External - Mts 64K Clock; Stm-1 Rx - HP 37717C Calibration Manual

Communications performance analyzer
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Performance Tests
External MTS Clock (Options US1, [US5], A1T, [A1U], A3R [A3S], 120)

External - MTS 64k Clock

21. Select CLOCK : EXTERNAL [MTS 64K CLOCK].
22. Set the HP 3335A to output a 32kHz, 2V p-p signal.
23. Connect the HP 3335A to the 100
64K REF IN port.
24. Press
and check that the RESULTS display reads NO TROUBLE
RUN/STOP
and all the Alarm leds are off.

STM-1 RX

25. Select CLOCK : STM-1 [RX].
26. Set the HP 3335A to output a 77.760MHz, 2V p-p signal.
27. Connect the HP 3335A to the STM-1 IN port and check that the CLOCK LOSS
led is off. (Ignore any other Alarm leds.)
3-84

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