H3C QSFP-40G-LR4-WDM1300 Compatible 40G QSFP+ LR4 Transceiver Module | 40GBASE-LR4 1310nm(CWDM4）10km Duplex LC SMF Bulk & Wholesale | HYTOPTODEVICE

Q: What causes H3C switch unsupported transceiver warning with compatible 40G QSFP+ LR4?

Vendor lock or EEPROM coding mismatch is the primary trigger. HYTOPTODEVICE pre-programs our H3C QSFP-40G-LR4-WDM1300 compatible modules with matched vendor coding; if the alert persists, verify port speed settings, upgrade Comware firmware, or contact us for free module recoding service.

Q: Can I pair different brand 40G LR4 optical modules on two ends of single mode fiber link?

Cross-brand interoperability is fully supported for standard 40GBASE-LR4 links. MSA-defined specifications allow any compliant 40GBASE-LR4 transceivers to work together over OS2 single-mode fiber regardless of brand. HYTOPTODEVICE’s 40G QSFP+ LR4 modules follow these standards and can interoperate smoothly with other OEM optics.

Q: Can HYTOPTODEVICE 40G QSFP+ LR4 transceiver directly connect to existing 10G SFP+ network infrastructure?

Direct simple cable connection is not feasible for 10G SFP+ infrastructure. The four 10G sub-channels of this 40G LR4 module share one duplex fiber pair through CWDM wavelength multiplexing. 4×10G breakout requires CWDM mux/demux hardware or active converters instead of passive fan-out cables when using HYTOPTODEVICE H3C compatible 40G QSFP+ LR4 modules.

Q: What is typical power consumption for H3C compatible 40G QSFP+ LR4 transceiver from HYTOPTODEVICE?

Typical power draw sits between 2.0–3.0W with MSA maximum rated at 3.5W. The higher transmit power required for 10km single-mode transmission makes power consumption slightly higher than IR4 variants. All HYTOPTODEVICE 40G QSFP+ LR4 modules pass power consumption testing before shipment.

Q: What insertion loss and link budget can I plan for 40GBASE-LR4 10km fiber links using HYTOPTODEVICE optics?

40GBASE-LR4 standard supports maximum 2.6dB channel insertion loss. At 10km, chromatic dispersion stays within acceptable tolerance, so link loss from connectors, splices and patch panels is the main limiting factor. HYTOPTODEVICE’s H3C compatible 40G QSFP+ LR4 modules are fully tested to work within this link budget.

Q: Does HYTOPTODEVICE 40G QSFP+ LR4 module support per wavelength optical power monitoring via DOM?

Yes, per-lane optical power monitoring is fully available via DDM/DOM function. The switch CLI can read TX and RX power for all four CWDM wavelengths separately. This feature helps network engineers quickly identify weak signal lanes when deploying HYTOPTODEVICE H3C QSFP-40G-LR4-WDM1300 compatible transceivers.

Q: Why select 40G QSFP+ LR4 instead of DAC or AOC for campus metro 10km network links?

LR4 is the correct choice for single-mode campus and metro links up to 10km. DAC cables only support very short distances of a few meters, while AOC products rely on multimode fiber and have fixed cable lengths. HYTOPTODEVICE 40G QSFP+ LR4 modules deliver flexible long-distance single-mode connectivity for these use cases.

Q: How much insertion loss comes from LC patch panels and fiber splices in 40G LR4 10km fiber designs?

Budget 0.3–0.5dB loss for each mated LC connector pair or each fiber splice. With only 2.6dB total available link budget for 40GBASE-LR4, dirty or damaged LC connectors will rapidly consume your margin. HYTOPTODEVICE recommends inspecting all fiber terminations before installing our 40G QSFP+ LR4 modules.

Q: What compliance certificates are shipped with HYTOPTODEVICE H3C compatible 40G QSFP+ LR4 transceivers for export orders?

Our optical modules come with full global compliance certifications including CE, FCC, RoHS and REACH under ISO9001 controlled manufacturing. We can provide certificate copies upon request before buyers confirm bulk procurement of HYTOPTODEVICE 40G QSFP+ LR4 modules.

