Dorelink
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.
A full series of optical modules are provided for fixed access, wireless access, carrier Ethernet, wavelength division multiplexing (WDM), and data communication networks.
| Form Factor | 1x9 |
| Max Data Rate | 1.25Gbps |
| Wavelength | 850nm |
| Max Cable Distance | 500m |
| Connector | Duplex SC |
| Media | MMF |
| Transmitter Type | VCSEL |
| Receiver Type | PIN |
| TX Power | -10 ~ -3dBm |
| Receiver Sensitivity | < -23dBm |
| Protocols | Multi-sourced 1×9 protocol |
| Temperature Range | 0 to 70°C |
| Warranty | 5 Years |
| Sample | Available |
| Model Number | Description |
|---|---|
| L9-SD312M-02TTC5 | 1x9 2Mbps, 1310nm(FP), 2km, MMF, Duplex SC, 0℃-70℃ |
| L9-SD312M-02TTI5 | 1x9 2Mbps, 1310nm(FP), 2km, MMF, Duplex SC, -40℃-85℃ |
| L9-SD312M-20TTC5 | 1x9 2Mbps, 1310nm(FP), 20km, SMF, Duplex SC, 0℃-70℃ |
| L9-SD312M-20TTI5 | 1x9 2Mbps, 1310nm(FP), 20km, SMF, Duplex SC, -40℃-85℃ |
| L9-SD312M-40TTC5 | 1x9 2Mbps, 1310nm(FP), 40km, SMF, Duplex SC, 0℃-70℃ |
| L9-SD851G-S5CTC | 1x9 1.25Gbps, 850nm(Vcsel), 500m, MMF, Duplex SC, 0℃-70℃ |
| L9-SD311G-S5CTC | 1x9 1.25Gbps, 1310nm(FP), 550m, MMF, Duplex SC, 0℃-70℃ |
| L9-SD311G-10CTC | 1x9 1.25Gbps, 1310nm(FP), 10km, SMF, Duplex SC, 0℃-70℃ |
| L9-SD311G-40CTC | 1x9 1.25Gbps, 1310nm(DFB), 40km, SMF, Duplex SC, 0℃-70℃ |
| L9-SD551G-80CTC | 1x9 1.25Gbps, 1550nm(DFB), 80km, SMF, Duplex SC, 0℃-70℃ |




Specialized manufacturer of magnetic telecom and network components, certified by ISO9001:2000, ROSH, REACH, CE and UL, with advanced manufacturing and testing equipment. Established in 1997, we currently have approximately 2000 employees. With a production capacity of 3000K per month, we ensure short delivery times.
We provide a complete series of optical modules and high-speed interconnect solutions for fixed access, wireless, carrier Ethernet, WDM, and cloud computing networks. We design, manufacture, and sell products worldwide using the latest optoelectronic technologies.

