3-159
Performance Tests
Wander/Slips Measurement (Options UHN, [US9], A1M [A1Q], A1N
[A1R], A1P [A1S], A3L [A3M], A3V [A3W], A3N [A3P])
Jitter Receiver STM-1E Input Equalization (Options
A1M [A1Q], A1N [A1R], A1P [A1S], A3L [A3M], A3V
[A3W], A3N [A3P])
NOTE An SDH Module must be fitted for this test - see Appendix B.
Specification
Description
STM-1E Jitter Receiver Equalization is verified by inserting the special Cable
between the STM-1 OUT port on the SDH Module and the STM-1 IN port on the
Jitter Receiver Module 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
JITTER].
3. Connect the STM-1 OUT port on the SDH Module to the STM-1 JITTER IN port
on the Jitter Receiver Module, 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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