Cisco GLC-LH-SMD Compatible 1000BASE-LX SFP 1310nm 10km DDM Duplex LC/UPC SMF Optical Transceiver Module

Our modules are 100% coded to bypass the "unsupported transceiver" error on the following Cisco Gigabit SFP switch models:

• Cisco Catalyst Series: 2960-X, 2960-S, 2960-Plus, 3560-X, 3650-24TD, 3750-G, 3850-48T, and Cisco Catalyst 9200/9300 series.

• Cisco Router Series: ISR 4000 (4321, 4331, 4431, 4451) and ASR 1000 series.

• Cisco Nexus Data Center Switches: Nexus 3000, 5000, and 9000 series 1G SFP ports.

• Industrial Networking: Cisco IE-2000 and IE-4000 industrial Ethernet switches.

 Application Scenarios

• Enterprise Campus Fiber Backbone: Cost-effective 1G 1310nm 10km fiber links between campus buildings.

• ISP Metropolitan Area Networks (MAN): High-volume 1.25G LX SFP deployment for residential broadband distribution.

• Data Center Rack Connectivity: Reliable 1000BASE-LX SFP transceiver for server-to-switch 1G fiber connections.

• Industrial Automation Control: Stable fiber optic SFP modules for ruggedized Cisco IE switch environments.

FAQ for Cisco GLC-LH-SMD SFP Module:

• Will HYTOPTODEVICE GLC-LH-SMD trigger the "Cisco unsupported transceiver" error? No. Our modules are pre-programmed with Cisco compatible EEPROM code, allowing them to be recognized as Cisco GLC-LH-SMD genuine replacements without needing hidden CLI commands.

• Does this 1.25G LX 10km SFP support Digital Optical Monitoring (DOM)? Yes. This SFP with DDM (Digital Diagnostic Monitoring) allows you to monitor real-time RX/TX optical power, temperature, and voltage directly through the Cisco IOS interface.

• Why buy from a direct SFP source manufacturer like HYTOPTODEVICE? By using self-sufficient core materials, we offer a wholesale 1.25G SFP price while maintaining 100% quality control. You save on the "brand tax" while getting factory-direct fast shipping.

• Can I use this 10km 1310nm SFP on multi-mode fiber (MMF) legacy links? Yes, this 1.25G 1310nm 10km transceiver can operate over MMF for short distances (approx. 550m) if used with a Mode Conditioning Patch (MCP) cable to prevent signal loss.

• What is the warranty for HYTOPTODEVICE Cisco compatible fiber modules? We offer a 3-year warranty and lifetime technical support for all our 1.25G 1310nm 10km SFP transceivers, ensuring long-term peace of mind for network integrators.

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: