D-Link DEM-S2801SR 25GBase-SR SFP28 Multimode Transceiver 100m 850nm
The D-Link DEM-S2801SR is a high-performance 25G SFP28 transceiver designed for serial optical data communication applications in enterprise networks and data centers. Operating at 850nm wavelength over multimode fiber, this transceiver delivers blazing-fast 25 Gigabit speeds for distances up to 100m on OM4 fiber or 70m on OM3 fiber. Featuring hot-swappable design and full Digital Optical Monitoring (DOM) support, the DEM-S2801SR provides reliable, high-speed connectivity for modern 25G Ethernet networks.
Key Features
-
25Gbps Data Rate: High-speed 25.78125Gbps throughput for demanding network applications
-
Multimode Fiber Support: Up to 100m on OM4 or 70m on OM3 multimode fiber with 50/125 µm cable
-
850nm VCSEL Technology: Optimized wavelength for efficient short-reach multimode transmission
-
Hot-Pluggable Design: Install and remove without network shutdown or device reboot
-
Digital Optical Monitoring: Real-time monitoring of transceiver performance and operating status
-
Industry Compliance: Fully compliant with SFP28 MSA, IEEE 802.3by standards, RoHS, CE, FCC, and laser safety standards
High-Speed 25G Connectivity
The DEM-S2801SR delivers 25 Gb/s over a single lane, providing a powerful upgrade path from 10G infrastructure. The transceiver uses industry-standard duplex LC connectors and supports multimode fiber deployment in data centers, enterprise wiring closets, and service provider environments. With its low power consumption of just 0.3A maximum current at 3.3V, this SFP28 module is ideal for high-density deployments.
Reliable Performance and Monitoring
Built-in DDM/DOM (Digital Diagnostic Monitoring) functionality enables real-time monitoring of critical operating parameters including optical power levels, temperature, bias current, and supply voltage. This allows network administrators to proactively manage transceiver health and troubleshoot issues before they impact network performance. The hot-swappable design means you can install or replace transceivers without shutting down your network, minimizing costly downtime.
Wide Compatibility
The DEM-S2801SR is designed to work seamlessly with D-Link switches supporting 25G SFP28 ports, as well as other compatible network equipment. The module conforms to the SFP28 MSA form factor with compact dimensions (57.3mm width × 13.7mm depth × 8.5mm height) and weighs just 25g, making it perfect for space-constrained rack environments and high-density switch installations.
What's in the Box
- D-Link DEM-S2801SR 25GBase-SR SFP28 Transceiver
- Quick Installation Guide
Full Specifications
Performance
| Data Rate |
25.78125 Gbps (25000 Mbit/s) |
| Transceiver Type |
25GBASE-SR |
| Form Factor |
SFP28 |
| Wavelength |
850nm |
| Maximum Distance |
100m (OM4), 70m (OM3) |
| Fiber Type |
Multimode Fiber (MMF) |
| Cable Diameter |
50/125 µm |
| Connector Type |
Duplex LC/PC |
Optical Specifications
| Transmit Power (Min) |
-9.1 dBm |
| Transmit Power (Max) |
2.4 dBm |
| Receive Power (Min) |
-11 dBm |
| Receive Power (Max) |
2.4 dBm |
Power
| Input Voltage |
3.3V |
| Maximum Current |
0.3A |
Environmental
| Operating Temperature |
0 to 70°C |
| Storage Temperature |
-40 to 85°C |
| Operating Humidity |
5 to 95% (non-condensing) |
| Storage Humidity |
5 to 95% (non-condensing) |
Physical
| Dimensions (W × D × H) |
57.3 × 13.7 × 8.5 mm |
| Weight |
25g |
Compliance
| Standards |
MSA, IEEE 802.3by, RoHS, CE, FCC, VCCI, LVD |
| Laser Safety |
EN 60825-1, EN 60825-2, FDA 21CFR1040.10 Class 1 Laser Product |
| Hot-Pluggable |
Yes |
| DDM/DOM Support |
Yes |
Specifications are sourced from the manufacturer product page and may be updated.
