Selecting and Using "Other" Features
Running Self Test
Running Self Test
Description Before using the HP 37718A to make measurements, you can run Self Test ALL TESTS to ascertain the integrity of the HP 37718A. These tests take between at least 1 hour to complete depending on the options fitted.
Alternatively you can run Confidence Tests which only takes 2 to 3 minutes to complete. This is not a full verification but performs BER measurements with internal and external loopbacks fitted.
HOW TO: | Run ALL TESTS | ||||
| 1 | Choose TEST TYPE |
| on the OTHER |
|
| ALL TESTS | SELF TEST | |||
| 2 | Insert a formatted disk into the instrument disk drive. | |||
display.
3Make the loopback connections listed below:
Connect Transmit module 75Ω OUT to Receive module 75Ω IN Connect Transmit module 100/120Ω OUT to Receive module 100/ 120Ω IN
Connect Transmit module 75Ω MUX to Receive module 75Ω DEMUX Connect Transmit module 100/120Ω MUX to Receive module 100/ 120Ω DEMUX
Connect Multirate Analyser IN to OUT
Connect Optical OUT to Optical IN via a 15 dB attenuator.
163
