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L9-SD851G-S5CTC integrates an 850nm VCSEL laser and a PIN photodiode to deliver reliable 1G Fibre Channel and Gigabit Ethernet connectivity up to 500m over 50/125μm MMF. Packaged in an industry-standard 1×9 footprint with duplex optical termination, the module operates under a 3.3V supply within a 0 to +70°C case temperature range.
| LINK-PP Part Number | L9-SD851G-S5CTC | Vendor Name | LINK-PP |
| Form Factor | 1x9 | Max Data Rate | 1.25Gbps |
| Wavelength | 850nm | Max Cable Distance | 500m |
| Connector | Duplex SC | Fiber Type | MMF |
| Transmitter Type | VCSEL | Receiver Type | PIN |
| Receiver Sensitivity | <-18dBm | Supply Voltage | 3.3V (Default) / 5V (Optional) |
| Operating Temperature Range | 0 to 70°C | Application |
Gigabit Ethernet Fiber Channel Digital Video Transmission System Other Optic Link |
LINK-PP L9-SD851G-S5CTC is a dependable 1×9 optical transceiver built for short-range 1G Fibre Channel and Ethernet networks. It brings together an 850nm laser, a duplex SC port, and 500m reach on multimode fiber for stable and budget-friendly connections.
This transceiver follows the standard Multi-Sourced 1×9 pinout, making it easy to drop into existing circuit boards without design changes. It features CML differential inputs and outputs for clean electrical signals, along with a TTL signal detect pin that instantly reports optical link status.
A 1Gbps speed makes this optical module ideal for smooth, steady data flow in storage area networks (SANs). Network administrators commonly install it in storage arrays, host bus adapters, and edge SAN switches.
The 850nm operating wavelength pairs efficiently with multimode fiber for budget-friendly optical connections. It helps reduce overall power consumption while sending clean, stable signals across local equipment rooms.
Link distances up to 500m over 50/125µm multimode fiber easily span across server racks, floors, and nearby office buildings. This practical distance lets you connect devices throughout a facility without paying extra for single-mode fiber gear.
The built-in duplex SC optical connector offers a firm snap-in lock that stops cables from coming loose by accident. It fits standard SC multimode patch cords directly, saving time during setup and maintenance.
LINK-PP L9-SD851G-S5CTC 1G 1×9 transceiver module complies with ISO 9001, CE, RoHS, and FCC standards to ensure safe operation, environmental compliance, and consistent manufacturing quality.
Every 1×9 optical transceiver completes rigorous electrical, optical, and thermal screening before shipment to guarantee stable network performance in the field.
Official industry compliance proves that each optical module meets global safety rules and international environmental protection guidelines.
The industry-standard 1×9 pin layout enables seamless soldering and plug-in fit across diverse host boards without board redesigns.
Each 1G 1×9 optical transceiver passes thorough factory inspections to deliver stable network data transmission in continuous operation. You can explore our complete evaluation procedures by visiting the LINK-PP Test Support Center.
Verify central wavelength precision to ensure clean, stable optical output.
Inspect optical waveform clarity to guarantee low-noise, reliable signal quality.
Measure data transmission accuracy to prevent dropped packets during operation.
Check operating stability across thermal ranges to prevent link drops.
Every L9-SD851G-S5CTC 1×9 optical transceiver is packed carefully to maintain product integrity during warehouse handling and transport. Standard packaging methods guarantee that your hardware arrives safely and in ready-to-use condition.
Shield optical components from electrostatic discharge damage during handling.
Protect optical transceivers against accidental impacts and vibrations during movement.
Pack and dispatch outgoing optical module orders promptly from storage facilities.
Dispatch transceivers to global destinations through dependable overseas courier partners.
Solder the L9-SD851G-S5CTC 1×9 transceiver pins onto your board and supply 3.3V power to the module. Plug in a duplex SC multimode fiber cable to link storage switches and server drives. The transceiver instantly delivers steady 1 Gbps data speeds across your local SAN setup.
LINK-PP offers end-to-end technical support, from pre-sales consultation to post-deployment assistance, ensuring smooth integration and reliable network performance.
Professional guidance to help you select the optimal L9-SD851G-S5CTC module for your network design and application needs.
Validated compatibility with LINK-PP switches and other mainstream networking platforms for seamless deployment.
Comprehensive step-by-step guidance for installation, configuration, and initial setup, ensuring accurate deployment and reliable, stable operation from the start.
Ongoing technical support throughout the product lifecycle, delivering long-term stability for enterprise and carrier-grade networks.
LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.
15-day no-reason return and refund
Free replacement for dead-on-arrival (DOA) or defective items within the initial period
Free repair services for manufacturing defects throughout the warranty period
Warranty exclusions and conditions apply
Compatible | LINK-PP | LINK-PP | LINK-PP | LINK-PP | LINK-PP | LINK-PP |
Data Rate (Max) | 1.25Gbps | 1.25Gbps | 1.25Gbps | 1.25Gbps | 1.25Gbps | 1.25Gbps |
Wavelength | 850nm | 1310nm | 1310nm | 850nm | 1310nm | 1310nm |
Connector | Duplex SC | Duplex SC | Duplex SC | Duplex SC | Duplex SC | Duplex SC |
Cable Distance (Max) | 500m | 20km | 10km | 500m | 20km | 20km |
Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | -40 to 85°C | 0 to 70°C | 0 to 70°C |
Fiber Type | MMF | SMF | SMF | MMF | SMF | SMF |
Form Factor | 1x9 | 1x9 | 1x9 | 1x9 | 1x9 | 1x9 |
Transmitter Type | VCSEL | FP | FP | VCSEL | FP | FP |
Receiver Type | PIN | PIN | PIN | PIN | PIN | PIN |
Supply Voltage | 3.3V (Default) / 5V (Optional) | 3.3V | 3.3V (Default) / 5V (Optional) | 3.3V | 3.3V (Default) / 5V (Optional) | |
Application | Gigabit Ethernet Fiber Channel Digital Video Transmission System Other Optic Link | WDM Application SDH STM-8/ SONET OC-24 Gigabit Ethernet | Gigabit Ethernet Fiber Channel Digital Video Transmission System Other Optic Link | WDM Application、SDH STM-8/ SONET OC-24、Gigabit Ethernet | Gigabit Ethernet Fiber Channel Digital Video Transmission System Other Optic Link |
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