Cisco QSFP-40G-LR4-S Module : 40Gbps Long-Range , Low Power , DDM Support

The Cisco QSFP-40G-LR4-S is a high-performance 40Gbps QSFP+ optical transceiver designed for long-distance data transmission over single-mode fiber (SMF). Ideal for data centers, enterprise networks, and telecom deployments, this module combines high speed, low power consumption, and advanced diagnostics for reliable connectivity.

Key Features & Benefits

✅ 40Gbps Ethernet Support – Compliant with IEEE 802.3ba, delivers high-bandwidth connectivity for demanding applications.
✅ 10KM Long-Range Transmission – Uses CWDM technology (4×10Gbps lanes) over single-mode fiber (SMF) for extended reach.
✅ Low Power Consumption (<3.5W) – Energy-efficient design reduces operational costs in data centers.
✅ Digital Diagnostic Monitoring (DDM) – Real-time monitoring of temperature, voltage, and optical power for proactive maintenance.
✅ Hot-Swappable & MSA-Compliant – Easy installation without downtime; works with Cisco Nexus, ASR, and third-party MSA-compatible devices.
✅ Dual LC Connector – Standard interface for seamless integration with existing fiber infrastructure.

Technical Specifications (QSFP-40G-LR4-S)

Applications

✔ Data Center Interconnects (DCI) – High-speed links between switches/routers.
✔ Enterprise Core Networks – Scalable backbone for 40G Ethernet.
✔ Telecom & Metro Networks – Long-haul fiber connectivity.

Why Choose Cisco QSFP-40G-LR4-S?

• Cisco Certified – Guaranteed compatibility and reliability.

• Future-Proof – Supports evolving 40G/100G upgrade paths.

• Cost-Effective – Lower power use vs. older 40G modules.

Shanghai Xinben Information Technology Co., Ltd.
Global Network Equipment Distributor | Technology Solutions Provider

Company Slogan:

"Bridging Innovation, Connecting Futures"
(Alternative options: "Global Networks, Local Expertise" / "Distributing Tomorrow's Connectivity Today")

Company Introduction (English):

About Us:
Shanghai Xinben Information Technology Co., Ltd. is a leading international distributor of cutting-edge network equipment and IT solutions. Headquartered in Shanghai, we specialize in delivering high-performance networking hardware, cybersecurity systems, and smart infrastructure technologies to enterprises, telecom providers, and partners worldwide.

Core Strengths:

• Global Distribution Network: Partnering with top-tier brands (Cisco, Huawei, H3C, Fortinet) to supply 5G, SD-WAN, and data center solutions.

• Localized Expertise: Technical support and customized procurement strategies for Asia-Pacific markets.

• Sustainability-Driven: Committed to green IT practices through energy-efficient product portfolios.

Key Offerings:
✔ Enterprise & Carrier-Grade Network Switches/Routers
✔ Cloud and Cybersecurity Solutions
✔ PoE/Wi-Fi 6/Wireless Access Infrastructure
✔ OEM/ODM Collaboration Services

Why Choose Xinben?

• 10+ Years of cross-border supply chain excellence

• Vendor-Agnostic advisory for optimal cost-performance ratios

• Eco-Tech 2030 Initiative: Reducing carbon footprints through intelligent networking

Vision:
To empower the connected world through reliable, scalable, and sustainable technology distribution.