3-97
Performance Tests
STM-1 Receiver Input Equalization (Options US1, [US5], A1T, [A1U],
A3R [A3S], 120)
STM-1 Receiver Input Equalization (Options US1,
[US5], A1T, [A1U], A3R [A3S], 120)
Specification
Description
Receiver Equalization is verified by inserting the special Cable between the STM-1
OUT port and the STM-1 IN port and checking for error-free operation.
Equipment Required
Procedure
1. Recall the HP 37717C DEFAULT SETTINGS as shown on 3-2.
2. Select TRANSMITTER OUTPUT [SDH] and RECEIVER INPUT [SDH].
3. Connect the STM-1 OUT port to the STM-1 IN port, via the Cable Attenuator.
4. Verify that all the front panel Alarm leds are off.
5. Press : and check that the display
indicates NO TROUBLE.
6. Press to halt the measurement.
7. Disconnect all the test equipment.
Receiver Equalization Automatic for cable loss up to 12dB at half the bit rate.
Cable Attenuator (70 m) : HP 8120-0049
RESULTS
TROUBLE SCAN
RUN/STOP
RUN/STOP
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