YOKOGAWA AQ7260 OTDR, Руководство пользователя, Страница: 401 / 442

Chapter 8 USING OPTIONS AND EXTERNAL DEVICES
8-50
Device Message
No. Function
Header
Numeric
Part
Description
4-8 Attenuation ATR Requests the attenuation.
0: 0.00 dB 11: 13.75 dB
1: 1.25 dB 12: 15.00 dB
2: 2.50 dB 13: 16.25 dB
3: 3.75 dB 14: 17.50 dB
4: 5.00 dB 15: 18.75 dB
5: 6.25 dB 16: 20.00 dB
6: 7.50 dB 17: 21.25 dB
7: 8.75 dB 18: 22.50 dB
8: 10.00 dB 19: 23.75 dB
9: 11.25 dB 20: 25.00 dB
10: 12.50 dB 21: 26.25 dB
4-9 Average condition AVDR Requests the type of average measurement.
0: Average time (2^*)
1: Average interval
2: Average time (*k)
4-10 Average time
/average interval
setting
NUMR Requests the time (interval) for average processing.
−
2: 2^10 3: 2^15
−
1: 2^11 4: 2^16
0: 2^12 5: 2^17
1: 2^13 6: 2^18
2: 2^14
−
2: 1k 3: 32 k
−
1: 2k 4: 65 k
0: 4k 5: 131k
1: 8k 6: 262k
2: 16k
0: 10sec
5: 3min
1: 20sec 6: 5min
2: 30sec 7: 10min
3: 1min 8: 20min
4: - 9: 30min
4-11 Average method AVER Requests the average method.
0: Hi-SPEED
1: NORMAL
2: Hi-RETURN
4-12 Data size DSR Requests the data size.
0: 5k data
1: 20k data
2: 60k data
4-13 Group index IORR Requests the group index.
1.XXXXX
4-14 Back scattering ray BSR
(RLR)
m Requests the back scatter level.
m
=
0: Unit’s first wavelength
1: Unit’s second wavelength
2: Unit’s third wavelength
3: Unit’s fourth wavelength
XX.XX
4-15 Measurement
condition output
U Requests the measurement conditions.
For the return value format, refer to page 8-59.
4-16 Multi wavelength
measurement setting
MWAVESET
Ｒ
Requires multi wavelength measurement setting
m= 0 : OFF
1 : ON