Maintenance and Repair
298
7SS52 V4 Manual
C53000-G1176-C182-3
Testing the
FO interface
The functionality of the FO interface can be tested. Before carrying out test, the FO
connection to the central unit must be disconnected and at the bay unit, the receiver
must be bridged with the transmitter via an optical fibre.
The test function of the bay unit can be started via the membrane keypad or with
DIGSI. “4100 TEST OF COM MUNICAT.INTERFAC”
The test takes approx. 10 s. Afterwards, the fault rate is displayed (in %). After the test,
the jumper must be replaced with the correct optical fibre again.
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