SFP-25G-SR-S-C-ST StarTech.com SFP28 Module, 25G Multimode Transceiver
SFP-25G-SR-S-C-ST Overview
The SFP-25G-SR-S-C-ST is a StarTech.com SFP28 optical transceiver designed for 25Gbps Ethernet connectivity over multimode fiber. This Cisco-compatible 25GBASE-SR module uses an 850nm wavelength, LC duplex connector, and supports transmission distances of up to 100 meters (328 feet). It is MSA-compliant and supports Digital Diagnostics Monitoring (DDM/DOM) for easier network monitoring and troubleshooting. With full-duplex operation and low power consumption below 1.2W, it is well suited for high-bandwidth applications including data center networking, virtualization, high-performance storage, data migration, and short-range switch-to-switch connections.
85.01 AED
Description
| Specification | Details |
|---|---|
| Part Number | SFP-25G-SR-S-C-ST |
| Brand | StarTech.com |
| Module Type | SFP28 Optical Transceiver |
| Network Speed | 25Gbps |
| Maximum Data Rate | 25.78Gbps |
| Optical Standard | 25GBASE-SR |
| Fiber Type | Multimode Fiber (MMF) |
| Wavelength | 850nm Tx/Rx |
| Connector | LC Duplex |
| Maximum Distance | Up to 100m / 328ft |
| Operating Mode | Full Duplex |
| DDM/DOM | Supported |
| Power Consumption | Less than 1.2W |
| Compatibility | Cisco-compatible / MSA-compliant |
| Operating Temperature | 0°C to 70°C |
| Warranty | Lifetime |
Frequently Asked Questions
1. What is the SFP-25G-SR-S-C-ST StarTech.com transceiver?
The SFP-25G-SR-S-C-ST is a 25Gbps SFP28 optical transceiver designed for high-speed Ethernet connectivity over multimode fiber and is compatible with supported Cisco networking equipment.
2. What fiber type does this 25G SFP28 module use?
This SFP28 transceiver uses multimode fiber (MMF) and features an LC duplex connector with an 850nm optical wavelength for short-range 25GbE network connections.
3. What is the maximum transmission distance of the SFP-25G-SR-S-C-ST?
The SFP-25G-SR-S-C-ST supports transmission distances of up to 100 meters (328 feet) over compatible multimode fiber cabling.
4. Does this StarTech.com SFP28 module support digital diagnostics?
Yes. The module supports Digital Diagnostics Monitoring (DDM/DOM), allowing compatible network equipment to monitor important transceiver operating information.
5. Where can a 25GBASE-SR SFP28 transceiver be used?
This transceiver is suitable for data centers, enterprise networks, virtualization environments, high-performance storage, data migration, server connectivity, and short-range switch-to-switch links requiring high-bandwidth 25Gbps Ethernet.

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