Harris Intraplex STL-160 Series Installation & Operation Manual page 160

ACS-160 Series & STL-160 Series T1 Mux Installation & Operation
Version 2.11, August 2011
Figure 6-8. Data Channel Testing on In-Service T1 System
Figure 6-9 shows an end-to-end test on a voice or program audio channel. For duplex voice channels,
perform the test in each direction of the circuit.
Figure 6-9. Voice or Audio Channel Testing on In-Service T1 System
Figure 6-10 shows that you can perform local loopback tests on individual channel modules before
putting a multiplexer into service by activating its equipment loopback or by establishing a local
loopback using a T1 patch cord. You can only perform loopback tests on full-duplex 4-wire voice and
data channels.
6-16
6-Testing & Troubleshooting
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Intraplex Products