HP 37717C, Calibration Manual, Page: 209 / 399

3-100
Performance Tests
STM-1 Optical Interface (Option UH1)
4. Press then to select the Power Level measurement on the HP
8153A.
5. Press on the HP 37717C and select SIGNAL [STM-1 OPT].
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 select STORED SETTINGS NUMBER [0] (Default Settings) and
press .
9. Verify that the front panel LASER ON led is off before continuing.
10. 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).
11. Press on the HP 37717C and select SIGNAL [STM-1 OPT].
12. Adjust the Optical Attenuator to obtain a reading of -28 dBm on the Power Meter.
13. Press select STORED SETTINGS NUMBER [0] (Default Settings) and
press .
14. Verify that the front panel LASER ON led is off before continuing.
15. Disconnect the Optical Attenuator Output from the HP 8153A and connect to the
HP 37717C Optical In Port.
16. Press then CONTROL and select TRANSMITTER AND
RECEIVER [COUPLED].
17. Press and select SIGNAL [STM-1 OPT].
18. Press , and then to start a
measurement.
19. After 5 minutes check that NO TROUBLE is displayed on the
display.
20. Press select STORED SETTINGS NUMBER [0] (Default Settings) and
press .
21. Verify that the front panel LASER ON led is off.
22. Disconnect the test equipment.
MODE dBmw
TRANSMIT
SDH
OTHER
RECALL
TRANSMIT
SDH
OTHER
RECALL
OTHER
SETTINGS
TRANSMIT
SDH
RESULTS
TROUBLE SCAN
RUN/STOP
RESULTS
OTHER
RECALL