NEC NEAX 2000 IPS Maintenance Manual page 157

FAULT
KIND FAULT CONTENT
NUMBER
20 DTI line failure
21 DCH/BRT/PRT
D-channel link con-
nection failure
22 CCH/IPT link con-
nection failure
24 Number of faulty
[Australia trunks was more than
Only]
predetermined num-
ber
Remedial Action on Each Fault Kind
FAULT INFORMATION
Fault Detail Kind 01: Frame loss
Fault Detail Kind 02: Multi frame loss
Fault Detail Kind 03: AIS error
Fault Detail Kind 04: Remote alarm
Fault Detail Kind 05: Multi remote
Fault Detail Kind 06: S-bit error
Fault Detail Kind 08: CRC error
Fault Detail Kind 09: Slip detected
Fault Detail Kind 0A:Main signal all 1
Fault Detail Kind 0B:INFO 0
Fault Detail Kind 0C:INFO 2
3: XX XX XX XX
D-channel circuit No.
• In case of DCH/BRT/PRT
00-07: Channel No. 0-7
3: XX XX XX XX
CCH/IPT No.
00-07: CCH/IPT No. 0-7
– 147 –
CHAPTER 2 TROUBLESHOOTING
FAULT DIAGNOSIS AND TROUBLESHOOTING
REMEDIAL ACTION
Replace the DTI card.
alarm
Check the DTI cable con-
nection.
(for BRT)
(for BRT)
(for BRT)
Check the status of the
local office line or public
network line.
Check the status of the
local office line or
remote office line.
1
2
Search for a line fault
trunk by CMB0 Y=1
or CMF5 Y=0.
Check to see if the
trunk line is faulty.
Continued on next page
NWA-008847-001 Rev.3.0
a6ch2001.fm