3-94
Performance Tests
STM-1 Receiver Monitor Input (Options A1T, [A1U], A3R [A3S], 120)
Figure 3-42 STM-1 Receiver Monitor Input
4. Press and select SIGNAL LEVEL [STM-1] [MONITOR].
5. Select GAIN [20 dB].
6. Verify that all the front panel ALARM leds are off.
7. Press and , and check that the
display indicates NO TROUBLE.
8. Press to halt the measurement.
9. Connect the second 6 dB Fixed Attenuator between the 3 dB attenuator and the
Cable Attenuator.
10. Press and select GAIN [26 dB].
11. Press and , and check that the
display indicates NO TROUBLE.
12. Disconnect all test equipment.
RECEIVE
RESULTS
TROUBLE SCAN
RUN/STOP
RUN/STOP
RECEIVE
RESULTS
TROUBLE SCAN
RUN/STOP