Net research NetProbe 2000 User Manual page 145

There are three IEEE C37.94 testing connections:
1. End to end testing between two NetProbe 2000 testers.
2. Terminating teleprotection equipment that is looped.
3. Terminating the multiplexer equipment that is looped.
Each is illustrated below
145
End-to-End testing between
two NetProbe 2000 test sets,
terminating the teleprotection
circuit at each end, via the
optical link.