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1.25G Transceivers

  • 1.25Gb/s SFP TX1490/RX1550nm 160KM Optical Transceiver Module
1.25Gb/s SFP TX1490/RX1550nm 160KM Optical Transceiver Module

1.25Gb/s SFP TX1490/RX1550nm 160KM Optical Transceiver Module

  • Product description: ACS-GE-B4955-CR 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 dri
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1.25Gb/s SFP TX1490/RX1550nm 160km Optical Transceiver Module

ACS-GE-B4955-CR





Features

l Up to 1.25Gb/s data links

l 1490nm DFB laser transmitter and APD photo-detector

l Up to 160km on 9/125µm SMF

l Hot-pluggable SFP footprint

l BIDI 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

Applications

l Switch to Switch Interface

l Gigabit Ethernet

l Switched Backplane Applications

l Router/Server Interface

l Other Optical Links

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

1470

1490

1510

nm

Spectrum Bandwidth(RMS)

σ

1

nm

Side Mode Suppression Ratio

SMSR

30

dB

Average Optical Power

PAVG

1

6

dBm

1

Optical Extinction Ratio

ER

9

dB

Transmitter OFF Output Power

POff

-45

dBm

Transmitter Eye Mask

Compliant with 802.3z(class 1 laser safety)

2


Parameter

Symbol

Min.

Typical

Max

Unit

Notes

Receiver

Center Wavelength

λC

1530

1550

1570

nm

Receiver Sensitivity (Average Power)

Sen.

-33

dBm

3

Input Saturation Power (overload)

Psat

-10

dBm

LOS Assert

LOSA

-41

dB

4

LOS De-assert

LOSD

-34

dBm

4

LOS Hysteresis

LOSH

0.5

2

6

dBm

Notes:

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

2. Transmitter eye mask definition.

3. Measured with Light source 1490nm, 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-GE-B4955-CR

1.25

TX1490/RX1550nm

160KM SMF

0~70 commercial

ACS-GE-B4955-CRI

1.25

TX1490/RX1550nm

160KM SMF

-40~85 Industrial


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