Fiber style

Unit

SM G652D

MM 50/125

MM 62.5/125

OM3, OM4-300 50/125

condition

nm

1310/1550

850/1300

850/1300

850/1300

attenuation

dB/km

≤0.36/0.23

≤3.0/1.0

≤3.0/1.0

≤3.0/1.0

Dispersion

1310nm

Ps/(nm*km)

≤18

.....

.....

.....

1550nm

Ps/(nm*km)

≤22

.....

.....

.....

Bandwidth

850nm

MHZ. KM

.....

≧400

≧400

≧500

1300nm

MHZ. KM

.....

≧800

≧800

≧1500

Zero dispersion wavelength

nm

≧1302,

≤1322

.....

.....

.....

Zero dispersion slope

nm

≤0.091

.....

.....

.....

PMD Maximum Individual Fiber

≤0.2

.....

.....

.....

PMD Design Link Value

Ps(nm2*km)

≤0.08

.....

.....

.....

Fiber cutoff wavelength λc

nm

≧1180, ≤133 0

.....

.....

.....

Cable cutoff wavelength λcc

nm

≤1260

.....

.....

.....

MFD

1310nm

um

9.2±0.4

.....

.....

.....

1550nm

um

10.4±0.8

.....

.....

.....

Numerical Aperture (NA)

......

0.200±0.015

0.275±0.015

0.200±0.015

Step (mean        of      bidirectional measurement)

dB

≤0.05

≤0.10

≤0.10

≤0.10

Irregularities over fiber length

and point discontinuity

dB

≤0.05

≤0.10

≤0.10

≤0.10

Difference                    backscatter coefficient

dB/km

≤0.03

≤0.08

≤0.10

≤0.08

Attenuation uniformity

dB/km

≤0.01

.......

.......

.......