DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126 Issue 4
June 1999
Maintenance Object Repair Procedures
9-1225PGATE-PT (Packet Gateway Port)
9
Figure 9-77. Packet Gateway Port Remote Loop-Around Test
Manual activation of the loopb ack is required for this test. If availab le, the Local
Loopback (B in the above figure), Digital Loopback (C), and Remote Loopback
(D) capabilities of external data sets may be used in c onjunction with this test for
fault isolation. Execution of this test with the data set in the Lo cal Loopback mode
verifies the integrity of the external p ort cabling. Executio n of this test with the
data set in the Digital Loop back mode verifies the integ rity of the data set.
Execution of this test with the far-end data s et in the Remote Loopback mode
verifies the integrity of the transmission fac ility.
For this test to run, the port or link must be busied out and the ‘‘Remote
Loopback’’ field on the data-module form must b e set to ‘‘y.’’ This field should
only be set to ‘‘y’’ when the external loopb ack switch has been ac tivated for the
test, and should be c hanged bac k to ‘‘n’’ when testing is comp leted and the
external loopback ha s been deactivated .
To test to an MPDM attached to a Packet Gateway port:
1. Enter busyout data-module extension or busyout port UUCSSpp or
busyout link link#.
2. Set the switch on the MPDM to local loopb ack.
3. Enter change data-module extension and set the ‘‘Remote Loop-Around
Test’’ field to ‘‘y.’’
4. Enter test data-module extension long or test port UUCSSpp long or
test link link# long.
5. When finished testing, enter change data-module extension and set the
‘‘Remote Loop-Around Test’’ field to ‘‘n.’’
6. Enter release data-module extension or release port UUCSSpp or
release link link#.
To test through an administered connection to an MPDM attac hed to an adjunct
(see ‘‘Packet Gateway Configurations’’ at the beginning of the PGATE-PT
section):
Far-end
Switch or
Adjunct
RS423
TN577
Packet
Gateway
Port Data
Set
Data
Set
C
Transmission
Facility
A B