference.
selected reference.
MS-RDI
Multiplexer Section RDI (FERF) has been detected.
HP-RDI
Path RDI (FERF) has been detected.
TU-AIS
TU Path AIS has been detected. .
LP-RDI
TU Path RDI (FERF) has been detected. .
POINTER
ADJUST
ADJUST
A pointer change in the foreground signal has been
detected.
detected.
SONET Alarm Indicators (Option 120)
These are active when a SONET signal is received.
LOF/SEF
Loss of Frame or Severely Errored Frame has been
detected. Status message on bottom of display states
which has occurred.
detected. Status message on bottom of display states
which has occurred.
LOP-P/LOP-V Loss of Pointer has been detected.
AIS-L
Line AIS has been detected.
AIS-P
STS Path AIS has been detected.
CLOCK LOSS
The transmitter clock is not synchronized to the
selected reference.
selected reference.
RDI-L
Line Remote Defect Indication (RDI) has been
detected.
detected.
RDI-P
STS Path RDI has been detected.
AIS-V
Virtual Tributary path AIS has been detected.