Lucent Technologies FiberReach DDM-2000 - Page 943

TEST-TRMSN-T3 5of3Page TEST-TRMSN-T3
Multiplexing Direction
Loopback can be
Multiplexing Direction
Demultiplexing Direction
Fiber
Loopback
Demultiplexing Direction
Internal Loopback
FAR-END
External
Loopback
OLIU
fiber loopback, internal loopback,
Test Signal
OLIU
Internal
Monitor
NEAR-END
DSX/T1
DSX
DSX, or T1 carrier external loopback
DirectionMUXinSignalDS3ofTestTransmissionAutomated11-6.Figure
DSX
NEAR END
Loop
DSX
Multiplexing Direction
Test Signal
Internal
Demultiplexing Direction
Monitor
DirectionDEMUXinSignalDS3ofTestTransmissionAutomated11-7.Figure
FiberReachDDM-2000 2000June3Issue 11-383