HP 37717C User Manual page 183

Selecting and Using "Other" Features
Running Self Test
Additional Tests
Some options require additional tests to be carried out to completely
verify the option integrity. These require different connections and the
tests run individually.
RS-232-C Tests:
If Option A3B or A3D is fitted, the RS-232-C interface is not fully tested.
To fully test RS-232-C:
1 Choose CPU TESTS.
2 Fit a special RS-232 connector with looping links as shown:
3 Run the CPU TESTS.
Line Jitter Tests:
If Option A3L, A3V, A3N, A1M, A1N or A1P, SDH Line Jitter, is fitted,
the full set of jitter tests are not included under ALL TESTS.
To fully test SDH Line Jitter:
1 Choose JITTER TESTS.
2 Connect STM-1 OUT from the SDH module to STM-1E IN on the RX
Jitter module.
3 For Options A1N and A1P only connect STM-1/STM-4 OUT on the
Optical Module to STM-1/STM-4 IN on the RX Jitter module.
4 Run the JITTER TESTS.
1550 nm Dual Wavelength Tests:
If Option USN, Dual Wavelength Optical Interface, is fitted, the 1550 nm
tests are not included under ALL TESTS.
To complete the 1550 nm tests:
1 Choose STM-1/STM-4 OPTICS TESTS.
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