AddOn DEM-311GT-AO 1000Base-SX SFP Transceiver - MMF - 850nm - 550m - LC - DOM - Hot-Pluggable
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Product Features
Technical Overview
This SFP transceiver operates on the 1000Base-SX standard, which is optimized for short-wavelength multimode fiber runs within buildings or campuses. The 850nm VCSEL (Vertical-Cavity Surface-Emitting Laser) source ensures reliable performance over OM1, OM2, or OM3 fiber types.
The module's electrical interface complies with SFP MSA (Multi-Source Agreement) specifications, ensuring interoperability with a wide range of SFP-capable switches and routers. Its hot-pluggable design allows installation or replacement without powering down the host device, minimizing network downtime.
This section brings together practical product details such as Application/Usage, Total Number of Ports, Connector Type, Interfaces/Ports Details, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
This transceiver provides a cost-effective, high-performance solution for extending Gigabit Ethernet networks over fiber optic infrastructure. Its design prioritizes reliability, compatibility, and ease of deployment in enterprise and data center environments.
DOM Monitoring
Digital Optical Monitoring offers real-time visibility into transceiver health and link performance, aiding in troubleshooting and preventive maintenance.
- Monitors temperature
- Tracks optical power levels
- Reports laser bias current
Broad Compatibility
Engineered for compatibility with a range of D-Link xStack and managed switches, including models like DGS-3627G, DGS-3650, DGS-3100 series, and DES-6500 chassis.
- Supports multiple switch series
- Tested for interoperability
- Hot-pluggable for easy swaps
TAA Compliance
Manufactured in the United States, this transceiver meets Trade Agreements Act requirements, making it suitable for government and public-sector procurement.
- U.S. origin
- Meets federal sourcing rules
- Quality assured
Deployment / Use Cases
Ideal for short-distance Gigabit Ethernet links within buildings, such as connecting switches to servers, storage arrays, or between wiring closets. The 550-meter reach supports typical campus or data center layouts where copper Ethernet limits are exceeded.
Common applications include backbone connections in office networks, inter-switch links in stacked configurations, and uplinks from access to distribution layers. Its multimode fiber compatibility makes it a practical choice for pre-existing OM1/OM2/OM3 cabling installations.
Data Center Interconnects
Use for linking top-of-rack switches to aggregation switches over multimode fiber, providing high bandwidth and electrical isolation.
- 1 Gbps throughput
- Fiber optic reliability
- Hot-swappable maintenance
Enterprise Network Expansion
Extend Gigabit Ethernet beyond the 100-meter limit of copper cabling to connect remote offices or floors within a building.
- 550m reach
- LC connector simplicity
- DOM for monitoring
Physical Profile
The transceiver measures 0.47" (11.94 mm) in height, 1.19" (30.23 mm) in width, and 2.25" (57.15 mm) in depth, with a weight of approximately 6.40 oz (181.44 g). Its compact SFP form factor fits standard SFP slots in switches and routers, and the robust metal housing ensures durability and effective heat dissipation during operation.
