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Acceptance tests
553-2811-200
Standard 6.0
December 1994
Link diagnostic and remote loopback test procedures
1
Log into the overlay area for both the local and collocated Meridian 1
systems.
2
Enter
LD 60
.
3
Enter
DISL loop
to disable the DTI card on the local Meridian 1 on Loop
L. Enter
DISL loop
to disable the DTI card on the collocated Meridian 1
on Loop L.
4
On the collocated Meridian 1, enter
RLBK loop
to place this DTI in the
remote loopback mode.
5
On the local Meridian 1, enter
RMST loop
to test the physical link
between the local and the collocated DTIs.
6
If the system response is not appropriate, refer to
Digital Trunk
Interface/Computer-to-PBX Interface maintenance
(553-2811-500) to
analyze the message.
7
On the collocated Meridian 1, enter
DLBK loop
to disable the remote
loopback mode.
8
Enter
ENLL loop
to enable the DTI card on the local Meridian 1 on Loop
L. Enter
ENLL loop
to enable the DTI card on the collocated Meridian 1
on Loop L.
9
Enter
****
on both the local and collocated Meridian 1 systems to abort
LD 60.
Figure 12
DTI remote loopback test and DTI link diagnostic test
Meridian 1
Far end
LD60 RMST l
553-1374
T1 connection
PRI
LD60 RLBK l
Send test
pattern
Verify test
pattern
PRI
Perform self-test on
specified loop
Close loop at carrier
interface point for testing
