User`s guide

Specifications Return Loss Module Specifications with Internal Source
58 Agilent 81610A/11A/12A/13A/14A Return Loss Module, Fifth Edition
Table 5 Return Loss Module Specifications with Internal Source
Agilent 81611A Agilent 81612A Agilent 81613A Agilent 81614A
Source Fabry-Perot Laser (internal)
Output Power typ. -4dBm
Center wavelength
[1]
1310 nm ± 20 nm typ. 1550 nm ± 20 nm typ. 1310/1550 nm
±20nm typ.
1550/1625 nm
±20nm typ.
Sensor element InGaAs
Fiber type Standard single-mode 9/125 µm
Dynamic Range
[1]
75 dB
Relative uncertainty of Re-
turn Loss (RL)
User Calibration
[2]
Plug and Play
[3]
RL
≤
55 dB < ±0.5 dB (typ. < ±0.3 dB) typ. < ±0.6 dB
RL
≤
60 dB < ±0.6 dB (typ. < ±0.4 dB) typ. < ±1.5 dB
RL
≤
65 dB < ±0.8 dB (typ. < ±0.5 dB)
RL
≤
70 dB < ±1.9 dB (typ. < ±0.8 dB)
[4]
RL
≤
75 dB typ. < ±2.0 dB
[4]
Total uncertainty add ±0.2 dB add typ. ±0.2 dB
Dimensions (H x W x D) 75 mm x 32 mm x 335 mm (2.8” x 1.3” x 13.2”)
Weight 1 kg
Recalibration period 2 years
Operating temperature 10 to 40ºC
Humidy Non-condensing
Warm-up time
[5]
20 minutes
[1]
At 25ºC constant temperature,
coherence control on
warm-up time after laser turn on >5 min.
[2]
Averaging Time 1 s,
calibration prior to measurement,
constant temperature,
coherence control on,
warm-up time after laser turn on >5 min
length of measurement patchcord ≥ 2m,
angled connector in optimal optical condition
Reference Cable 81610CC used for total uncertainty.
[3]
Factory defaults are set to (no user calibration necessary):
length of measurement patchcord ≤ 2 m,
return loss of connectors ≥70 dB
[4]
For measurements performed immediately after calibration
[5]
Warm-up time 60 minutes if not previously stored at the same temperature.