Dorelink Dorelink

Single Mode 155M BiDi 1310nm-Tx/1550nm-Rx FC SMF 60km Air/Ground TTL 1x9 Optical Transceiver

Product Description

Our Solutions

Drawing on over 10 years of specialized experience in chips and modules, we integrate high speeds, compact dimensions, power efficiency, and superior performance into every component.

We offer a comprehensive series of optical modules designed for fixed access, wireless infrastructure, carrier Ethernet, wavelength division multiplexing (WDM), and data communication networks.

Optical Transceiver Solution
Single Mode 155M BiDi 1310nm-Tx/1550nm-Rx FC SMF 60km Air/Ground TTL 1x9 Optical Transceiver
Technical Specifications
Form Factor1x9
Max Data Rate155Mbps
Wavelength1310nm-Tx/1550nm-Rx
Max Cable Distance60km
ConnectorFC
MediaSMF
Temperature Range0 to 70°C
Warranty5 Years
SampleAvailable upon request
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-SD312M-40TTC51x9 2Mbps, 1310nm(FP), 40km, SMF, Duplex SC, 0℃-70℃
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-40CTC1x9 1.25Gbps, 1310nm(DFB), 40km, SMF, Duplex SC, 0℃-70℃
L9-SD551G-80CTC1x9 1.25Gbps, 1550nm(DFB), 80km, SMF, Duplex SC, 0℃-70℃
Full Range of Optical Transceiver Solutions
Solutions Overview
Related SFP Cage
Why Choose Us
Advantage 1
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Manufacturing Excellence

As a specialized manufacturer of magnetic telecom and network components, we are certified by ISO9001:2000, RoHS, REACH, CE, and UL. Our facilities are equipped with advanced manufacturing and testing technology to ensure the highest quality standards.

Established in 1997, we currently employ approximately 2,000 skilled professionals. With a production capacity of 3,000K units per month, we provide rapid delivery and high-speed interconnect solutions for cloud computing and ultra-broadband networks globally.

Production Facility
Quality Control
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 request a sample before mass production?
Yes, we provide free samples for quality testing; the customer is responsible for the shipping fees.
What is the standard delivery time?
In-stock items are ready to ship immediately. For mass production, lead times typically range from 15 to 30 days.
What kind of after-sales service do you provide?
We offer a comprehensive one-year guarantee and 24-hour online technical support.
Do you accept OEM/ODM orders?
Yes, we welcome OEM and ODM inquiries to meet your specific requirements.
What are your core manufacturing advantages?
With over 19 years of production experience, we have established long-term partnerships with leading global technology firms.
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