Dte Loopback (9123, 9126, 9128) - Paradyne iMarc SLV Operation Manual

DTE Loopback (9123, 9126, 9128)

The DTE external Loopback (DTLB) test loops the received signal on a DTE
interface back to the DTE without affecting the operation of the remaining ports.
Use this test for isolating problems on the DTE interface.
An attached device or test equipment must generate data to be looped back.
9000-A2-GB33-20
Main Menu→Test→Data Port Physical Tests
DSX
All 1s
Interface
DTLB DTLB
DTE DTE
Port 2 Port 1
CAUTION:
This test may affect operation of frame relay PVCs assigned to the
selected port. Any IP data being sent while this test is active will be
disrupted.
May 2003
5. Troubleshooting
Network
Interface
98-16190
5-33