HP 37717C Calibration Manual page 212

Performance Tests
STM-1/STM-4 Optical Interface (Option UH2)
6. Verify that the front panel LASER ON led is on, indicating the laser is enabled.
7. Check the HP 8153A Power Meter reading is between -15 dBm and -8 dBm
(Typically -9 dBm).
8. Press
TRANSMIT
9. Repeat steps 6 and 7.
10. Press OTHER select STORED SETTINGS NUMBER [0] (Default Settings) and
press .
RECALL
11. Verify that the front panel LASER ON led is off before continuing.
12. Set the Optical Attenuator to ATTEN 0 dB, WAVELENGTH 1310 nm ; CAL=0.
Connect the Optical Attenuator between the Power Meter and the HP 37717C Optical
Out port (ensure that all connections are tight and that the cable has no twists).
13. Press
TRANSMIT
14. Adjust the Optical Attenuator to obtain a reading of -26 dBm on the Power Meter.
15. Press OTHER select STORED SETTINGS NUMBER [0] (Default Settings) and
press .
RECALL
16. Verify that the front panel LASER ON led is off before continuing.
17. Disconnect the Optical Attenuator Output from the HP 8153A and connect to the
HP 37717C Optical In Port.
18. Press then
OTHER
RECEIVER [COUPLED].
19. Press
TRANSMIT
20. Press
TROUBLE SCAN
RESULTS
measurement.
21. After 5 minutes check that NO TROUBLE is displayed on the
display.
22. Press select STORED SETTINGS NUMBER [0] (Default Settings) and
OTHER
press .
RECALL
23. Verify that the front panel LASER ON led is off before continuing.
24. Repeat steps 12 through 23, selecting SIGNAL [STM-4 OPT] in steps 13 & 19.
25. Disconnect the test equipment.
on the HP 37717C and select SIGNAL [STM-4 OPT].
SDH
on the HP 37717C and select SIGNAL [STM-1 OPT].
SDH
SETTINGS CONTROL
and select SIGNAL [STM-1 OPT].
SDH
, and then
and select TRANSMITTER AND
to start a
RUN/STOP
RESULTS
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