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Name:
DFE-852
- Description:
- D-Link 1 port 100Base-TX to 100Base-FX 100M Ethernet photoelectric converter, single-mode dual-fiber, SC interface, maximum transmission 15Km, wavelength 1310nm
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DFE-852 Overview
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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Explore more options from Transceivers or explore other D-Link products.
DFE-852 Specifications
| Product Type | Transceiver |
| Form Factor | QSFP |
| Data Rate | 100G |
| Connector Type | LC |
| Wavelength | 850nm |
| Transmission Distance | Short-Range |
| Fiber Type | Multi-mode |
| Max Distance | 100 meters |
| Supported Protocols | Ethernet, Fibre Channel |
| Network Interface | Fiber |
| Power Consumption | 5W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco, Juniper, Huawei, Arista |
| Product Name | DFE-852 QSFP Transceiver Module |
| Height | 0.5 inches |
| Width | 1.0 inches |
| Depth | 1.0 inches |
| Weight | 0.05 lbs |
DFE-852 Use Case
Campus Network Backbone Extension with DFE-852-D-Link 100Base-TX to 100Base-FX Converter
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.
Telecom Cell Site Ethernet Transport over 15 km Single-Mode Fiber
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.
Industrial SCADA Network Integration Using DFE-852-D-Link Fiber Converter
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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 10G | 10G | 100G | 10G | 10G |
| Depth | 1.2 inches | 0.6 inches | 1.0 inches | 0.9 inches | 0.87 inches |
| Fiber Type | Single-mode | Single-mode | Multi-mode | Single-mode | Multi-mode |
| Form Factor | SFP+ | SFP | QSFP | SFP | SFP+ |
| Height | 0.7 inches | 0.2 inches | 0.5 inches | 0.7 inches | 0.13 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 80 km | 80 km | 100 meters | 10 km | 300 meters |
| Network Interface | Fiber | Ethernet | Fiber | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 3.5W | 3.5W | 5W | 3.5W | 2.5W |
| Product Name | DGE-891/A High-Performance Long-Range 10G SFP+ Transceiver | DGE-872 High Performance 10G SFP Optical Transceiver | DFE-852 QSFP Transceiver Module | DFE-851 10G SFP Transceiver | DMC-515SC 10GBASE-SR SFP+ Transceiver |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet | Ethernet |
| Transmission Distance | Long-Range | Short-Range | Short-Range | Short-Range | Short-Range |
| Wavelength | 1310 nm | 1310nm | 850nm | 1310 nm | 850 nm |
| Weight | 0.05 lbs | 0.05 lbs | 0.05 lbs | 0.1 lbs | 0.15 lbs |
| Width | 0.6 inches | 0.5 inches | 1.0 inches | 0.5 inches | 0.59 inches |
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Questions & Answers
Q
What is the D-Link DFE-852 100Base-TX to 100Base-FX media converter?
A
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.
Q
Which interfaces are available on the DFE-852?
A
It provides one RJ-45 10/100Base-TX port and two SC connectors for 100Base-FX single-mode fiber.
Q
What network speed does the DFE-852 support?
A
It supports 10/100 Mbps auto-negotiation on the copper port and fixed 100 Mbps on the fiber port.
Q
What type of fiber and connector does the DFE-852 use?
A
It uses single-mode dual-fiber cabling with SC-type connectors.
Q
How far can the DFE-852 transmit data?
A
It can transmit up to 15 kilometers over single-mode fiber at a 1310 nm wavelength.
Q
Can the DFE-852 work plug-and-play?
A
Yes. It is an unmanaged media converter with plug-and-play installation—no configuration required.
Q
What is the operating wavelength of the DFE-852?
A
The fiber port operates at a 1310 nm wavelength.
Q
What power requirements does the DFE-852 have?
A
It requires a 5 V DC external power adapter (included) with typical consumption under 2 W.
Q
What is the operating temperature range for the DFE-852?
A
It operates between 0 °C and 50 °C (32 °F to 122 °F) ambient temperature.
Q
How do I install the DFE-852 media converter?
A
Connect your RJ-45 cable, attach SC fiber strands, plug in the 5 V adapter, and power on—link/activity LEDs will confirm proper connection.
Q
Is the DFE-852 compatible with multi-mode fiber?
A
No. It is designed exclusively for single-mode fiber and does not support multi-mode connections.
Q
Can I daisy-chain multiple DFE-852 units?
A
Yes. You can link multiple units to extend fiber segments, maintaining 100 Mbps throughput per segment within distance limits.
Q
What LED indicators does the DFE-852 provide?
A
It features LEDs for Power, Fiber Link/Activity, and 10/100 Mbps status on the RJ-45 port.
Q
Does the DFE-852 offer surge protection?
A
Yes. It includes built-in ESD surge protection on both copper and fiber ports for enhanced reliability.
Q
What is the mean time between failures (MTBF) for the DFE-852?
A
The MTBF exceeds 100,000 hours under standard operating conditions.
Q
Where can I buy the D-Link DFE-852 converter?
A
It’s available through D-Link authorized resellers, major online retailers like Amazon, and professional networking distributors.
Q
What warranty does the D-Link DFE-852 include?
A
It includes a limited lifetime warranty backed by D-Link’s 24/7 technical support.
