Loopback Alarm Led Lit - Northern Telecom Meridian SL-1 Reference Manual
2-mb/s digital trunk interface fault clearing procedures
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Also See for Meridian SL-1:
- Installation manual (62 pages) ,
- Reference manual (41 pages) ,
- Install manual (32 pages)
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Loopback Alarm LED Lit
DTI2 loopback LED
is lit
Load overlay 60.
Check the DTI2 pack
status.
Disable the DTI2 pack
and run the DTI2 self
test (Chart 3-4).
[
]
1
[
]
2
[
]
3
Are any of the
channels or the
DTI2 pack itself in
loopback?
No
[
]
5
Step 6
Page 2-10
2 Mb/s DTI Fault Clearing Procedures 553-2911-510
Trouble analyzing procedures
[
]
4
Remove the channel/DTI2
Yes
pack from the loopback
mode.
2 - 9
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