Troubleshooting

DTE Loopback

The local DTE external Loopback (DTLB) test loops the received signal on the DTE interface back to the DTE without affecting the operation of the remaining ports. Use this test to isolate problems on the user data port.

Main Menu Test Data Port Physical Tests

An attached device or test equipment must generate the data to be looped back.

User

Data DTLB

Port

Network

Port

99-16284

CAUTION:

This test may affect the operation of the frame relay PVCs assigned to the port. Any IP data being sent while this test is active will be disrupted.

9123-A2-GB20-10

July 2000

6-27

Page 179
Image 179
Paradyne 9123 manual DTE Loopback, Main Menu → Test → Data Port Physical Tests