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A technical specifications, Ftb-720, Mportant – EXFO iOLM User Manual

Page 171: Intelligent optical link mapper, Technical specifications, General specifications

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intelligent Optical Link Mapper

165

A Technical Specifications

FTB-720

I

MPORTANT

The following technical specifications can change without notice.
The information presented in this section is provided as a reference
only. To obtain this product’s most recent technical specifications,
visit the EXFO Web site at www.exfo.com
.

TECHNICAL SPECIFICATIONS

Wavelength (nm)

b

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

Dynamic range

(dB)

c, d

27, 26, 36, 34, 34

Event dead zone (m)

e

0.8

Attenuation dead zone (m)

e

4, 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

Pulse width (ns)

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

f

Class CPR 1 or 2

i

Linearity (dB/dB)

b

±0.03

Loss threshold (dB)

0.01

Loss resolution (dB)

0.001

Sampling resolution (m)

Multimode: 0.04 to 2.5
Singlemode: 0.04 to 5

Sampling points

Up to 256 000

Distance uncertainty (m)

g

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

Measurement time

User-defined (60 min. maximum)

Typical real-time refresh (Hz)

3

Stable source output power (dBm)

h

–3 (1300 nm), –7 (1550 nm)

GENERAL SPECIFICATIONS

Size (H x W x D)

130 mm x 36 mm x 252 mm (5

1

/

8

in x 1

7

/

16

in x 9

15

/

16

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

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.