Question 1

What are the specific optical/electrical performance, power consumption, and link budget parameters of the Huawei HW-OPT-40G-CFP-10KM?

Accepted Answer

The HW-OPT-40G-CFP-10KM complies fully with the IEEE 802.3ba 40GBASE-LR4 and CFP MSA standards. It utilizes 4-channel LAN-WDM optical multiplexing (center wavelengths: 1295.56nm, 1300.05nm, 1304.58nm, and 1309.14nm), operating at 10.3125 Gbps per lane to deliver an aggregate rate of 41.25 Gbps. Optical launch power per lane ranges from -7.0 dBm to +2.3 dBm, with receiver sensitivity better than -13.7 dBm (OMA), providing a 6.7 dB power budget for 10 km reach over standard G.652 single-mode fiber (SMF). Powered by a 3.3V DC rail, its typical operational power consumption remains below 8.0W, and it features an MDIO management interface for real-time DOM telemetry.

Question 2

Which Huawei chassis platforms support this CFP module, and can it interoperate with 40G QSFP+ LR4 ports across platforms?

Accepted Answer

The module is natively compatible with Huawei NetEngine core routers (including NE40E-X3/X8/X16, NE80E, NE5000E) and CX600 metro routers deployed with 40GE CFP line cards (such as LPUF-40 and LPUS-40 series). Because it adheres to the standard 40GBASE-LR4 specification and identical LAN-WDM wavelength spacing, it is 100% interoperable with standard 40G QSFP+ LR4 transceivers over duplex LC single-mode patch cords without protocol conversion. The module supports hot-swapping and features dual mechanical retention screws to ensure reliable electrical contact and mechanical stability in high-vibration rack environments.

Question 3

What engineering design features ensure the HW-OPT-40G-CFP-10KM's thermal dissipation, ESD protection, and EMC reliability in harsh telecom environments?

Accepted Answer

To address severe thermal loads in core chassis, the module is engineered with an integrated heavy-duty die-cast metal housing and top-mounted thermal fins, optimizing heat transfer inside high-velocity forced-air chassis and maintaining die stability across 0°C to +70°C operating conditions. Internally, dedicated driver stages and high-impedance decoupling isolate signal channels. The perimeter features nickel-plated beryllium copper EMI grounding fingers to suppress 40Gbps RF leakage and resist ESD events. It also complies with Class 1 Eye Safety standards and incorporates real-time DOM failure prediction, alerting the network OS to temperature spikes, bias drift, or optical degradation.

Key specifications	Value
Physical Form Factor	CFP (40GBASE-LR4)
Data Rate	41.25 Gbps
Central Wavelength	1310 (4x10G LAN-WDM) nm
Maximum Distance	10 km
Fiber Type	Single-Mode Fiber (SMF) (SMF)
Optical Connector	Duplex LC Connector
Typical Power Consumption	< 8.0 W
Operating Temperature	0°C ~ +70°C

Huawei 40G CFP 1310nm 10km LR4 Single-Mode Optical Transceiver Module

What this product is

What this product is

What problem it solves

Who and where it is for

Core advantages

Technical specifications

Applications

Carrier IP core networks

Inter-datacenter high-capacity aggregation

Mission-critical broadcast transmission backbones

Frequently asked questions

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