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NEAX2000 IVS
2
ISDN System Manual
Page 194 ND-70919 (E), Issue 1.0
CHAPTER 5 OPERATION TEST
Interoffice Transmission Line Test
Table 5-4 Alarm Indications on BRT
LED
LED INDICATION FAULT
NORMAL FAULT CAUSE ACTION
•BRT
RUN Flash
(120 IPM)
On or Off Abnormal
operation of BRT
card
Confirm the programming data:
CM05, CM07 YY=02.
Check to see if the SENS
switch is set as per the AP
number (04-15) assigned by
CM05.
Reset the MB switch
(Down→Up→Down)
If the fault cannot be cleared,
replace the card.
ALM Off On Transmission line
fault
Confirm circuit line status.
Confirm PSTN line status.
•2BRT
RUN Flash
(120 IPM)
On or Off Abnormal
operation of BRT
card
Confirm the programming data:
CM05.
Check to see if the SENSE
switch is set as per the AP
number (04-15, 20-31)
assigned by CM05, CM07
YY=02.
Reset the MB switch
(Down→Up→Down)
If the fault cannot be cleared,
replace the card.
ALM0 Off On No. 0 circuit
transmission line
fault
Confirm No. 0 circuit line
status.
Confirm PSTN line status.
ALM1 Off On No. 1 circuit
transmission line
fault
Confirm No. 1 circuit line
status.
Confirm PSTN line status.
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