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DGE-894/B
D-Link 4-port 10/100/1000Base-T to 1-port 1000Base-LX Gigabi...
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DGE-894/B is a QSFP transceiver engineered to deliver 100G data rate performance for high-speed Ethernet networks. Designed with LC connectors for optimal fiber coupling, this module supports short-range transmission over multi-mode fiber and is ideal for data center, enterprise, and telecom applications.
Built in a compact form factor, the DGE-894/B ensures reliable operation with precise physical dimensions, making it suitable for dense deployments. It adheres to rigorous standards with compatibility across leading networking platforms and is optimized for high-performance network interfaces in environments demanding efficient, high-speed data connectivity.
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Scenario: A multi-building university campus requires a high-capacity backbone to connect its administrative building and research labs over a 15 km span. Two DGE-894/B 4-port 10/100/1000Base-T to 1-port 1000Base-LX converters are deployed in pairs on single-mode fiber (TX:1550/RX:1310 nm, SC interface), seamlessly bridging campus switches. They can interoperate with existing DGE-891/A units for phased expansion. Outcome: Delivers uninterrupted Gigabit throughput, low-latency VoIP and e-learning services, reduces media-conversion points by 60 %, and cuts operational overhead through centralized fiber management.
Scenario: A petrochemical processing facility must isolate control-room SCADA networks from field-level Ethernet devices across a 10 km single-mode run. A pair of DGE-894/B converters provides four 10/100/1000Base-T ports for PLCs and sensors, uplinking via 1000Base-LX SC fiber. Compatibility with DGE-891/A enables mixed-vendor rollouts during maintenance windows. Outcome: Ensures EMI-immune, real-time data exchange with sub-millisecond latency, enhances process reliability, and lowers unplanned downtime by 30 %, while simplifying network diagnostics.
Scenario: A municipal security department deploys HD IP cameras in outlying districts up to 20 km from its central operations center. Paired DGE-894/B converters (TX:1550/RX:1310 nm, SC interface) aggregate camera uplinks onto a single fiber strand. They integrate seamlessly with DGE-891/A endpoints in legacy installations. Outcome: Provides resilient, high-bandwidth video transport with minimal signal loss, accelerates incident response through real-time monitoring, and scales to hundreds of cameras without adding fiber cores.
To get the detailed certification, please go to the Compliance Center.
 DGE-894/B |  DFE-851 |  DMC-515SC |  DFE-861/B |  DMC-300SC | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP | SFP | SFP+ | SFP | SFP |
| Data Rate | 100G | 10G | 10G | 10G | 1G |
| Connector Type | LC | LC | LC | LC | SC |
| Wavelength | 1310 nm | 1310 nm | 850 nm | 1310 nm | 850nm |
| Transmission Distance | Short-Range | Short-Range | Short-Range | Long-Range | Short-Range |
| Fiber Type | Multi-mode | Single-mode | Multi-mode | Single-mode | Multi-mode |
| Max Distance | 150 meters | 10 km | 300 meters | 80 km | 300 meters |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet, Fibre Channel | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Ethernet |
| Power Consumption | 4.5W | 3.5W | 2.5W | 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 | DGE-894/B QSFP 100G Short Range Transceiver | DFE-851 10G SFP Transceiver | DMC-515SC 10GBASE-SR SFP+ Transceiver | DFE-861/B Optical Transceiver Module | DMC-300SC Digital Media Converter |
| Height | 0.35 inches | 0.7 inches | 0.13 inches | 1.0 inches | 0.45 inches |
| Width | 0.82 inches | 0.5 inches | 0.59 inches | 2.0 inches | 1.20 inches |
| Depth | 1.30 inches | 0.9 inches | 0.87 inches | 0.5 inches | 1.70 inches |
| Weight | 0.15 lbs | 0.1 lbs | 0.15 lbs | 0.2 lbs | 0.10 lbs |
Single fiber converter works reliably over long distance. Stable gigabit link with no packet loss.
Paired easily and link came up instantly. Good for extending networks between buildings.
Reliable media converter with predictable performance.
Consistent throughput and no compatibility issues.
Solid choice for long range fiber connections.
The DGE-894/B is a D-Link 4-port 10/100/1000Base-T to 1-port 1000Base-LX Gigabit Ethernet photoelectric converter designed for single-mode fiber applications.
The DGE-894/B supports single-mode single fiber via an SC simplex interface for 1000Base-LX transmission.
The DGE-894/B delivers reliable data transmission over single-mode fiber up to 20 kilometers.
The converter transmits at 1550 nm and receives at 1310 nm to optimize long-distance fiber performance.