H3C SFP-GE-LH40-SM1310 Compatible 1000BASE-EX SFP 1310nm 40km DDM Duplex LC/UPC SMF Optical Transceiver Module

The HYTOPTODEVICE H3C compatible 40km SFP is rigorously tested for compatibility with:

• H3C S-Series Ethernet Switches: S5130, S5560, S6520, S7500E, S10500 series.

• H3C MSR Series Routers: MSR 810, MSR 2600, MSR 3600, MSR 5600 series.

• H3C CloudEngine & Data Center Switches: Specific models requiring 1G SFP connectivity.

• Legacy 3Com Hardware: Compatible with various 3Com-branded systems inherited by H3C.

• Regional Campus Interconnect: Linking remote office buildings or school campuses up to 40km apart using single-mode fiber infrastructure.

• Metropolitan Area Networks (MAN): Providing reliable 1.25G fiber uplinks for government or enterprise networks where 10km (LX) reach is insufficient.

• ISP Access & Aggregation: Ideal for high-stability fiber handoffs requiring a strong 1310nm LH laser in carrier-grade environments.

FAQ for H3C SFP-GE-LH40-SM1310 Compatible SFP Transceiver:

Q1: Is the HYTOPTODEVICE module recognized by H3C Comware OS? A: Yes. Our modules are flashed with the correct H3C EEPROM signatures, ensuring they are identified as genuine and compatible by Comware V5/V7 without "unsupported transceiver" logs or port-lock issues.

Q2: Does this 40km module support DDM/DOM? A: Absolutely. It includes full Digital Diagnostic Monitoring (DDM), allowing you to monitor real-time temperature, voltage, and optical tx/rx power via the H3C CLI using the display transceiver interface command.

Q3: Can I use this in an H3C 10G SFP+ port? A: Yes, most H3C SFP+ ports are backward compatible with 1G SFP modules. After inserting the SFP-GE-LH40-SM1310 compatible module, the port will typically auto-negotiate to 1000Mbps.

Q4: Do I need to use an optical attenuator for short-range links? A: Yes. For fiber links shorter than 5km, we recommend using a 10dB LC optical attenuator. This protects the sensitive receiver from being over-saturated by the high-power 1310nm laser.

Q5: H3C SFP-GE-LH40-SM1310 not working？ A:Follow these quick steps:

1. Check DDM: Run show transceiver detail on the switch. Look for Low Rx Power or faults.

2. Clean & Reseat: Clean the LC fiber connectors and firmly re-seat the SFP module.

3. Verify Fiber: Ensure you are using a single-mode (SMF) patch cable. Check for bends or breaks.

4. Swap Test: If possible, test the SFP in a different port or swap it with a known-working module to isolate the fault.

If DDM shows "Low Tx Power" or "Fault", the module is likely defective and needs replacement

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: