
Chapter 10 APPENDIX
10-14
Return loss
Expressed by the ratio of the total reflected optical power (Pr) from optical system or
optical fiber to the incident optical power (Pi), and calculated by the following formula.
RL
=−
10log (Pr/Pi) [dB]
S/N
Signal to noise ratio. “Low S/N” means that the trace contains a lot of noise.
Sampling count
Quantity of data acquired for each trace. The sampling count must be determined by the
user.
For the method of selecting a sampling count, refer to page 3-28.
Sampling resolution
Distance interval at which data is acquired.
Sampling resolution
Refer
Summary of Contents for AQ7260 OTDR
Page 1: ...User s Manual Y okogawa Electric Corporation AQ7260 OTDR IM 813920300 01E 2nd Edition ...
Page 27: ......
Page 70: ...Chapter 2 BEFORE STARTING MEASUREMENT 2 1 Changing System Settings 2 2 ...
Page 76: ...Chapter 2 CHANGING SYSTEM SETTINGS 2 7 When LINE is selected When DOT is selected TIP ...
Page 78: ...Chapter 2 CHANGING SYSTEM SETTINGS 2 9 When CROSS is selected When LINE is selected TIP ...
Page 89: ...Chapter 2 CHANGING SYSTEM SETTINGS 2 20 When LINE is selected When ARROW is selected TIP ...
Page 216: ...Chapter 4 ENTERING CHARACTERS 4 1 Entering Characters 4 2 4 2 Editing Characters 4 7 ...
Page 264: ...Chapter 6 FILE OPERATION 6 1 File Operation 6 2 6 2 Using the Utility Functions 6 22 ...
Page 295: ......
Page 351: ......
Page 413: ......
Page 422: ...Chapter 9 SPECIFICATIONS 9 9 AQ7260 OTDR ...
Page 423: ...Chapter 9 SPECIFICATIONS 9 10 AQ7261 SMF MODULE ...
Page 424: ...Chapter 9 SPECIFICATIONS 9 11 AQ7264 SMF MODULE ...
Page 425: ...Chapter 9 SPECIFICATIONS 9 12 AQ7265 SMF MODULE ...
Page 426: ...Chapter 9 SPECIFICATIONS 9 13 PRINTER FDD UNIT ...
Page 427: ...Chapter 9 SPECIFICATIONS 9 14 PRINTER UNIT ...
Page 428: ...Chapter 10 APPENDIX 10 1 Software Upgrade 10 2 10 2 Troubleshooting 10 5 10 3 Glossary 10 8 ...