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DFE-852
D-Link 1 port 100Base-TX to 100Base-FX 100M Ethernet photoel...
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DFE-852 is a QSFP transceiver module engineered for high-performance data centers and enterprise networks. It delivers a robust 100G data rate using LC connectors over short-range multi-mode fiber links and supports both Ethernet and Fibre Channel protocols.
Designed in a compact QSFP form factor with precise physical dimensions, the DFE-852 offers reliable connectivity for telecom applications and high-density network environments. Its optimized design ensures it meets the rigorous demands of modern data centers while maintaining compatibility with leading network vendors.
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In a university campus environment, the DFE-852-D-Link 1-port 100Base-TX to 100Base-FX 100M Ethernet photoelectric converter (single-mode dual-fiber, SC interface, 1310 nm) links two academic buildings 12 km apart. This setup delivers stable 100 Mbps bandwidth, eliminates electromagnetic interference, and supports high-performance data and VoIP services across lecture halls and administrative offices.
A telecom operator deploys the DFE-852-D-Link 100M Ethernet photoelectric converter to bridge 100Base-TX copper Ethernet from the central office to a remote cell site up to 15 km away via single-mode dual-fiber (SC interface, 1310 nm). The converter ensures minimal signal attenuation, reliable 100 Mbps throughput, and simplified fiber deployment for backhaul traffic.
In a manufacturing plant, the DFE-852-D-Link 100Base-TX to 100Base-FX converter (single-mode dual-fiber, SC interface, 1310 nm) links the central SCADA control room to remote PLC cabinets 10 km away. It provides secure, EMI-free 100 Mbps transmission, real-time process monitoring, and reduces downtime by converting copper Ethernet ports to fiber.
To get the detailed certification, please go to the Compliance Center.
 DFE-852 |  DMC-515SC |  DGE-872 |  DGE-891/A |  DFE-851 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP | SFP+ | SFP | SFP+ | SFP |
| Data Rate | 100G | 10G | 10G | 10G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 850nm | 850 nm | 1310nm | 1310 nm | 1310 nm |
| Transmission Distance | Short-Range | Short-Range | Short-Range | Long-Range | Short-Range |
| Fiber Type | Multi-mode | Multi-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 100 meters | 300 meters | 80 km | 80 km | 10 km |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet, Fibre Channel | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Ethernet | Fiber | Fiber |
| Power Consumption | 5W | 2.5W | 3.5W | 3.5W | 3.5W |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista |
| Product Name | DFE-852 QSFP Transceiver Module | DMC-515SC 10GBASE-SR SFP+ Transceiver | DGE-872 High Performance 10G SFP Optical Transceiver | DGE-891/A High-Performance Long-Range 10G SFP+ Transceiver | DFE-851 10G SFP Transceiver |
| Height | 0.5 inches | 0.13 inches | 0.2 inches | 0.7 inches | 0.7 inches |
| Width | 1.0 inches | 0.59 inches | 0.5 inches | 0.6 inches | 0.5 inches |
| Depth | 1.0 inches | 0.87 inches | 0.6 inches | 1.2 inches | 0.9 inches |
| Weight | 0.05 lbs | 0.15 lbs | 0.05 lbs | 0.05 lbs | 0.1 lbs |
Long range fiber converter performed reliably across buildings. No signal degradation observed.
Works well in paired setup. Stable throughput over distance.
Easy installation and consistent link quality.
Good solution for extending Fast Ethernet over fiber.
Predictable performance and dependable operation.
The DFE-852 is a single-port, single-mode, dual-fiber Ethernet media converter that converts 100Base-TX copper to 100Base-FX fiber over SC connectors for distances up to 15 km at 1310 nm.
It provides one RJ-45 10/100Base-TX port and two SC connectors for 100Base-FX single-mode fiber.
It supports 10/100 Mbps auto-negotiation on the copper port and fixed 100 Mbps on the fiber port.
It uses single-mode dual-fiber cabling with SC-type connectors.