D-Link DEM-431XT Compatible 10GBASE-SR/SW SFP+ 850nm 300m DOM Duplex LC/UPC MMF Optical Transceiver Module

Compatibility and Supported Devices
   The HYTOPTODEVICE D-Link DEM-431XT is a high-performance sfp-10g-sr 10gbase-sr sfp module designed for short-range data transmission. It was compatible with the following D-Link Switch Models:

• DXS Series: DXS-1100, DXS-1210, DXS-3400, and DXS-3610 high-density 10G switches.

• DGS Series: DGS-1510, DGS-1520, DGS-3130, DGS-3420, and DGS-3630 stackable managed switches.

• Storage & Accessories: Compatible with D-Link DSN series SAN storage and SFP+ media converters.

Application Scenarios
  This versatile 10Gbps fiber transceiver is ideal for various networking environments requiring short-reach, high-speed connectivity:

1. Top-of-Rack (ToR) Switch Interconnects: Reducing latency in high-density data centers.

2. Campus Network Backbones: Connecting servers and switches across adjacent buildings.

3. Storage Area Networks (SAN): Reliable links for Fiber Channel over Ethernet (FCoE) applications.

 Key Product Parameters 

Connectivity Solutions(Applications)




Features：

FAQ for D-Link DEM-431XT Compatible SFP+Transceiver Modules

Q1:What is the maximum distance of 10gbase-sr? A:The maximum distance of 10GBASE-SR depends entirely on the type and quality of the multimode fiber (MMF) cabling used.It can transmit up to 300m with OM3 MMF,400m with OM4 MMF.

Q2:How can I find the SFP-10G-SR with fast shipping available?A:Choose HYTOPTODEVICE – as a core-material self-sufficient factory, we maintain massive stock of SFP-10G-SR transceivers and ship within 24 hours for most orders. Bulk orders ship in 3-5 days. No delays, no backorders.

Q3:Is sfp-10g-sr compatible with 1gb?A:No, the SFP-10G-SR does not support 1Gbps; it is a fixed-rate transceiver designed for 10GBASE-SR Ethernet, and its internal hardware does not support auto-negotiation or downscaling to 1Gbps. While most 10G SFP+ switch ports are backward compatible with 1G SFP modules, the SFP-10G-SR module itself cannot establish a 1Gbps link unless you use the dedicated "dual-rate" (1G/10G) transceiver.

Q4:What is the difference between 10gbase sr and 10gbase sw?A:While they use same 850nm wavelength, transmit with Multimode Fiber, The key difference between 10GBASE-SR and 10GBASE-SW is the networking environment and framing protocol. The date rate and Protocol of SR is 10.3125 Gbps and Ethernet framing. SW is 9.953 Gbps and SONET/SDH framing.they are designed for different networks.SR for LAN (Local Area Network),SW for WAN (Wide Area Network).

Q5:What is 10gbase-sr?A:10GBASE-SR is an industry-standard physical layer specification for transmitting 10 Gigabit Ethernet data over short distances using multimode fiber optic cables. It is the most commonly used fiber optic standard in data centers and enterprise server rooms for connecting switches, routers, and servers.

Q6:What is sfp 10g sr​?A:The SFP-10G-SR is a hot pluggable optical transceiver module with a speed of 10.3Gbps, a wavelength of 850nm, and a transmission distance of 300 meters (OM3, MMF). It is designed for 10 Gigabit Ethernet connections via multimode fiber and is an industry standard for short-distance data transmission in data center and enterprise network environments.

Q7:The link is "Up" but I have high packet loss. Why? A:There could be many reasons, but these two are typical: 1. Dirty connectors:  Even tiny dust can obstruct signal transmit. Please use a one-click fiber cleaner.2. Fiber optic cable bending: Ensure the fiber optic cable bending radius is not too small (avoid severe 90-degree bends).

Q8:what is cisco sfp 10g sr?A:The Cisco SFP-10G-SR is a high-speed multimode optical module with a 10.3125Gbps data rate, 850nm wavelength, and a transmission distance of 300 meters over OM3 MMF. It is widely used in enterprise networking and data centers.

Q9:Is sfp-10g-sr compatible with firepower 2130​?A:Yes, the SFP-10G-SR is compatible with the Cisco Firepower 2130 (FPR2130).The Firepower 2130 features a fixed SFP+ port supporting 10 Gigabit Ethernet.
 
Q10:Is SFP-10G-SR hot-swappable?A:HYTOPTODEVICE fiber optical modules are hot-pluggable, hot Pluggable SFP+MSA Compliant.you can plug or unplug the transceiver module while the switch is powered on without damaging the hardware.

Q11: What fiber cable type is required for this SFP-10G-SR transceiver? A: This alcatel lucent sfp 10g sr transceiver requires Multimode Fiber (MMF), typically OM3(transmit up to 300m) or OM4(transmit up to 400m）, with a Duplex LC connector.

Q12: Does the HYTOPTODEVICE D-Link DEM-431XT module support DDM? A: Yes, it supports Digital Optical Monitoring (DOM), allowing engineers to monitor real-time parameters like temperature, voltage, laser bias current and Tx/Rx power.

Quality Assurance：Your Trusted Optical Transceiver Source

HYTOPTODEVICE is a vertically integrated manufacturer of high-performance optical transceivers. By controlling core materials at the source, we ensure every SFP module meets the highest standards of reliability and customization.

• Vertical Integration: In-house core material production ensures a stable, self-sufficient supply chain for all optical modules.

• Total Traceability: End-to-end oversight from raw components to final transceiver assembly guarantees 100% controllability.

• Bespoke Solutions: Expert-led R&D provides customized SFP transceiver designs tailored to your specific technical needs.

• 24-Hour Response: Our technical team guarantees a primary response to any inquiry or quality concern within 24 hours.

Carrier-Grade Quality. Factory-Direct Control. Rapid Response.

Quality Certification & Compliance：

At HYTOPTODEVICE, our quality commitment is backed by industry-standard validations. From fiber optical transceiver manufacturing to final inspection, our processes ensure global compliance and reliability.

We adhere to rigorous standards for our SFP modules and network solutions:

• ISO 9001: Certified quality management and production consistency.

• CE & FCC: Fully compliant for seamless Global Market Access.

• RoHS: Committed to environmental responsibility and hazardous material control.

• Proven Reliability: Rigorous testing to reduce compliance risk and ensure safety.

Certified Quality. Global Standards. Guaranteed Performance.

Rigorous Industrial Product Testing：

   

100% 3rd Party Compatible：

Partial Test Demonstration：