NEAX2000
IVS
2
ISDN System Manual
Page 192
ND-70919 (E), Issue 1.0
CHAPTER 5 OPERATION TEST
Interoffice Transmission Line Test
Table 5-2 Alarm Indications on 30DTI
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, CM07 YY=01.
Check to see if the SENS
switch is set as per the AP
number (04-15, 20-31)
assigned by CM05.
Reset the MB switch
(Down
→
Up
→
Down)
If the fault cannot be cleared,
replace the card.
PCM
Off
On
No PCM signals
arrive from the
distant office
Check to see if the DTI cable is
correctly connected.
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
external equipment.
Replace the remote DTI card.
MFRM
Off
On
Multi Frame
Alignment signals
from the distant
office cannot be
received
Check the receive line and
external 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.
MRMT
Off
On
Frame Alignment
signals from the
distant office can-
not be received
Confirm the switch setting on
the DTI card indicating an
alarm.
Replace the DTI card not indi-
cating an alarm, with a spare.
AIS
Off
On
Remote PBX is in
the loop-back test
Check the switch settings of
the remote DTI card.
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Summary of Contents for NEAX 2000IVS2
Page 1: ...ND 70919 E ISSUE 1 STOCK 151988 ISDN System Manual FEBRUARY 2000 NECAmerica Inc ...
Page 11: ...NEAX2000 IVS2 ISDN System Manual Page vi ND 70919 E Issue 1 0 This page is for your notes ...
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