D-Link DEM-310GT Compatible 1000BASE-LX SFP 1310nm 10km DDM Duplex LC/UPC SMF Optical Transceiver Module

• DGS Series Switches: DGS-1210, DGS-1510, DGS-3130, DGS-3630, and DGS-3420 series.

• DXS Series Aggregation Switches: DXS-1210 and DXS-3400 (using 1G SFP ports).

• D-Link Industrial Switches: DIS-200G and DIS-300G series.

• Media Converters: DMC-G01LC and other D-Link chassis-based media converters.

• Plug-and-Play: Fully recognized by the D-Link firmware without the need for manual configuration or third-party unlocking.

 Application Scenarios

• SMB Network Backbones: Cost-effective 1G 1310nm 10km fiber links for connecting office floors or separate building wings.

• IP Surveillance Infrastructure: Providing stable 1.25G LX SFP connectivity for long-distance outdoor PoE switch uplinks.

• Fiber-to-the-Business (FTTB): Reliable 1000BASE-LX SFP deployment for ISP-managed customer premise equipment (CPE).

• Enterprise LAN Extension: High-stability 1.25G 1310nm SFP modules for interconnecting server rooms up to 10km apart.

FAQ for D-Link DEM-310GT SFP Module:

• Is the HYTOPTODEVICE DEM-310GT fully compatible with the D-Link DGS-1510 series? Yes. Our modules are flashed with the D-Link specific EEPROM code, ensuring they are recognized as genuine DEM-310GT replacements by the DGS switch management interface.

• Does this D-Link compatible SFP support Digital Optical Monitoring (DOM)? Absolutely. This 1.25G LX SFP with DDM (Digital Diagnostic Monitoring) allows you to monitor real-time RX/TX power, temperature, and voltage directly through the D-Link Web GUI or CLI.

• Why buy D-Link DEM-310GT from a source manufacturer like HYTOPTODEVICE? As a source factory with self-sufficient core materials, we eliminate brand markups. You get wholesale 1G SFP prices and direct quality control, saving you significant costs on large-scale deployments.

• Can I use this 10km LX module with Multi-mode Fiber (MMF)? This module is designed for Single-mode Fiber. For short-range MMF applications (up to 550m), a Mode Conditioning Patch (MCP) cable is required to ensure signal stability and prevent link errors.

• D-Link DEM-310GT SFP "No Display" Issue？"No Display" usually means the switch cannot detect or read the SFP module's information. It’s not a failure of the optical link itself, but a communication failure between the switch and the module's DDM (DOM) chip.What are the most common causes?The causes as following:

  1. Incompatibility: The DEM-310GT is a Cisco-compatible 1.25G SFP. Many non-Cisco switches (e.g., HPE/Aruba, Juniper, Mikrotik, Ubiquiti) may block it for not being an approved vendor.

  2. Poor Contact: Dust, oxidation, or improper seating of the SFP's electrical contacts.

  3. Switch Port Issue: The specific port may be disabled or malfunctioning.

  4. Faulty Module: The SFP itself is defective.

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,UL & 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: