Exfo FTB-700 for FTB-1 User Manual download pdf (Page 321)

OTDR 313

A Especificaciones técnicas

IMPORTANTE

Las siguientes especificaciones técnicas pueden cambiar sin previo

aviso. La información contenida en esta sección se proporciona

únicamente como referencia. Si desea obtener las especificaciones

técnicas más recientes del producto, visite la página web de EXFO

en www.exfo.com.

TECHNICAL SPECIFICATIONS

FTB-7200D FTB-720 (Preliminary)

Wavelength (nm)

850 ± 20, 1300 ± 20, 1310 ± 20, 1550 ± 20

850 ± 20, 1300 ± 20, 1310 ± 20, 1550 ± 20, 1625 ± 15 (filtered)

Dynamic range

(dB)

c, d

27, 26, 36, 34 26, 25, 35, 32, 33

Event dead zone (m)

1 0.8

Attenuation dead zone (m)

3, 4, 4.5, 5 3.5, 4.5, 5, 5, 5

Distance range (km)

Multimode: 0.1, 0.3, 0.5, 1.3, 2.5, 5, 10, 20, 40

Singlemode: 1.25, 2.5, 5, 10, 20, 40, 80, 160, 260

Multimode: 0.1, 0.3, 0.5, 1.3, 2.5, 5, 10, 20, 40

Singlemode: 1.25, 2.5, 5, 10, 20, 40, 80, 160, 260

Pulse width (ns)

Multimode: 5, 10, 30, 100, 275, 1000

Singlemode: 5, 10, 30, 100, 275, 1000, 2500, 10 000, 20 000

Multimode: 5, 10, 30, 50, 100, 275, 500, 1000

Singlemode: 5, 10, 30, 50, 100, 275, 500, 1000, 2500, 10 000, 20 000

Launch conditions

Class CPR 1 or 2 Class CPR 1 or 2

Linearity (dB/dB) ±0.03 ±0.03

Loss threshold (dB) 0.01 0.01

Loss resolution (dB) 0.001 0.001

Sampling resolution (m)

Multimode: 0.04 to 2.5

Singlemode: 0.04 to 5

Multimode: 0.04 to 2.5

Singlemode: 0.04 to 5

Sampling points Up to 128 000 Up to 256 000

Distance uncertainty (m)

±(0.75 + 0.0025 % x distance + sampling resolution) ±(0.75 + 0.0025 % x distance + sampling resolution)

Measurement time User-defined (60 min. maximum) User-defined (60 min. maximum)

Typical real-time refresh (Hz) 3 3

Stable source output

power (dBm)

–1.5 (1300 nm), –7 (1550 nm) –2.5 (1300 nm), –7 (1550 nm)

Visual fault locator (optional)

Laser, 650 nm ± 10 nm

CW, P

out

in 62.5/125 μm: 1.5 dBm (1.4 mW)

N/A

NOTES

a. All specifications valid at 23 °C ± 2 °C with an FC/PC connector, unless otherwise specified; APC connector for FTB-720 singlemode model.

b. Typical.

c. Typical dynamic range with longest pulse and three-minute averaging at SNR = 1.

d. Multimode dynamic range is specified for 62.5 μm fiber; a 3 dB reduction is seen when testing 50 μm fiber.

e. Typical dead zone for multimode reflectance below –35 dB and singlemode reflectance below –45 dB, using a 5 ns pulse.

f. For multimode port, controlled launch conditions allow 50 μm and 62.5 μm multimode fiber testing.

g. Does not include uncertainty due to fiber index.

h. Typical output power is given at 1300 nm for multimode output and 1550 nm for singlemode output.

i. Under improvement to achieve better conditions.

SPECIFICATIONS

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Exfo FTB-700 for FTB-1 User Manual Page 321

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