Q: Are HYTOPTODEVICE 40G QSFP+ LR4 transceivers protected against ESD damage during handling and hot swap?

Yes, our modules include built-in ESD protection and ship inside anti-static packaging for safe handling. They support hot-swap operation on H3C switches, but operators must ground themselves before touching HYTOPTODEVICE 40G QSFP+ LR4 transceivers to avoid static damage.

Source H3C QSFP-40G-LR4-WDM1300 compatible 40G QSFP+ LR4 transceiver from HYTOPTODEVICE factory. This 40GBASE-LR4 CWDM4 optic reaches 10km over OS2 single mode fiber, duplex LC. Bulk & wholesale for foreign trade buyers, flexible MOQ and OEM service available for global procurement.

NO.	Brand	Compatible P/N	Transceiver Type
1	H3C	QSFP-40G-LR4-WDM1300	QSFP-40G-SR4(Cisco)
2	HPE Aruba	JH232A	QSFP-40G-SR4(Huawei)
3	HPE BladeSystem	720190-B21	QSFP-40G-SR4(Dell)
4	HPE H3C	JG661A	QSFP-40G-CSR4
5	Huawei	QSFP-40G-LR4	QSFP-40G-IR4
6	Juniper	SRX-QSFP-40G-LR4	QSFP-40G-LG4
7	NVIDIA(Mellanox)	MC2210511-LR4	QSFP-40G-ER4
8	Palo Alto Networks	PAN-QSFP-40GBASE-LR4	QSFP-40G-ZR4
9	EdgeCore	ET6401-LR4
10	Fortinet	FG-TRAN-QSFP+LR

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Description

H3C QSFP-40G-LR4-WDM1300 Compatible 40G QSFP+ LR4 Transceiver Module | 40GBASE-LR4 1310nm(CWDM4）10km Duplex LC SMF Bulk & Wholesale | HYTOPTODEVICE

Product Overview

HYTOPTODEVICE manufactures H3C QSFP-40G-LR4-WDM1300 compatible 40G QSFP+ LR4 optical transceivers built to 40GBASE-LR4 CWDM4 standard at 1310nm wavelength band. This duplex LC hot-pluggable module delivers stable 10km transmission over OS2 single-mode fiber. It serves global network resellers, system integrators and foreign trade purchasers for H3C data center leaf-spine and enterprise core backbone interconnections. Preloaded H3C optimized EEPROM coding eliminates vendor lock transceiver alerts. The module supports real-time DDM diagnostics and hot-swap operation. We offer flexible MOQ and OEM customization for bulk wholesale orders and overseas procurement projects.

Key Technical Specifications

H3C Compatible	QSFP-40G-LR4-WDM1300	Vendor Name	HYTOPTODEVICE
Form Factor	QSFP+	Max Data Rate	44.6Gbps (4x 11.2Gbps)
Wavelength	1310nm	Max Distance	10km
Connector	Duplex LC	Transmitter Type	DFB CWDM
Cable Type	SMF	Receiver Type	PIN
TX Power	-7.0~2.3dBm	Receiver Sensitivity	< -13.7dBm
Power Consumption	≤3.5W	Modulation	NRZ
Protocols	OTN OTU3, 40G Ethernet, Fiber Channel, SATA/SAS3, MSA Compliant	Operation Temperature	0 to 70°C (32 to 158°F)

For detailed technical specifications, please refer to the Datasheet

Usage Guidelines & Best Practices

Fiber Choice: Works only with OS2 single-mode fiber. Multimode fiber is not compatible with this 1310nm CWDM4 module.
Distance Specification:Max 10km (OS2 SMF). Dirty end faces, excessive splicing and sharp bending reduce actual transmission distance.
Cleanliness & Dust: Keep dust caps on whenever unattached. Clean fiber end-faces with a optical cleaning pen before insertion; dust causes over 80% of optical link failures.
Installation Specification: Hot-swap supported. Follow ESD anti-static procedures and keep LC connectors clean for stable links.
Mode Setting: Configure 40G port speed via switch CLI. This LR4 module does not support breakout to 4×10G.

