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DGE-872
D-Link 1 port 10/100/1000BASE-T to 1000BASE-LX Gigabit Ether...
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DGE-872 is an SFP optical transceiver module engineered to deliver a 10G data rate via LC connectors, optimized for short-range transmission over single-mode fiber. With a compact form factor and precise physical dimensions, this transceiver is designed to meet rigorous performance standards while supporting Ethernet and Fibre Channel protocols.
Ideal for data centers, enterprise networks, and telecom applications, the DGE-872 offers reliable connectivity and robust performance in high-density environments. Its well-defined specifications ensure seamless integration into modern network infrastructures, providing both efficiency and scalability for mission-critical deployments.
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In a multi-building university campus, IT teams deploy the DGE-872-D-Link 1-port Gigabit Ethernet photoelectric converter in single-mode dual-fiber to extend the core backbone across a 15 km underground fiber duct. Installed alone at each end, it seamlessly converts 10/100/1000BASE-T copper to 1000BASE-LX SC fiber at 1310 nm, delivering lossless connectivity between data centers and lecture hall switches. Outcome: Reliable high-speed backbone extension with sub-1 ms latency, zero packet loss, and simplified single-mode fiber management—supporting 4K lecture streaming and centralized security monitoring with enterprise-grade availability.
In a manufacturing plant’s automated production line, engineers mount multiple DGE-872 units into a D-Link DMC-1100 media converter chassis to aggregate Gigabit fiber links from remote machine control cabinets up to 20 km away. The 1310 nm single-mode dual-fiber converters ensure EM-noise-immune connectivity between SC-interface endpoints and the central SCADA server. Outcome: Deterministic, low-latency industrial Ethernet communication, reduced electromagnetic interference risk, and centralized hot-swap management—maximizing uptime and accelerating deployment in harsh factory environments.
A city municipality implements a smart-city CCTV solution by installing DGE-872 converters at remote roadside poles and in the central NVR room. The single-mode dual-fiber link runs up to 20 km at 1310 nm, carrying high-definition video streams from multiple IP cameras directly into the monitoring center’s switch. Outcome: Secure, high-bandwidth fiber transport with advanced surge protection, minimal maintenance, and plug-and-play installation—enabling 24/7 real-time video analytics and fast incident response without signal degradation.
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 DGE-872 |  DFE-855 |  DFE-851 |  DMC-1100 |  DGE-891/A | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP+ | SFP | SFP | SFP+ |
| Data Rate | 10G | 10G | 10G | 10G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1310nm | 1310 nm | 1310 nm | 1310 nm | 1310 nm |
| Transmission Distance | Short-Range | Long-Range | Short-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 80 km | 40 km | 10 km | 80 km | 80 km |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Ethernet | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 3.5W | 1.5 W | 3.5W | 2.5W | 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 | DGE-872 High Performance 10G SFP Optical Transceiver | DFE-855 High Performance 10G SFP+ Transceiver | DFE-851 10G SFP Transceiver | DMC-1100 Digital Media Converter | DGE-891/A High-Performance Long-Range 10G SFP+ Transceiver |
| Height | 0.2 inches | 0.33 inches | 0.7 inches | 0.7 inches | 0.7 inches |
| Width | 0.5 inches | 0.65 inches | 0.5 inches | 1.4 inches | 0.6 inches |
| Depth | 0.6 inches | 2.35 inches | 0.9 inches | 1.7 inches | 1.2 inches |
| Weight | 0.05 lbs | 0.12 lbs | 0.1 lbs | 0.35 lbs | 0.05 lbs |
Gigabit fiber converter has been reliable for our uplink. Stable SC connection and consistent throughput.
Works well for extending gigabit to a remote cabinet. No drops observed.
Good converter for multimode fiber runs. Setup was simple.
Link stays stable and performance is predictable.
Dependable solution for gigabit over fiber.
The DGE-872 is a Gigabit Ethernet photoelectric converter that converts 10/100/1000BASE-T copper signals to 1000BASE-LX single-mode fiber, supporting up to 20 km transmission over SC interface.
It features one RJ-45 port for 10/100/1000 Mbps copper Ethernet and one SC port for 1000BASE-LX single-mode fiber connections.
The converter supports up to 20 km of single-mode fiber link at 1310 nm wavelength.
It transmits optical signals at a 1310 nm wavelength optimized for long-distance single-mode fiber.