Exfo FTB-7000 OTDR Series for FTB-500 Manual de usuario descargar pdf (Pagina 319)

OTDR 305

A Technische Daten

WICHTIG

Änderungen an den nachstehenden technischen Daten sind ohne

Vorankündigung möglich. Die in diesem Kapitel enthaltenen

Informationen dienen nur zur Referenz. Die aktuellen technischen

Daten dieses Produkts finden Sie auf der EXFO-Website unter

www.exfo.com.

SPECIFICATIONS

All specifications below apply to the FTB-7200D-12CD-23B multimode (MM)/singlemode (SM) model and the FTB-7200D-12CD multimode-only version.

Model Wavelength (nm)

Dynamic range

b, c

(dB) Event dead zone

(m) Attenuation dead zone

(m)

FTB-7200D-12CD 850 ± 20/1300 ± 20 27/26 1/1 3/4

FTB-7200D-12CD-23B 1310 ± 20/1550 ± 20 36/34 1/1 4.5/5

Distance range (km) Multimode: 0.1, 0.3, 0.5, 1.3, 2.5, 5, 10, 20, 40

Singlemode: 1.3, 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

Launch conditions

Class CPR 1 or 2

Linearity (dB/dB) ±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 128 000

Distance uncertainty

(m) ± (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) –1.5 (1300 nm), –7 (1550 nm)

Visual fault locator (optional) Laser, 650 nm ± 10 nm

CW, typical P

out

in 62.5/125 μm: 3 dBm (2 mW)

NOTES

a. Typical.

b. Typical dynamic range with longest pulse and three-minute

averaging at SNR = 1.

c. Multimode dynamic range is specified for 62.5

μm fiber;a3dB

reduction is seen when testing 50

μm fiber.

d. Typical dead zone for multimode reflectance below –35 dB and

singlemode reflectance below –45 dB, usinga5nspulse.

e. For multimode port, controlled launch conditions allow 50

μm

and 62.5

μm multimode fiber testing.

f. Does not include uncertainty due to fiber index.

g. Typical output power is given at 1300 nm for multimode output

and 1550 nm for singlemode output.

SING LE MODE OTDR M ODU LE SPECIFICATIONS

Model

Wavelength

(nm) Dynamic Event Attenuation

range at 20 μs

(dB) dead zone

(m) dead zone

(m)

FTB-7200D-XXX 1310 ± 20/1550 ± 20 36/34 1 4.5/5

FTB-7300E-XXX-XX

1310 ± 20/1490 ± 10/1550 ± 20/1625 ± 10/1650 ± 5 39/35/37/39/37

0.8 4/4.5/4.5/4.5/4.5

FTB-7400E-XXXX 1310 ± 20/1383 ± 1/1550 ± 20/1625 ± 10 42/40/41/41 0.8 4/4/4.5/4.5

FTB-7500E-XX

1310 ± 20/1550 ± 20/1625 ± 10 45/45/45 0.8 4/4.5/4.5

FTB-7600E-XX 1310 ± 20/1550 ± 20/1625 ± 10 50/50/48

1/1.5/1 5/5/5

NOTES

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

i. Typical.

j. Typical dynamic range with a three-minute averaging at S NR = 1.

k. Typical dead zone of singlemode modules for reflectance below –45 dB, using a 5 ns pulse.

l. Typical dynamic range at 1550 nm for the FTB-7500E-0023B configuration is 2 dB lower.

m. With NZDS fiber (G.655).

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

o. SM Live port built in filter’s bandpass: 1625 nm ± 15 nm/1650 nm±5nm.

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

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