Near-End Alarm (Nea) Led Lit - Northern Telecom Meridian SL-1 Reference Manual

2 - 6 Trouble analyzing procedures

Near-end Alarm (NEA) LED Lit

2 Mb/s DTI Fault Clearing Procedures 553-2911-510
[ ]
1
DTI2 near-end alarm
LED is lit
[ ]
2
Load overlay 60.
Check the DTI2 pack
status, then disable
the pack and check
the error counts.
[ ]
3
Are any of the error
thresholds exceeded?
No
[ ]
6
Disable the DTI2
pack and run DTI2
self test (Chart 3-4).
Step 7
Page 2-7
[ ]
4
If the slip error threshold is
exceeded, check the Clock
Yes
Controller (Chart 3-4),
System Clock Generator, or
Peripheral Signaling packs,
or the far-end.
[ ]
5
For the other error types
check the Receive cable
pair between the DTI2 and
the far-end and/or possibly
the far-end DTI2.