BWN-S31M 40G LR4 10KM QSFP+ Module

The BWN-QP-S31M-10D is a high-performance 40G QSFP+ module optical transceiver utilizing 1310nm wavelength for 10km transmission over single-mode fiber with MPO interface, compatible with multiple network equipment brands.

  • Form Factor: QSFP+
  • Data Rate: 40Gbps
  • Transmission Distance: 10km
  • Wavelength: 1310nm
  • Fiber Type: Single Mode Fiber (SMF)
  • Interface: MPO connector

Elevate your network infrastructure with the BWN-QP-S31M-10D SFP module, a high-performance 40G QSFP+ optical transceiver engineered for mission-critical connectivity. This professional-grade module delivers exceptional data transmission capabilities over extended distances while maintaining superior signal integrity and operational efficiency—all at a competitive price point that maximizes your network investment.

Parameters

Parameter Value Parameter Value
Form Factor QSFP+ Max Data Rate 40 Gbps (4x 10 Gbps)
Wavelength 1310 nm Max Cable Distance 10 km
Connector MPO Media SMF
Transmitter Type CWDM DFB Receiver Type PIN
TX Power -6 to -1 dBm Minimum Receiver Power -14 dBm
Power Budget 8 dB Receiver Overload -1 dBm
Power Consumption ≤2.5 W Extinction Ratio ≥3 dB
DDM/DOM Supported Commercial Temperature Range 0 to 70°C (32 to 158°F)
Modulation Format NRZ CDR (Clock and Data Recovery) TX & RX Built-in CDR
Protocols IEEE 802.3ba 40GBASE-LR4, QSFP+ MSA, SFF-8436 Warranty 3 years

Key Features

  • High-Speed Performance — Delivers lightning-fast 40 Gbps transmission rate through four independent 10 Gbps channels, enabling bandwidth-intensive applications and future-proofing your infrastructure.
  • Extended Range Connectivity — Achieves reliable 10km transmission over single-mode fiber, ideal for campus-wide deployments and inter-building connections without signal degradation.
  • Multi-Vendor Compatibility — Seamlessly integrates with equipment from Cisco, Mikrotik, HPE, TP-LINK, HP, and Juniper, eliminating compatibility concerns and protecting existing investments.
  • Power-Efficient Design — Operates at ≤2.5W power consumption, reducing operational costs and heat generation in dense switch deployments.
  • Real-Time Diagnostics — Features built-in Digital Diagnostic Monitoring (DDM) for proactive monitoring of optical performance parameters, minimizing downtime and simplifying troubleshooting.

Application

  • Enterprise Data Centers — Perfect for high-density server connectivity, storage networks, and virtualization clusters requiring consistent high-bandwidth connections.
  • Metro Network Backbones — Enables reliable core network communications across campus environments and metropolitan areas with its extended 10km reach capability.
  • Cloud Service Infrastructure — Supports cloud computing environments and multi-tenant hosting facilities where performance, reliability, and efficient resource utilization are paramount.

FAQs

SFP modules convert electrical signals to optical signals (or vice versa), enabling data transmission between networking devices such as switches and routers across various distances and media types.

Our SFP modules are MSA-compliant, ensuring broad compatibility with major equipment manufacturers. Verify compatibility through your device documentation, our online compatibility matrix, or by contacting our technical support team.

Yes, all our modules support hot-swapping. Use an ESD wrist strap during installation, handle modules by their edges, and ensure proper alignment before insertion to prevent damage.

Power consumption typically ranges from 1-2 watts. Operating temperature range is 0°C to 70°C (commercial) or -40°C to 85°C (industrial), with 5-95% non-condensing humidity tolerance.

Our modules come with a 3-year standard warranty covering manufacturing defects and performance issues under normal use. Extended warranty options are available for select products.

Technical documentation is available in our online knowledge base. Support can be accessed via email (support@bwnfibersfp.com), phone, or through our customer support portal.

Compatible Brand

Alcate, Arista, Aruba, Avago, Brocade, Check Point, Chelsio, Ciena, Cisco, Customized, D-Link, Dell, F5 Networks, Finisar, Fortinet, Generic, H3C, HP, HPE, Huawei, IBM, Intel, Juniper, Lenovo, Mellanox, Mikrotik, MRV, Netgear, Nokia, Nortel, Palo Alto Networks, QNAP, Ruckus, TP LINK, Ubiquiti

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