CHAPTER 5 OPERATION TEST
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NWA-008853-001 Rev.3.0
97ch5001.fm
Alarm Indications on 24DTI
LED
LED INDICATION
FAULT
NORMAL
FAULT
CAUSE
ACTION
RUN
Flash
(120 IPM)
On or Off
Abnormal operation
of DTI card
Confirm the programming data:
CM05 Y=0/Y=1, CM07 Y=01.
Check to see if the SENSE switch
is set as per the AP number (04-15,
20-31) assigned by CM05 Y=0.
Reset the MB switch
(Down
→
Up
→
Down)
If the fault cannot be cleared,
replace the card.
CRC
Off
On
Bit Error Rate
exceeds the prede-
termined value
Check the receive line and exter-
nal equipment.
Replace the remote DTI card.
PCM
Off
On
No PCM signals
arrive from the dis-
tant office
Check to see if the line is correctly
connected to the DTI card.
Plug and unplug the DTI card.
Repeat this two or three times.
FRM
Off
On
Frame Alignment
signals from the
distant office can-
not be received
Check the receive line and exter-
nal equipment.
Replace the remote DTI card.
RMT
Off
On
Frame Alignment
signals cannot be
sent to the remote
PBX
Check the transmission line and
external equipment.
Replace the DTI card.
AIS
Off
On
Remote PBX is in
the local loopback
state
Check the switch settings of the remote
DTI card.
1
2
3
4
1
2
1
2
1
2
1
2
LOOPBACK TEST
Содержание UNIVERGE NEAX 2000 IPS
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