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Technical specifications, Otdr – EXFO FTB-7000 OTDR for FTB-200 v2 User Manual

Page 307

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Technical Specifications

OTDR

293

All specifications valid at 23 °C ± 2 °C with an FC/PC connector, unless otherwise specified.

TECHNICAL SPECIFICATIONS

Model

a

FTB-7400E-XXXX

FTB-7400E-CWS

FTB-7400E-CWCL

Wavelengths (nm)

b

1310 ± 20/1383 ± 1/1550 ± 20/1625 ± 10

1470 ± 3/1490 ± 3/1510 ± 3/1530 ± 3

1550 ± 3/1570 ± 3/1590 ± 3/1610 ± 3

Dynamic range at 20

+s (dB)

c

42/40/41/41

41/41/ 41/41

41/41/ 40/40

Event dead zone (m)

d

0.8

0.8

0.8

Attenuation dead zone (m)

d

4/4/4.5/4.5

4/4.5/4.5

4/4.5/4.5

Distance range (km)

1.25, 2.5, 5, 10, 20, 40, 80, 160, 260, 400

1.25, 2.5, 5, 10, 20, 40, 80, 160, 260, 400

1.25, 2.5, 5, 10, 20, 40, 80, 160, 260, 400

Pulse width (ns)

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

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

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

Linearity (dB/dB)

b

± 0.03

± 0.03

± 0.03

Loss threshold (dB)

0.01

0.01

0.01

Loss resolution (dB)

0.001

0.001

0.001

Sampling resolution (m)

0.04 to 5

0.04 to 5

0.04 to 5

Sampling points

Up to 256 000

Up to 256 000

Up to 256 000

Distance uncertainty (m)

e

± (0.75 + 0.001 % x distance + sampling
resolution)

± (0.75 + 0.001 % x distance + sampling
resolution)

± (0.75 + 0.001 % x distance + sampling
resolution)

Measurement time

User-defined
(5 sec. minimum to 60 min. maximum)

User-defined
(5 sec. minimum to 60 min. maximum)

User-defined
(5 sec. minimum to 60 min. maximum)

Typical real-time refresh (Hz)

4

4

4

Stable source output power (dBm)

f

–4.5 (7400E-0023B)

Visual fault locator (optional)

b

Laser, 650 nm ± 10 nm
CW, P

out

in 62.5/125 μm: 1.5 dBm (1.4 mW)

Notes

a. For complete details on all available configurations, refer to the Ordering Information section.
b. Typical.
c. Typical dynamic range with a three-minute averaging at SNR = 1.
d. Typical dead zone of singlemode modules for reflectance below –45 dB, using a 5 ns pulse.
e. Does not include uncertainty due to fiber index.
f. Typical output power value at 1550 nm.