Operating Environment: 0°C–70°C commercial temperature range. Ensure cabinet ventilation to avoid optical power attenuation from overheating.

For detailed operation instructions, please refer to the User Guide.

Full Compatibility List and Supported Devices

1. Supported Hardware & Firmware

Preconfigured H3C-specific EEPROM coding enables seamless plug-and-play operation and suppresses unsupported transceiver alarms. Every transceiver undergoes real machine burn-in and temperature cycling validation for H3C Comware firmware.

Validated Platforms:

H3C S6800, S6860 series data center core switches
H3C S12500X-AF high-density chassis switching platforms
H3C S6805, S6825 enterprise and data center TOR switches
All H3C network hardware fitted with native 40GBASE-LR4 QSFP+ ports

2. Multi-Brand Cross Compatibility

Designed to open MSA mechanical and electrical specifications, this 40GBASE-LR4 transceiver supports cross-vendor interoperability. It operates reliably with Gigamon, Extreme, Dell, Cisco, Meraki, Arista and Juniper for mixed-vendor fabric upgrades and cross-site fiber links for multi-brand procurement orders.

3. Free Value-Added Services

Custom EEPROM programming for multi-platform compatibility
Sample testing available before bulk orders for project validation
Private label customization and professional deployment guides
Rigorous batch quality consistency control
Custom EEPROM configuration for special and legacy network setups
Free EEPROM recoding with 24/7 technical support

Primary Application Scenarios

Data center leaf-spine 40G uplink: 10km single-mode fiber interconnection between H3C core and leaf switches.
Enterprise inter-building backbone: Long-distance fiber links connecting separate buildings across campus sites.
H3C network hardware refresh: Direct drop-in replacement for aging H3C QSFP-40G-LR4-WDM1300 optical transceivers for foreign trade renewal procurement.
Colocation private metro network: 40G long-haul fiber links for distributed enterprise and colocation sites.
Mixed-vendor fabric rollout: Large-scale network deployment for system integrators and wholesale infrastructure clients.

Connectivity Solutions(Applications)

1.40GbE Switch-to-Switch Connectivity

2.40GbE Structured Cabling Interconnect

3.40GbE Switch-to-NIC Interconnection

4.Leaf-Spine Architecture

The Core Feature

1. 40G QSFP+ Connectivity for High-Density Data Centers

Speed without the overhead. The QSFP+ 40G 10KM transceiver delivers full 40G throughput into dense data center racks — drawing less power and occupying less space than you'd expect. High speed, high density, without the trade-offs.

HYTOPTODEVICE 40GBASE-LR4 replacement transceiver for enterprise buyer, reseller stock replenishment

2.100% Compatibility Verified. Zero-Risk Deployment.

Deploy with total confidence — every 40G QSFP+ LR4 module is rigorously compatibility-tested in the target switch environment before it ships, so your link-up is clean on the first try. No surprises. No downtime. Not sure it fits your switch? Watch our Compatibility Video.

HYTOPTODEVICE 100% COMPATIBLE 40G LR4 single mode optic

3.No Sampling. No Shortcuts. Every Unit Tested

While others rely on batch sampling, we test every single unit. Each QSFP+ LR4 transceiver is individually verified for optical compliance and continuous operational stability before it ships — so performance isn't a gamble, it's a guarantee. See the process yourself: take a virtual tour of our Test Center.

HYTOPTODEVICE 40G LR4 QSFP+ module comprehensive factory testing stable performance for various platforms bulk wholesale orders

FAQ

Q1: What causes H3C switch unsupported transceiver warning with compatible 40G QSFP+ LR4?

A: Vendor lock or EEPROM coding mismatch is the primary trigger. HYTOPTODEVICE pre-programs our H3C QSFP-40G-LR4-WDM1300 compatible modules with matched vendor coding; if the alert persists, verify port speed settings, upgrade Comware firmware, or contact us for free module recoding service.

