Справочник Пользователя для Adtran 1200291L1
Chapter 5. Statistics
61200659L1-1
MX2800 STS-1 User Manual
5-3
The following alarm counts are provided in this menu:
Condition
Description
LOS
(Loss of Signal)
The unit has lost the network receive signal.
The unit has lost the network receive signal.
LOF
(Loss of Framing)
The unit detects a framing loss from the network.
The unit detects a framing loss from the network.
LOP
(Loss of Pointer)
The unit is unable to detect a valid pointer in the
receive signal.
The unit is unable to detect a valid pointer in the
receive signal.
LOMF
(Loss of Multiframe)
The unit detects loss of H4 multiframe from the
network.
The unit detects loss of H4 multiframe from the
network.
AIS-L
(Line Alarm Indication Signal)
The unit is receiving a line alarm indication signal.
The Section Terminating Equipment generates
AIS-L after detecting LOS or LOF.
The unit is receiving a line alarm indication signal.
The Section Terminating Equipment generates
AIS-L after detecting LOS or LOF.
AIS-P
(Path Alarm Indication Signal)
The unit is receiving a path alarm indication
signal. AIS-P is defined as all ones in bytes H1,
H2, and H3 as well as all ones in the entire STS
synchronous payload envelope.
The unit is receiving a path alarm indication
signal. AIS-P is defined as all ones in bytes H1,
H2, and H3 as well as all ones in the entire STS
synchronous payload envelope.
RFI-L
(Line Remote Failure Indication)
The unit is receiving a line remote failure
indication. RFI-L is declared when the incoming
line remote defect indication (RDI-L, “110” pattern
in bits 6, 7, and 8 of the K2 line overhead byte)
lasts for 2.5 +/- 0.5 seconds.
The unit is receiving a line remote failure
indication. RFI-L is declared when the incoming
line remote defect indication (RDI-L, “110” pattern
in bits 6, 7, and 8 of the K2 line overhead byte)
lasts for 2.5 +/- 0.5 seconds.