High-Performance QSFP+ 40GBASE-SR4 Transceiver – 850nm, 150m MMF (OM4), MPO Connector

Meet the escalating bandwidth demands of modern data centers and enterprise networks with the MEFIBEROPTIC QSFP-40G-SR4 Optical Transceiver. This high-performance module provides a cost-effective and reliable solution for deploying 40 Gigabit Ethernet connectivity over short distances using multimode fiber, enabling seamless upgrades and high-density connections.

The QSFP-40G-SR4 is a four-channel, pluggable, parallel, fiber-optic QSFP+ transceiver designed for 40 Gigabit Ethernet applications. It integrates four independent transmit and receive signal lanes, each capable of 10.3125 Gbps operation, for an aggregate data rate of 41.2 Gbps (40 Gbps Ethernet). This module is engineered for short-range multi-lane data communication and interconnect applications, utilizing a nominal wavelength of 850nm with a high-performance VCSEL laser array.

Key Features

Leverage cutting-edge technology for superior network performance:

• High-Speed Connectivity: Supports an aggregate bit rate of 41.2 Gb/s for 40GBASE-SR4 Ethernet.
• Hot-Pluggable QSFP+ Form Factor: Allows for easy installation and removal without shutting down the host system.
• Optimized for Multimode Fiber:
  • Achieves up to 100 meters on OM3 Multimode Fiber (MMF).
  • Extends reach up to 150 meters on OM4 Multimode Fiber (MMF).
• MTP®/MPO Optical Connector: Standard 12-fiber MPO connector for parallel optics.
• 850nm VCSEL Technology: Utilizes a reliable Vertical-Cavity Surface-Emitting Laser array.
• Digital Diagnostics Monitoring (DDM/DOM): Built-in functions provide real-time access to operating parameters like temperature, voltage, bias current, transmit power, and receive power.
• Low Power Consumption: Efficient design with power dissipation typically less than 1.5W.
• Commercial Grade Operation: Reliable performance within a standard operating case temperature of 0°C to +70°C.
• MSA Compliant: (Assuming this is true, very important to state) Designed to be compliant with QSFP+ Multi-Source Agreements for broad system compatibility.
• RoHS-6 Compliant: Adheres to environmental standards restricting hazardous substances.

Benefits

Empower your infrastructure with significant advantages:

• Increased Bandwidth: Effortlessly upgrade your network links to 40Gbps to handle growing data traffic.
• Cost-Effective Short-Reach Solution: Ideal for interconnecting switches, routers, and servers within data centers or across campus buildings.
• Simplified Deployment: Hot-pluggable nature allows for flexible network maintenance and upgrades with minimal downtime.
• Enhanced Network Monitoring: DDM/DOM capabilities enable proactive network management and faster troubleshooting.
• Space Efficiency: QSFP+ form factor supports high port density in networking equipment.

Primary Applications Include:

• 40GBASE-SR4 40G Ethernet links
• Data Center interconnects
• High-Performance Computing (HPC) clusters
• Infiniband QDR (Quad Data Rate) and DDR (Double Data Rate) interconnects
• Enterprise core and distribution layer aggregation
• Client-side 40G Telecom connections

Technical Specifications

(Alternative Names & Keywords for Search)

QSFP+ SR4 module, 40G MMF transceiver, 40Gbps MPO optical module, QSFP 40G 850nm, 40GBASE-SR4 MMF 150m, OM4 QSFP+ transceiver, data center 40G optics, MTP® QSFP 40G.

4. FAQ Section:

• Develop an FAQ section to address common customer concerns.

  Frequently Asked Questions (FAQ)

  • Q1: What type of fiber optic cable is required for this QSFP-40G-SR4 transceiver?

    A1: This transceiver is designed for use with Multimode Fiber (MMF). For optimal performance and maximum reach, OM4 MMF is recommended (up to 150m). It will also work with OM3 MMF (up to 100m). The cable must be terminated with an MTP®/MPO connector (typically female, 12-fiber, Type B polarity for direct switch-to-switch connection).

  • Q2: Is this transceiver hot-swappable?

    A2: Yes, the QSFP-40G-SR4 utilizes the QSFP+ form factor, which is hot-swappable. This means you can install or remove the transceiver from a compatible switch or device without needing to power down the system.

  • Q3: What does DDM or DOM support mean?

    A3: DDM (Digital Diagnostics Monitoring) or DOM (Digital Optical Monitoring) allows you to monitor key operating parameters of the transceiver in real-time. This includes transceiver temperature, supply voltage, laser bias current, transmit optical power, and receive optical power. This data is useful for troubleshooting and ensuring the link is performing optimally.

  • Q4: Is this transceiver MSA compliant? What devices is it compatible with?

    A4: (State your compatibility standard clearly. E.g., “Yes, this transceiver is manufactured to be compliant with QSFP+ Multi-Source Agreements (MSA) standards, ensuring broad compatibility with MSA-compliant networking equipment from various vendors. For specific compatibility with brands like Cisco, Juniper, Arista, etc., please contact us or check your device’s documentation for support of third-party MSA-compliant transceivers.”) If you offer specifically coded versions, list them or explain how to order them.

  • Q5: What is the difference between QSFP-40G-SR4 and other 40G transceivers like LR4?

    A5: The main difference lies in the fiber type, reach, and wavelength.

    • SR4 (Short Reach 4-lane): Uses multimode fiber (850nm VCSELs) for shorter distances (up to 150m on OM4) and is generally more cost-effective for intra-data center links. It uses parallel optics.
    • LR4 (Long Reach 4-lane): Uses single-mode fiber and different wavelengths (typically around 1310nm using CWDM technology) for longer distances, often up to 10km. These are for connections between buildings or over longer campus links.

5. Installation Steps (If Applicable):

• Provide clear and concise step-by-step instructions.

  Simple Installation Guide

  Installing your QSFP-40G-SR4 transceiver is a straightforward process:

  1. Safety First & Handling:
     • Protect yourself and the equipment from electrostatic discharge (ESD) by using an ESD wrist strap or other grounding measures.
     • Keep the protective dust cap on the transceiver’s optical port and the fiber optic cable connector until you are ready to make the connection.
  2. Insert the Transceiver:
     • Carefully remove the transceiver from its protective packaging.
     • Align the transceiver with the QSFP+ port on your switch, router, or network interface card.
     • Gently slide the transceiver into the port until it clicks into place. Do not force it.
  3. Connect the Fiber Optic Cable:
     • Remove the dust cap from the transceiver’s MTP®/MPO optical port.
     • Remove the dust cap from your MTP®/MPO multimode fiber optic cable (OM3 or OM4).
     • Align the MTP®/MPO connector on the cable with the transceiver’s port, ensuring correct orientation (there’s usually a key), and push until it clicks securely.
  4. Verify Operation:
     • Once connected, check the port status LEDs on your networking device. A green light typically indicates a successful link.
     • You can also check the device’s command-line interface (CLI) or management interface to confirm the transceiver is detected and the link is up.
  5. Removal (If Necessary):
     • Gently disconnect the fiber optic cable by depressing the MTP®/MPO connector latch (if present) or pulling the pull-tab.
     • To remove the transceiver, typically pull on the designated pull-tab or bail latch mechanism associated with the QSFP+ cage, and then gently slide the transceiver out.
     • Immediately replace dust caps on the transceiver and cable.

  Note: Always refer to the documentation for your specific networking equipment for any device-specific instructions or precautions.