D-Link DEM-311GT 1000Base-SX GBIC Transceiver - 1-Port LC - Multi-Mode Fiber - 0. 55 km
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Product Features
Technical Overview
This GBIC transceiver operates on the 1000Base-SX standard, delivering Gigabit Ethernet speeds up to 1000 Mbps over multi-mode optical fiber. It uses an LC duplex connector for precise alignment and low insertion loss, ensuring stable signal integrity.
The module supports distances up to 0.55 km (0.34 miles), making it suitable for backbone links, server connections, and inter-building networks. Its design complies with industry standards for interoperability and performance in enterprise and data center environments.
Relevant factors for this section include Application/Usage, Total Number of Ports, Connector Type, Interfaces/Ports Details. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The DEM-311GT offers a reliable and efficient solution for extending Gigabit Ethernet networks over fiber optic cabling. Its plug-and-play installation simplifies upgrades and maintenance without disrupting network operations.
High-Speed Connectivity
Enables full Gigabit Ethernet performance over fiber, reducing latency and supporting bandwidth-intensive applications like video streaming and large file transfers.
- 1000 Mbps throughput
- Low signal attenuation
- Stable data transmission
Compatibility and Interoperability
Designed to work with D-Link and third-party devices featuring GBIC slots, ensuring broad deployment flexibility across existing network infrastructure.
- Standard GBIC form factor
- LC connector compatibility
- Multi-mode fiber support
Deployment / Use Cases
This transceiver is ideal for environments where copper Ethernet limitations, such as distance or electromagnetic interference, necessitate fiber optic solutions. It bridges network segments efficiently while maintaining high data integrity.
Common use cases include connecting network switches in different building floors, linking servers in data centers, and integrating with media converters for hybrid copper-fiber networks. Its 0.55 km range supports typical campus and enterprise layouts.
Building Backbone Links
Extend Gigabit Ethernet between wiring closets or floors using multi-mode fiber, ensuring reliable connectivity for office networks and VoIP systems.
Data Center Interconnects
Connect servers and storage devices over fiber to leverage high bandwidth and avoid copper-related interference in dense rack environments.
Physical Profile
The DEM-311GT features a compact design with dimensions of 2.25 inches in height, 1.19 inches in width, and 0.47 inches in depth. This small footprint allows easy installation in crowded network equipment without obstructing airflow or adjacent ports.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 2.25" (57.15 mm), 1.19" (30.23 mm), 0.47" (11.94 mm). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 1.19" (30.23 mm)
- Depth
- 0.47" (11.94 mm)
- Height
- 2.25" (57.15 mm)
Highlights
- 1000Base-SX GBIC transceiver for Gigabit Ethernet over fiber
- LC duplex connector ensures reliable optical connections
- Supports multi-mode fiber with up to 0.55 km distance
- Hot-swappable for easy installation and maintenance
- Delivers 1000 Mbps data transfer rates
- Compact form factor fits standard GBIC slots
- Ideal for data networking and backbone applications
- Backed by a 2-year limited warranty
Specifications
| Specifications | |
|---|---|
| Manufacturer | D-Link Systems, Inc |
| Manufacturer Part Number | DEM-311GT |
| Brand Name | D-Link |
| Product Name | 1000Base GBIC |
| Product Type | GBIC |
| Technical Information | |
| Application/Usage | Data Networking |
| Interfaces/Ports | |
| Total Number of Ports | 1 |
| Connector Type | LC |
| Interfaces/Ports Details | 1 x LC 1000Base-SX |
| Media & Performance | |
| Media Type Supported | Optical Fiber |
| Fiber Mode Supported | Multi-mode |
| Ethernet Technology | Gigabit Ethernet |
| Network Technology | 1000Base-SX |
| Maximum Distance Supported | 0.55 km (0.34 Mile) |
| Physical Characteristics | |
| Height | 2.25" (57.15 mm) |
| Width | 1.19" (30.23 mm) |
| Depth | 0.47" (11.94 mm) |
| Miscellaneous | |
| Country of Origin | Taiwan |
| Warranty | |
| Limited Warranty | 2 Year |
FAQ
What type of fiber cable does the DEM-311GT support?
The DEM-311GT supports multi-mode optical fiber cables. Multi-mode fiber is commonly used for short to medium distance applications, such as within buildings or campuses, and works with LC connectors for efficient data transmission up to 0.55 km.
What is the maximum data transfer rate of this GBIC transceiver?
This transceiver supports Gigabit Ethernet speeds, delivering a maximum data transfer rate of 1000 Mbps (1 Gbps). It uses the 1000Base-SX standard to ensure high-performance connectivity for bandwidth-intensive network tasks.
How far can the DEM-311GT transmit data over fiber?
The maximum supported distance is 0.55 kilometers (approximately 0.34 miles). This range makes it suitable for connecting network devices across different floors or buildings in enterprise and campus environments.
What connector type does this transceiver use?
It uses an LC duplex connector. LC connectors are compact and provide low insertion loss, making them ideal for high-density network equipment and ensuring stable optical connections in fiber optic installations.
Is the DEM-311GT hot-swappable?
Yes, this GBIC transceiver is hot-swappable. You can install or replace it without powering down the network device, minimizing downtime and simplifying maintenance in live network environments.
What warranty coverage does D-Link provide for this product?
D-Link offers a 2-year limited warranty for the DEM-311GT. The warranty covers repair or replacement of defective hardware, subject to terms and conditions, and applies to original purchases from authorized resellers in eligible regions.
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