- Width
- 1.19" (30.23 mm)
- Depth
- 2.25" (57.15 mm)
- Height
- 0.47" (11.94 mm)
- Weight
- 6.40 oz (181.44 g)
Highlights
- 1000Base-SX SFP transceiver for Gigabit Ethernet over multimode fiber
- 850nm wavelength with LC connector, supporting reaches up to 550 meters
- DOM (Digital Optical Monitoring) for real-time diagnostics and performance tracking
- Hot-pluggable design allows installation without network downtime
- TAA compliant and manufactured in the United States
- Compatible with D-Link xStack and managed switch series
- 1 Gbps data transfer rate, ideal for high-speed data networking
- Compact SFP form factor for easy integration into network equipment
Specifications
| Specifications | |
|---|---|
| Manufacturer | AddOn |
| Manufacturer Part Number | DEM-311GT-AO |
| Brand Name | AddOn |
| Product Model | DEM-311GT |
| Product Name | DEM-311GT 1000BASE-SX Mini Gigabit Interface Converter |
| Product Type | SFP (mini-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 Data Transfer Rate | 1 |
| Physical Characteristics | |
| Form Factor | Hot-pluggable |
| Height | 0.47" (11.94 mm) |
| Width | 1.19" (30.23 mm) |
| Depth | 2.25" (57.15 mm) |
| Weight (Approximate) | 6.40 oz (181.44 g) |
| Miscellaneous | |
| Compatibility | xStack Managed 24-Port Gigabit SFP Stackable L3 Switch(DGS-3627G) xStack Managed 24-Port Gigabit Stackable L3 Switch(DGS-3627) xStack Managed 48-Port Gigabit Stackable L3 Switch(DGS-3650) Managed 24-Port Gigabit Stackable (DGS-3100-24) Managed 24-Port Gigabit Stackable PoE Layer 2 Switch (DGS-3100-24P) Managed 48-Port Gigabit Stackable Layer 2 Switch (DGS-3100-48) Managed 48-Port Gigabit Stackable PoE Layer 2 Switch Stacking(DGS-3100-48P) Managed 24-Port 10/100 Stackable Switch (DES-3028) Managed 24-Port 10/100 Stackable PoE Switch Slots(DES-3028P) Managed 48-Port 10/100 Stackable Switch (DES-3052) xStack Managed 12-Port Gigabit SFP Standalone L3 Switch(DGS-3612G) xStack 24-Port Gigabit Unified Wireless Switch(DWS-3227) xStack 24-Port PoE Layer 2 Gigabit Switch(DXS-3227P) xStack 24-Port Layer 2 Gigabit Switch(DXS-3227) Managed 8-Port 10/100 PoE Switch + 1 Gigabit Port + 1 SFP Slot(DES-3010PA) xStack 48-Port Layer 2 Gigabit Switch(DXS-3250) Managed 8-Port 10/100 Switch + 1 Gigabit Port + (1) 100BASE-FX MMF Port(DES-3010FA) Managed 8-Port 10/100 Switch + 1 Gigabit Port + 1 SFP Slot(DES-3010GA) 9-slot 160Gbps Chassis Switch(DES-6500) |
| Country of Origin | United States |
User Manual
FAQ
What is the maximum distance this SFP transceiver supports?
This AddOn DEM-311GT-AO transceiver supports a maximum reach of 550 meters over multimode fiber optic cable. It uses 850nm wavelength light optimized for short-distance runs within buildings or campuses, making it suitable for typical enterprise network layouts where longer distances than copper Ethernet are required.
Does this transceiver support DOM monitoring?
Yes, this SFP transceiver features DOM (Digital Optical Monitoring), which provides real-time diagnostics for key parameters. DOM monitors temperature, voltage, laser bias current, transmitted optical power, and received optical power, allowing network administrators to track performance and identify potential issues proactively.
What type of fiber and connector does this module use?
This transceiver is designed for multimode fiber optic cabling and uses an LC duplex connector. It operates at an 850nm wavelength, which is standard for 1000Base-SX applications over multimode fiber types such as OM1, OM2, or OM3, ensuring compatibility with common fiber infrastructure.
Is this SFP transceiver hot-pluggable?
Yes, the AddOn DEM-311GT-AO is hot-pluggable, meaning it can be installed or removed from a compatible switch or router without powering down the device. This feature minimizes network downtime during maintenance or upgrades, allowing for seamless swaps in live environments.
Which D-Link switches is this transceiver compatible with?
This transceiver is compatible with a range of D-Link xStack and managed switches, including models like DGS-3627G, DGS-3650, DGS-3100 series, DES-3028, DES-3052, DGS-3612G, DWS-3227, DXS-3227P, DES-3010PA, DXS-3250, DES-3010FA, DES-3010GA, and DES-6500 chassis. It is engineered as a compatible alternative to the D-Link DEM-311GT.
What does TAA compliance mean for this product?
TAA (Trade Agreements Act) compliance indicates that this transceiver is manufactured in the United States, meeting federal sourcing requirements for government and public-sector procurement. This ensures it can be used in contracts that mandate domestic or designated country origins, adding value for regulated buyers.
| Qty | Price | Available |
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