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Технические характеристики

Интеллектуальный рефлектометр для тестирования оптоволоконных линий 171

FTB-730

TECHNICAL SPECIFICATIONS (OTDR)

Model FTB-730

Wavelength (nm)

1310 ± 20/1490 ± 15/1550 ± 20/1625 ± 10/1650 ± 7

Dynamic range at 20 +s (dB)

39/38/37/39

/37

Event dead zone (m)

0.8

Attenuation dead zone (m)

4/4.5/4.5/4.5/4.5

Distance range (km) 1.25, 2.5, 5, 10, 20, 40, 80, 160, 260, 400

Pulse width (ns) 5, 10, 30, 50, 100, 275, 500, 1000, 2500, 10 000, 20 000

Linearity (dB/dB)

±0.03

PON dead zone (m)

Loss threshold (dB) 0.01

Loss resolution (dB) 0.001

Sampling resolution (m) 0.04 to 5

Sampling points Up to 256 000

Distance uncertainty (m)

±(0.75 + 0.0025 % x distance + resolution)

Measurement time User-defined (60 min. maximum)

Typical real-time refresh (Hz) 4

Stable source output power (dBm)

–2.5

Reflectance (dB)

±2

p p

TECHNICAL SPECIFICATIONS (In-Line Power Meter)

Input power range (dBm) 1490 nm: –65 to 18

1550 nm: –50 to 28

PON power meter (nm) Two channels: 1490/1550

Broadband power meter (nm) One channel: 1270 to 1625

Power uncertainty (dB)

±0.2

Calibrated wavelengths (nm) 1310, 1490, 1550 and 1625

PON power meter spectral band (nm) 1450 to 1530

Broadband power meter spectral band (nm) 1270 to 1625

Display resolution (dB) 0.1

PON power meter ORL (dB)

–55

Broadband power meter ORL (dB)

–50

For complete details on all available configurations, refer to the Ordering Information section.

Notes

a. SM Live port built in filter’s bandpass 1625 nm ± 15 nm/1650 nm ± 7 nm.

b. Typical.

c. Typical dynamic range with a three-minute averaging at SNR = 1.

d. Non-SM Live 1625 nm dynamic range is 37 dB.

e. Typical dead zone for reflexions below –45dB using a 5 ns pulse.

f. Non-reflective FUT, non-reflective splitter, 13 dB loss, 50 ns pulse, typical value.

g. Does not include uncertainty due to fiber index.

h. Typical output power value at 1550 nm.

GENERAL SPECIFICATIONS

Size (H x W x D) 130 mm x 36 mm x 252 mm (5

in x 1

in x 9

in)

Weight 0.65 kg (1.4 lb)

Temperature

Operating

Storage

0 °C to 50 °C (32 °F to 122 °F)

–40 °C to 70 °C (–40 °F to 158 °F)

Relative humidity 0% to 95% non-condensing

1 2 ... 172 173 174 175 176 177 178 179 180 181 182 ... 187 188

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Exfo iOLM Manuel d'utilisateur Page 177

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