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6-27
9123-A2-GB20-10
July 2000
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
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Test
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Data Port Physical Tests
An attached device or test equipment must generate the data to be looped back.
99-16284
Network
Port
User
Data
Port
DTLB
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.