Line Loopback (Network Or 9520-Ilm T3 User Port) - Paradyne iMarc SLV Operation Manual

5. Troubleshooting

Line Loopback (Network or 9520-ILM T3 User Port)

The Line Loopback (LLB) loops the information received on the selected interface
back to the source of the loopback. When used with a pattern test at the remote
node, LLB determines whether the problem is with the sending device or the T3
facility.
5-40
→ →
Main Menu Test Network Physical Tests
→ →
Main Menu Test T3 User Port Physical Tests
Framer LLB
CAUTION:
This test may affect the operation of the frame relay PVCs assigned to
the selected port. While in loopback, the frame relay link will be down so
any IP data being sent while this test is active will be disrupted.
May 2003
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Line Loopback
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Line Loopback
Network
Interface
00-16790
9000-A2-GB33-20