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Allied Telesis AT-MC102XLPCI User Manual

Page 40

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Chapter : Technical Specifications

40

Table 8. Fiber Optic Launch Power

Fiber

Type

1

1. MMF = Multimode Fiber

Fiber

Optic

Diameter

(microns)

Optical

Wavelength

Launch Power

(dBm)

2

2. The launch power is measured at one meter from the transmitter.

Min.

Avg.

Max.

MMF

50/125
or
62.5/125

1310 nm

-19.0

-16.8

-14.0

Table 9. Fiber Optic Receive Power

Fiber

Type

1

1. MMF = Multimode Fiber / SMF = Single-mode Fiber

Fiber

Optic

Diameter

(microns)

Optical

Wavelengt

h

Receive Power (dBm)

Min.

Typical

Saturation

MMF

50/125
or
62.5/125

1310 nm

-31.8

-34.5

-14.0

Table 10. Fiber Optic Cable Distance

Fiber Type

1

1. MMF = Multimode Fiber / SMF = Single-mode Fiber

Max.

Power /

Link

Budget

Min.

Distance

Spec.

2

2. The recommended minimum range is stated in all cases where

the maximum transmitter output power exceeds the receivers
saturation level. This is to prevent blinding or burning out of the
optical receiver on the far-end-node.

Max. Distance

Spec.

50/125 MMF
or
62.5/125 MMF

12.8 dB

0

2 km (1.2 mi)