Q2: Can I pair different brand 40G LR4 optical modules on two ends of single mode fiber link?

A: Cross-brand interoperability is fully supported for standard 40GBASE-LR4 links. MSA-defined specifications allow any compliant 40GBASE-LR4 transceivers to work together over OS2 single-mode fiber regardless of brand. HYTOPTODEVICE’s 40G QSFP+ LR4 modules follow these standards and can interoperate smoothly with other OEM optics.

Q3: Can HYTOPTODEVICE 40G QSFP+ LR4 transceiver directly connect to existing 10G SFP+ network infrastructure?

A: Direct simple cable connection is not feasible for 10G SFP+ infrastructure. The four 10G sub-channels of this 40G LR4 module share one duplex fiber pair through CWDM wavelength multiplexing. 4×10G breakout requires CWDM mux/demux hardware or active converters instead of passive fan-out cables when using HYTOPTODEVICE H3C compatible 40G QSFP+ LR4 modules.

Q4: What is typical power consumption for H3C compatible 40G QSFP+ LR4 transceiver from HYTOPTODEVICE?

A: Typical power draw sits between 2.0–3.0W with MSA maximum rated at 3.5W. The higher transmit power required for 10km single-mode transmission makes power consumption slightly higher than IR4 variants. All HYTOPTODEVICE 40G QSFP+ LR4 modules pass power consumption testing before shipment.

Q5: What insertion loss and link budget can I plan for 40GBASE-LR4 10km fiber links using HYTOPTODEVICE optics?

A: 40GBASE-LR4 standard supports maximum 2.6dB channel insertion loss. At 10km, chromatic dispersion stays within acceptable tolerance, so link loss from connectors, splices and patch panels is the main limiting factor. HYTOPTODEVICE’s H3C compatible 40G QSFP+ LR4 modules are fully tested to work within this link budget.

Q6: Does HYTOPTODEVICE 40G QSFP+ LR4 module support per wavelength optical power monitoring via DOM?

A: Yes, per-lane optical power monitoring is fully available via DDM/DOM function. The switch CLI can read TX and RX power for all four CWDM wavelengths separately. This feature helps network engineers quickly identify weak signal lanes when deploying HYTOPTODEVICE H3C QSFP-40G-LR4-WDM1300 compatible transceivers.

Q7: Why select 40G QSFP+ LR4 instead of DAC or AOC for campus metro 10km network links?

A: LR4 is the correct choice for single-mode campus and metro links up to 10km. DAC cables only support very short distances of a few meters, while AOC products rely on multimode fiber and have fixed cable lengths. HYTOPTODEVICE 40G QSFP+ LR4 modules deliver flexible long-distance single-mode connectivity for these use cases.

Q8: How much insertion loss comes from LC patch panels and fiber splices in 40G LR4 10km fiber designs?

A: Budget 0.3–0.5dB loss for each mated LC connector pair or each fiber splice. With only 2.6dB total available link budget for 40GBASE-LR4, dirty or damaged LC connectors will rapidly consume your margin. HYTOPTODEVICE recommends inspecting all fiber terminations before installing our 40G QSFP+ LR4 modules.

Q9: What compliance certificates are shipped with HYTOPTODEVICE H3C compatible 40G QSFP+ LR4 transceivers for export orders?

A: Our optical modules come with full global compliance certifications including CE, FCC, RoHS and REACH under ISO9001 controlled manufacturing. We can provide certificate copies upon request before buyers confirm bulk procurement of HYTOPTODEVICE 40G QSFP+ LR4 modules.

Q10: Are HYTOPTODEVICE 40G QSFP+ LR4 transceivers protected against ESD damage during handling and hot swap?

A: Yes, our modules include built-in ESD protection and ship inside anti-static packaging for safe handling. They support hot-swap operation on H3C switches, but operators must ground themselves before touching HYTOPTODEVICE 40G QSFP+ LR4 transceivers to avoid static damage.

Q11: What RMA support does HYTOPTODEVICE offer for DOA 40G QSFP+ LR4 modules after bulk delivery?

