RAD Data comm AMC-101 Dokumentacja Strona 32

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Chapter 4 Alarms and Diagnostics Installation and Operation Manual
4-2 Diagnostic Loopbacks AMC-101
4.2 Diagnostic Loopbacks
Two simultaneous local loopbacks check performance of the interface modules
installed in AMC-101 card, and their connections to the user equipment and to
the network (see Figure 4-2).
Tx
Tx
Rx
Rx
A
MC-101
User
Equipment
Network
Interface Module
Interface Module
Figure 4-2. Diagnostic Loopbacks
To activate diagnostic loopbacks:
Press the WRAP button located on the AMC-101 front panel.
The WRAP LED turns on.
To deactivate local loopbacks:
Press the WRAP button again.
The WRAP LED turns off.
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