Altigen AltiContact Manager Version 5.0A, Руководство администратора

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Board Configuration
AltiContact Manager Administration Manual 6-21
6. Board
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L1 failure: <No
Signal (LOS)>
Layer 1 failure, physi-
cal layer; LOS = Ana-
log Loss of Signal Check T1/PRI cable
and change if neces-
sary. If cable is okay,
CO is not sending any
signal. Contact CO.
L1 failure:
<Alarm Indica-
tion Signal
(AIS)>
Layer 1 failure, physi-
cal layer; AIS = Alarm
Indicator Signal; all
ones detected To locate the AIS
alarm, have the carrier
check the T1 network
element connected to
the T1 interface and
trace the problem.
L1 failure:
<Remote Alarm
Indication
(RAI)>
Layer 1 failure, physi-
cal layer; RAI =
Remote Alarm Indica-
tor Cable is broken. If there
are no frame slips, con-
tact CO. If frame slips
exist, set this board as
the master.
L1 failure: <No
Sync Frames
Layer 1 failure, physi-
cal layer; no valid fram-
ing is detected. Possible span mis-con-
figuration (i.e., ESF is
selected but the actual
framing is SF, or vice
versa). Check span con-
figuration.
L1 failure:
<Red Alarm>
Layer 1 failure, physi-
cal layer; Bi-Polar Vio-
lations (BPV), Line
Code Violations (LCV),
or Out Of Frame
detected Location condition,
equipment problem.
- For excessive BPV,
check AMI/B8ZS set-
ting.
- For LCV/OOF, check
the MVIP bus master
setting.
OR
Have CO perform a line
test to check for a faulty
cable or line.
Table 1: Span Status Error Messages
Error Message Meaning Action