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EXFO FTB/IQS-88000 Series Power Blazer for FTB-2/2Pro/500/IQS-600 User Manual

Page 99

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Test Setup - Test Configurator, Timer, and System

Power Blazer

87

Modify Structure Button

Topology allows the selection of the network test topology.

Coupled uses the same settings for both the TX and RX signals.

Decoupled, supported with DSn/PDH BERT test application, uses
independent settings for TX and RX signals. However, the pattern
and some other parameters are always coupled.

Through loops the RX signal to the TX port without TX overwrite
capabilities.

Through Intrusive loops the RX signal to the TX port with TX
overwrite capabilities. Only available with OC-768/STM-256 and
OTU3.