Fujitsu FLM 150 ADM Maintenance And Trouble Clearing page 174

Maintenance and Trouble Clearing
FJTU-320-515-480
5.3.2 Measuring Optical Input Power
This section provides detailed instructions for measuring optical input power at
the HC1A-3xRx units. When measuring optical input power, check the
HC1A-3xRx units for correct optical output power using the procedure in
Section 5.3.1, Measuring Optical Output Power. Once the measurement is
complete, you can record the information on the data record provided in the
Plug-In Installation practice, FJTU-320-515-220, Appendix A.
Measurement Setup
Figure 5-14 shows the power meter setup to be used throughout the procedure.
Figure 5-14: FLM 150 ADM Optical Receiving Power Measurement
Issue 9, May 1999
R IN OPTICAL LINE
FC961M3M1
FC961M3M1 FC961M3M1 FC961M3M1
FAIL
FAIL FAIL FAIL
LINE LINE LINE LINE
SEND
SEND SEND SEND
ON LINE ON LINE ON LINE ON LINE
HC1A-3MR1 HC1A-3MR1 HC1A-3MR1 HC1A-3MR1
FNC and FNC Customer Use Only
5.3: Measuring Optical Power
OPTICAL POWER METER
OPTICAL SENSOR
Vol. ll, Page 480.5-12