Chengdu Lingluo-Tech Co., Ltd.

1.25Gb/s SFP CWDM 40km DDM Duplex LC optical transceiver

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Product Detail

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Product Description

The CWDM Transceiver products provide optical networking equipment manufacturers with a timely and cost effective tool in supporting the unceasing demand for higher bandwidth equipment build-outs in the enterprise access and metropolitan area networks. There are 18 center wavelengths available from 1270nm to 1610nm. The 20nm channel spacing allows for un-cooled laser operation, a high yield manufacturing process, and lower cost Mux/Demux technology, thus providing a complete cost effective solution for various data and telecom applications.

Product Feature

Up to 1.25Gb/s Data Links


Duplex LC connector

Up to 40km on 9/125μm SMF

18-Wavelength CWDM 1270n~1610nm Available

CWDM DFB laser transmitter

Single +3.3V Power Supply

Monitoring Interface Compliant with SFF-8472

Operating temperature range: 0to 70/-40℃ to 85℃

RoHS compliant and Lead Free


Gigabit Ethernet

Fiber Channel

CWDM Network

Product Specification

Parameter Data Parameter Data
Form Factor SFP Wavelength CWDM
Max Data Rate 1.25Gbps Max Transmission Distance 40km
Connector Duplex LC Extinction Ratio 9dB
Transmitter Type CWDM DFB Receiver Type PINTIA
Diagnostics DDM Supported Temperature Range 0 to 70°C/


TX Power -5~0dBm Receiver Sensitivity <-24dBm

Quality Test


TX/RX Signal Quality Testing


Rate Testing


Optical Spectrum Testing


Senstivity Testing


Reliability and Stability Testing


Endface Testing

Quality Certificate


CE Certificate

safd (2)

EMC report

safd (3)

IEC 60825-1

safd (1)

IEC 60950-1


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