Stm-1/Sts-3 Receiver Input Equalization (Options Us1, [Us5], A1T, [A1U], A3R, [A3S],120); Specification; Description; Procedure - HP 37717C Calibration Manual

Performance Tests
STM-1/STS-3 Receiver Input Equalization (Options US1, [US5], A1T,
[A1U], A3R, [A3S],120)
STM-1/STS-3 Receiver Input Equalization (Options
US1, [US5], A1T, [A1U], A3R, [A3S],120)
Specification
Receiver Equalization

Description

Receiver Equalization is verified by inserting the special Cable between the STS-3
OUT port and the STS-3 IN port and checking for error-free operation.
Equipment Required
Cable Attenuator (70 m)

Procedure

1. Recall the HP 37717C DEFAULT SETTINGS as shown on 3-2.
2. Select TRANSMITTER OUTPUT [SDH] or [SONET] and RECEIVER INPUT
[SDH] or [SONET].
3. Connect the OUT port to the IN port, via the Cable Attenuator.
4. Verify that all the front panel Alarm leds are off.
5. Press
TROUBLE SCAN
RESULTS
indicates NO TROUBLE.
6. Press
RUN/STOP
7. Disconnect all the test equipment.
Automatic for cable loss up to 12dB at half the bit rate.
: HP 8120-0049
:
RUN/STOP
to halt the measurement.
and check that the display
3-217