A: We provide free replacement for DOA units within our 30-day warranty window. Buyers should preserve original packaging and prepare test screenshots to speed up RMA processing. HYTOPTODEVICE maintains a streamlined RMA workflow for overseas bulk purchasers of 40G QSFP+ LR4 transceivers.

Q12: Are there unexpected customs duties or import tax costs when ordering 40G QSFP+ LR4 modules from HYTOPTODEVICE factory?

A: Import duties and taxes change based on destination country and agreed Incoterms. Request a DDP quotation from HYTOPTODEVICE to get fixed all-in delivered pricing and eliminate unexpected customs charges for your 40G QSFP+ LR4 bulk procurement.

Q13: How to troubleshoot offline fiber link after installing HYTOPTODEVICE H3C 40G QSFP+ LR4 transceiver?

A: Follow this ordered troubleshooting checklist to restore your link. Check module seating, clean LC connectors, confirm correct duplex TX/RX orientation, verify OS2 single-mode fiber, validate distance, calculate total insertion loss and review per-lane DDM readings on the H3C switch when deploying HYTOPTODEVICE 40G QSFP+ LR4 modules.

Q14: Which CLI commands check DOM optical diagnostic data for HYTOPTODEVICE 40G QSFP+ LR4 on H3C Comware switches?

A: Comware CLI commands show interface transceiver or show optics retrieve DOM diagnostic data. These commands display per-wavelength transmit/receive optical power, temperature, supply voltage and alarm status for HYTOPTODEVICE 40G QSFP+ LR4 transceivers installed on H3C switches.

Q15: Can overseas buyers request custom OEM branding and private labeling for bulk HYTOPTODEVICE 40G QSFP+ LR4 orders?

A: Custom labels, neutral export packaging and OEM branding are available for bulk transceiver orders. Buyers need to confirm artwork specifications, minimum MOQ and production lead time before placing OEM procurement of HYTOPTODEVICE 40G QSFP+ LR4 modules.

Q16: What export licensing rules apply when importing HYTOPTODEVICE 40G QSFP+ LR4 transceivers overseas?

A: 40G LR4 optical modules generally have no strict export licensing requirements for global shipment. Importers still need to verify local import duty rules, RoHS compliance and regional telecom certification requirements for your target country before importing HYTOPTODEVICE 40G QSFP+ LR4 transceivers. Our products are exported to more than 60 countries across all continents worldwide, you may contact us for detailed consultation.

Packaging & Custom OEM Solutions

Every 40G QSFP+ LR4 module leaves our warehouse in sealed ESD-safe packaging, dispatched the same day your order is confirmed. For bulk orders, we tailor the full OEM package — logo printing and private labeling — built for network wholesaler,distributors, integrators, and enterprise deployments.

Why Network Engineers Choose HYTOPTODEVICE

HYTOPTODEVICE has supplied over 5000,000 optical transceiver modules to data centers, ISPs, and enterprise networks across 100+ countries since 2011. Every module undergoes a 72-hour burn-in test and full DDM/DOM validation before shipment.

100% MSA-compliant modules with Cisco, Huawei,Dell,Juniper, and Arista compatibility
ISO 9001:2015 certified manufacturing facility in Shenzhen
Average lead time of 3–5 business days with DHL/FedEx express options
Dedicated pre-sales engineering support for custom configurations
Actual hardware,actual switches,actual results.we publish compatibility test video,eliminate compatibility anxiety. you can watch before you buy.
We can provide inspection and shipping videos to make you feel as if you are right here with the product.

“Phenomenal performance. We deployed 200 HYTOPTODEVICE SFP+ modules to replace Cisco OEMs in our backbone network. Result? Zero compatibility issues and a 60% reduction in costs. Highly recommended for mission-critical networks."— Senior Network Engineer, Regional Telecom, Australia

Quality Certification & Compliance

At HYTOPTODEVICE, our quality commitment is backed by industry-standard validations. From fiber optical transceiver manufacturing to final visual inspection, from IQC、IPQC、FQC to OQC, 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.