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D-Link DEM-311GT-LW 850nm SFP Transceiver
- Type: SFP Transceiver Module
- Standard: 1000BASE-SX
- Fiber Type: Multimode Fiber (MMF)
- Wavelength: 850nm
- Data Rate: Gigabit Ethernet (1.25Gbps)
- Connector: LC Duplex
- Maximum Distance: Up to 550 meters (depending on fiber grade)
- Hot-pluggable for easy installation and replacement
- Compatible with D-Link switches and other MSA-compliant devices
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Product Overview
The D-Link DEM-311GT-LW is a 1000BASE-SX SFP (Small Form-factor Pluggable) transceiver module. It operates at a wavelength of 850nm and is designed for multimode fiber connections, providing Gigabit Ethernet connectivity over short distances.
Technical Information
| SKU | DEM-311GT-LW |
| Brand | D-Link |
| Product Type | SFP Transceiver |
| Standard | 1000BASE-SX |
| Fiber Type | Multimode Fiber (MMF) |
Additional Specifications
| Wavelength | 850nm |
| Data Rate | 1.25 Gbps |
| Connector | LC Duplex |
| Max Distance | 550m (OM2) |
| Form Factor | SFP |
Product Description
The D-Link DEM-311GT-LW is a compact and versatile SFP (Small Form-factor Pluggable) transceiver module designed to provide Gigabit Ethernet connectivity over multimode fiber optic cables. Adhering to the 1000BASE-SX standard, this module operates at an 850nm wavelength, making it suitable for short-reach network links within buildings or data centers. The LC duplex connector ensures a secure and reliable connection to the fiber optic infrastructure. This transceiver module is hot-pluggable, meaning it can be installed or removed from network equipment without the need to power down the device. This feature significantly simplifies network maintenance and upgrades, minimizing downtime. The DEM-311GT-LW is engineered for compatibility with a wide range of D-Link managed switches and routers, as well as other network devices that comply with the Multi-Source Agreement (MSA) standards for SFP modules. With a maximum transmission distance of up to 550 meters on OM2 multimode fiber (and shorter distances on OM1), this SFP module is an ideal solution for establishing high-speed network connections between switches, servers, or other network endpoints in local area networks. It enables the extension of Gigabit Ethernet connectivity where copper cabling is impractical or insufficient.

