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1.25G Transceivers

  • 1.25Gb/s SFP 850nm 550M MM Optical Transceiver Module
1.25Gb/s SFP 850nm 550M MM Optical Transceiver Module

1.25Gb/s SFP 850nm 550M MM Optical Transceiver Module

  • Product description: ACS-GE850-SR Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA), The transceiver consists of five sections: the LD driver
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Features

l Up to 1.25Gb/s data links

l 850nm VCSEL laser transmitter and PIN photo-detector

l Up to 550m on 50/125um MMF

l Hot-pluggable SFP footprint

l Duplex LC/UPC type pluggable optical interface

l Low power dissipation

l Metal enclosure, for lower EMI

l RoHS compliant and lead-free

l Support Digital Diagnostic Monitoring interface

l Single +3.3V power supply

l Compliant with SFF-8472

l Case operating temperature

Commercial: 0 ~ +70oC

Industrial: -40 ~ +85oC

Optical Characteristics

The following optical characteristics are defined over the Recommended Operating Environment unless otherwise specified.

Parameter

Symbol

Min.

Typical

Max

Unit

Notes

Transmitter

Center Wavelength

λC

830

850

860

nm

Spectrum Bandwidth(RMS)

σ

0.85

nm

Average Optical Power

PAVG

-9

-3

dBm

1

Extinction Ratio

ER

9

dB

Transmitter OFF Output Power

Poff

-45

dBm

Transmitter Eye Mask Definition

Compliant with 802.3z(class 1 laser safety)

2


Parameter

Symbol

Min.

Typical

Max

Unit

Notes

Receiver

Center Wavelength

λC

770

850

860

nm

Sensitivity (Average Power)

Sen.

-17

dBm

3

Input Saturation Power(overload)

Psat

0

dBm

LOS Assert

LOSA

-35

dBm

4

LOS De-assert

LOSD

-18

dBm

4

LOS Hysteresis

LOSH

0.5

dB

Notes:

1. Measure at 2^7-1 NRZ PRBS pattern

2. Transmitter eye mask definition.

3. Measured with Light source 1310nm, ER=9dB; BER =<10^-12 @PRBS=2^7-1 NRZ

4. When LOS de-asserted, the RX data+/- output is High-level (fixed).
Ordering Information

Part Number

Data Rate (Gb/s)

Wavelength (nm)

Transmission Distance(m)

Temperature (oC)

ACS-GE850-SR

1.25

850

550m MMF

0~70 commercial

ACS-GE850-SR

1.25

850

550m MMF

-40~85 Industrial


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