Dorelink Dorelink

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

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.

Providing a full series of optical modules for fixed access, wireless access, carrier Ethernet, wavelength division multiplexing (WDM), and data communication networks.

Transceiver Solution
Product Specifications

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

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
SD312M-02TTC51x9 2Mbps, 1310nm(FP), 2km, MMF, Duplex SC, 0℃-70℃
SD312M-02TTI51x9 2Mbps, 1310nm(FP), 2km, MMF, Duplex SC, -40℃-85℃
SD312M-20TTC51x9 2Mbps, 1310nm(FP), 20km, SMF, Duplex SC, 0℃-70℃
SD312M-20TTI51x9 2Mbps, 1310nm(FP), 20km, SMF, Duplex SC, -40℃-85℃
SD312M-40TTC51x9 2Mbps, 1310nm(FP), 40km, SMF, Duplex SC, 0℃-70℃
SD312M-40TTI51x9 2Mbps, 1310nm(FP), 40km, SMF, Duplex SC, -40℃-85℃
SD851G-S5CTC1x9 1.25Gbps, 850nm(Vcsel), 500m, MMF, Duplex SC, 0℃-70℃
SD311G-S5CTC1x9 1.25Gbps, 1310nm(FP), 550m, MMF, Duplex SC, 0℃-70℃
SD311G-10CTC1x9 1.25Gbps, 1310nm(FP), 10km, SMF, Duplex SC, 0℃-70℃
SD311G-20CTC1x9 1.25Gbps, 1310nm(FP), 20km, SMF, Duplex SC, 0℃-70℃
SD311G-40CTC1x9 1.25Gbps, 1310nm(DFB), 40km, SMF, Duplex SC, 0℃-70℃
SD551G-20CTC1x9 1.25Gbps, 1550nm(DFB), 20km, SMF, Duplex SC, 0℃-70℃
SD551G-40CTC1x9 1.25Gbps, 1550nm(DFB), 40km, SMF, Duplex SC, 0℃-70℃
SD551G-80CTC1x9 1.25Gbps, 1550nm(DFB), 80km, SMF, Duplex SC, 0℃-70℃
Full Range Optical Transceiver Solutions
Product Range
Related Products & Cage Options
SFP Cage
Why Choose Us
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Professional Manufacturing & Quality Control

We are a specialized manufacturer of magnetic telecom and network components, certified by ISO9001:2000, ROSH, REACH, CE and UL. With advanced manufacturing and testing equipment, we ensure the highest standards for every product.

Our facilities maintain an abundant production capacity of 3000K per month, enabling short delivery times. We provide a complete series of optical modules including fixed access, wireless access, and high-speed interconnect solutions for cloud computing and ultra-broadband networks.

Factory 1 Factory 2
Frequently Asked Questions
Are you a factory or trading company?
We are a specialized manufacturer of magnetic telecom and networking components, including RJ45 connectors, LAN transformers, and SFP modules.
Can I get a sample before mass production?
Yes, we can offer you free samples to test quality, though shipping fees are typically covered by the customer.
What is your delivery time?
Items in stock are ready to ship immediately; mass production typically takes 15-30 days.
What after-service do you offer?
We provide a one-year guarantee period and offer 24-hour online technical support.
Can you accept OEM/ODM orders?
Yes, we welcome OEM/ODM inquiries. Please contact us to discuss your detailed requirements.
What is your core advantage?
With over 19 years of production experience, we have established long-term partnerships with major industry leaders such as Intel and Jabil.
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