Справочник Пользователя для HP Water System HP 37717C
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Getting Started
Monitoring Status
General Alarm Indicators
Loss
No data transitions at the input port.
Pattern Loss
The received data pattern is not in synchronization
with the internally generated reference data.
with the internally generated reference data.
Errors
A measured error has occurred. The indicator will
remain lit for 100 ms.
remain lit for 100 ms.
PDH / DSn Alarm Indicators
These are active when a PDH / DSn signal is received
AIS
The All Ones AIS signal is detectable in the presence of
a 1 in 10
a 1 in 10
-3
error rate.
Frame Loss
Frame alignment lost or out of alignment condition.
M/Frame Loss Multiframe alignment lost.
Remote Alarm Remote alarm, x-bit or yellow alarm bit is set.
Remote M/
Frame Alarm
Frame Alarm
Remote Multiframe Alarm bit is set.
ATM Alarm Indicators
These are active when an ATM signal is received.
VP Alarm
Virtual Path AIS or FERF has been detected.
VC Alarm
Virtual Channel AIS or FERF has been detected.
Loss of Cell
Sync
Sync
Cell Sync Loss has been detected.
Selected Cell
Not RX
Not RX
The selected cell has not been received.Selected cell not
received.
received.
Jitter Alarm Indicators
Jitter Unlock
The jitter receiver has lost phase lock. Jitter
measurement is suspended until lock is regained.
measurement is suspended until lock is regained.
Jitter Hits
A jitter hit has been detected.