3-3
Performance Tests
Self Test - All Options
Self Test - All Options
Description
The instrument ALL TESTS self test is run to verify the functionality of the
instrument prior to carrying out the performance tests.
Ensure the following loopbacks are in place before running the ALL TESTS Self
Test.
1. Set up the display as shown
opposite using , and
2. Insert a formatted disk into the
instrument disk drive
3. PDH Loopbacks:
Connect 75 Ω Signal In to 75 Ω Signal
Out.
Connect 120 Ω Signal In to 120 Ω Signal
Out.
If Option UKJ is fitted, also connect MUX port to DEMUX port.
If Option UH3 is fitted connect CLOCK OUT to CLOCK IN and DATA OUT to
DATA IN.
4. SDH Loopbacks:
Connect the STM-1 IN port to the STM-1 OUT port.
5. Optical Interface Loopbacks:
Connect the IN port to the OUT Port.
CAUTION If Option URU, STM-1/STM-4 Optical Interface, is fitted connect an Optical
attenuator, set to 10 dB, between the IN and OUT Ports. Failure to attenuate the
optical signal from option URU could result in damage to the optical receiver.
NOTE If Option USN or UKT, Dual Wavelength Optical Interface, is fitted connect the 1310
nm OUT port to the IN port. Do not connect the 1550 nm OUT port to the IN port.
OTHER
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SELF TEST
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