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Single Mode 1.25G 1310nm Dual SC 20km SMF 1x9 Optical Transceiver Module
Single Mode 1.25G 1310nm Dual SC 20km SMF 1x9 Optical Transceiver Module
Single Mode 1.25G 1310nm Dual SC 20km SMF 1x9 Optical Transceiver Module
Single Mode 1.25G 1310nm Dual SC 20km SMF 1x9 Optical Transceiver Module
Single Mode 1.25G 1310nm Dual SC 20km SMF 1x9 Optical Transceiver Module
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Single Mode 1.25G 1310nm Dual SC 20km SMF 1x9 Optical Transceiver Module
Single Mode 1.25G 1310nm Dual SC 20km SMF 1x9 Optical Transceiver Module
Single Mode 1.25G 1310nm Dual SC 20km SMF 1x9 Optical Transceiver Module
Single Mode 1.25G 1310nm Dual SC 20km SMF 1x9 Optical Transceiver Module
Single Mode 1.25G 1310nm Dual SC 20km SMF 1x9 Optical Transceiver Module

Single Mode 1.25G 1310nm Dual SC 20km SMF 1x9 Optical Transceiver Module

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Product Description

View Our Solutions
We draw on over 10 years of experience in chips and modules to integrate fast speeds, small size, power savings, and high performance in every module. We provide a full series of optical modules for fixed access, wireless access, carrier Ethernet, wavelength division multiplexing (WDM), and data communication networks.
Optical Transceiver Solutions
Product Specifications
Single Mode 1.25G 1310nm Dual SC 20km SMF 1x9 Optical Transceiver Module
Parameter Details
Part No.L9-SD311G-20CTC
Form Factor1x9
Max Data Rate1.25Gbps
Wavelength1310nm
Max Cable Distance20km
ConnectorDuplex SC
MediaSMF
Transmitter TypeFP
Receiver TypePIN
TX Power-10 ~ -3dBm
Receiver Sensitivity< -23dBm
ProtocolsMulti-sourced 1×9 protocol
Temperature Range0 to 70°C
Warranty5 Years
SampleAvailable
1x9 Transceiver Ordering Information
Model Number Description
L9-SD312M-02TTC51x9 2Mbps, 1310nm(FP), 2km, MMF, Duplex SC, 0℃-70℃
L9-SD312M-02TTI51x9 2Mbps, 1310nm(FP), 2km, MMF, Duplex SC, -40℃-85℃
L9-SD312M-20TTC51x9 2Mbps, 1310nm(FP), 20km, SMF, Duplex SC, 0℃-70℃
L9-SD312M-20TTI51x9 2Mbps, 1310nm(FP), 20km, SMF, Duplex SC, -40℃-85℃
L9-SD311G-S5CTC1x9 1.25Gbps, 1310nm(FP), 550m, MMF, Duplex SC, 0℃-70℃
L9-SD311G-10CTC1x9 1.25Gbps, 1310nm(FP), 10km, SMF, Duplex SC, 0℃-70℃
L9-SD311G-20CTC1x9 1.25Gbps, 1310nm(FP), 20km, SMF, Duplex SC, 0℃-70℃
L9-SD551G-80CTC1x9 1.25Gbps, 1550nm(DFB), 80km, SMF, Duplex SC, 0℃-70℃
Support Full Range of Optical Transceiver Solutions
Transceiver Product Range
Related SFP Cage
Why Choose Us
Quality Control
Manufacturing Power
Advanced Testing
Certifications
Profile Overview
As a specialized manufacturer of magnetic telecom and network components, we are certified by ISO9001:2000, ROSH, REACH, CE and UL. With advanced manufacturing and testing equipment imported from abroad, we maintain a production capacity of 3000K per month, ensuring short delivery times.

Our range includes a complete series of optical modules for fixed access, wireless access, carrier Ethernet, and data communication networks, as well as high-speed interconnect solutions for cloud computing and ultra-broadband networks.
Factory Overview
Production Line
Frequently Asked Questions
What types of components do you manufacture?
We specialize in magnetic telecom and networking components, including RJ45 connectors, LAN transformers, and a full range of SFP optical modules.
Is it possible to receive samples for testing?
Yes, we can provide free samples for quality evaluation. Customers are generally responsible for the associated shipping costs.
What is the standard delivery timeframe?
Items in stock are ready for immediate shipment. For mass production orders, the typical lead time is between 15 and 30 days.
What kind of warranty and technical support is provided?
We offer a 5-year warranty on transceiver modules and provide 24-hour online technical support to assist with integration and troubleshooting.
Do you accept OEM or ODM customized orders?
Yes, we welcome OEM and ODM inquiries. Please contact us with your specific requirements for a detailed discussion.
What is your manufacturing experience?
We have over 19 years of production experience in the industry and serve as a trusted partner for major global technology firms.

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