TB 9-6625-2309-35
(37) Repeat technique of steps a(29) through (36) until top of FOCUS generated pulse
NOTE
Some spaces on attenuation data sheets may not be necessary
due to optical module dynamic range differences.
0 km
4 km
8 km
A
B
NOISE FLOOR PEAK
0. 0
4, 095. 9
8, 191. 8
↑
1, 024. 0 km / div →
8. 0 dB / div
A=
53. 0 m
INDEX: 1. 4990
B = 5, 407. 9 m
λ: 850 MM
PW:
150 ns
A→B = 5, 399. 0 m
# AVG = 4, 096. 0
2-POINT LOSS: 20. 60 dB
Figure 13. Top of
FOCUS generated pulse within 8 dB of TI
noise floor peak for
fast scan (TD-260C).
(38) Load TS-4320 OFTS calibration software on an MS-DOS compatible PC
according to instructions in Calibration Software User's Manual.
Menu and enter requested user input information.
(40) Perform steps (a) through (e) below:
(b) From selected TI optical module data sheet, type in data from Power High
Ref (dBm) column and press ENTER.
23