You need reliable hardware in harsh environments. The 40G QSFP+ Transceiver LQ-M8540-SR4I gives you industrial-grade performance. This QSFP+ SR4 850nm module is designed for this need, offering high bandwidth, low power consumption, and industrial-grade reliability.
♦ Key Takeaways
The LQ-M8540-SR4I transceiver operates in extreme temperatures from -40°C to +85°C, ensuring reliable performance in harsh industrial environments.
Digital diagnostics through the I²C interface allow real-time monitoring of temperature and signal quality, helping you prevent downtime.
Investing in the LQ-M8540-SR4I can lead to significant cost savings due to its long lifespan, lower energy consumption, and reduced maintenance needs.
♦ Network Challenges in Industrial Environments
Deploying networks in industrial settings presents unique challenges. Equipment is often exposed to extreme temperatures, high humidity, dust, vibration, and electromagnetic interference (EMI) from industrial lighting, welding operations, and other electronic devices. Fluctuating illumination can also affect optical transceiver performance, making robust design and deployment strategies essential.
Common Sources of Electromagnetic Interference
Power lines and switching power supplies
Electric motors and generators
Fluorescent lighting and welding equipment
Mobile phones and digital electronics
Key Industrial Network Challenges
Challenge Type | Description |
|---|---|
Cybersecurity | Protection against attacks on critical infrastructure is essential. |
Bandwidth & Latency | Real-time decision-making requires high bandwidth and low latency. |
Network Reliability & Resilience | Harsh conditions and EMI can cause outages, affecting production efficiency. |
Legacy System Integration | Combining legacy and modern systems requires careful planning. |
Ensuring Reliability
Industrial-grade transceivers are designed for high-speed, reliable data transmission under demanding conditions. Key features include:
Mechanical robustness: Resists shock and vibration
Conformal coating: Protects against dust, moisture, and fluctuating illumination
Monitoring capabilities: Tracks optical output power, bit error rate, and receiver sensitivity
For applications such as industrial painting facilities, selecting transceivers that withstand moisture and illumination changes is critical. Proper deployment and monitoring help maintain network stability, extend equipment lifespan, and minimize downtime, even in the harshest environments.
♦ 40G QSFP+ Transceiver LQ-M8540-SR4I Features
Technical Overview
The LQ-M8540-SR4I is a 40GbE optical module designed for short-reach multimode fiber applications. Operating at 850nm with advanced VCSEL laser technology, it delivers 40Gbps aggregate bandwidth over four full-duplex channels, each supporting data rates up to 11.2Gbps.
Transmission Distance: up to 100m on OM3 MMF or 300m on OM4 MMF
Connector Type: MTP/MPO-12 interface for parallel optical transmission
Power Efficiency: <1.5W typical power dissipation
Diagnostics: Real-time Digital Diagnostic Monitoring (DDM/DOM) via I²C
Temperature Range: –40°C to +85°C (industrial grade)
For detailed specifications, refer to the official datasheet (PDF).
Specification | Value |
|---|---|
Max Data Rate | 40Gbps |
Form Factor | QSFP+ |
Wavelength | 850nm |
Max Cable Distance | 150m@OM4/100m@OM3 |
Connector | MTP/MPO-12 Male |
Media | MMF |
Transmitter Type | |
Receiver Type | PIN |
Protocols | IEEE 802.3ba, QSFP+ MSA, SFF-8436, SFF-8636 |
Industrial Temperature Range | -40°C to +85°C |
Applications
The LQ-M8540-SR4I 40G multimode fiber transceiver is widely deployed in:
Data Center Networks: Server-to-switch and switch-to-switch interconnections
High-Performance Computing (HPC): Low-latency InfiniBand QDR, DDR, and SDR links
Telecommunications: High-speed 40G transport connections
Enterprise Infrastructure: Scalable LAN and campus backbone upgrades
♦ Real-World Benefits of LQ-M8540-SR4I
The LQ-M8540-SR4I 40G QSFP+ SR4 transceiver is engineered for high-speed, reliable optical connectivity across demanding industrial, data center, and telecom environments. Combining industrial-grade durability with compliance to global standards, it ensures consistent performance, energy efficiency, and seamless integration.
Reliable Uptime
Industrial networks require uninterrupted operation. The LQ-M8540-SR4I delivers stable data transmission even under extreme temperatures, dust, vibration, and electromagnetic interference. Its industrial-grade design and digital diagnostics (DDM/DOM) enable real-time monitoring of temperature, signal quality, and power levels, allowing potential issues to be identified early and downtime to be minimized.
Pro Tip: Use digital diagnostics to track performance metrics and maintain consistent network operation.
Cost Efficiency
Investing in robust, high-quality hardware reduces the total cost of ownership. Key advantages include:
Fewer replacements: Extended lifespan lowers hardware turnover
Lower energy usage: Efficient power consumption (<1.5W) reduces operating costs
Reduced downtime: Reliable operation minimizes production interruptions
Quick installation: Hot-swappable design simplifies upgrades and maintenance
Benefit | How You Save Money |
|---|---|
Fewer replacements | Longer lifespan |
Lower energy usage | Efficient power consumption |
Less downtime | Fewer production interruptions |
Quick installation | Reduced labor costs |
Key Technical Benefits
Optimized for 40G Ethernet (40GbE): Fully compliant with IEEE 802.3ba (40GBASE-SR4) for high-speed connectivity.
Seamless Interoperability: Meets QSFP+ MSA and SFF-8436 specifications, ensuring compatibility with major switches and routers.
Scalability & Efficiency: Ideal for high-density data centers, cloud infrastructure, and telecom backbones, offering energy-efficient performance for large-scale deployments.
Industrial-Grade Reliability: Wide operating temperature range and robust construction maintain stable performance in harsh industrial environments.
Explore the LQ-M8540-SR4I Now
Discover how the LQ-M8540-SR4I can enhance your network performance. Click for details!
♦ FAQ
1. What equipment can you use the LQ-M8540-SR4I with?
You can use it with major brands like Cisco, Juniper, Arista, and HPE.
It supports many switches and routers.
2. How do you monitor the transceiver’s performance?
You access real-time digital diagnostics through the I2C interface.
Check temperature, optical power, and signal quality easily.
3. Can you install the LQ-M8540-SR4I in harsh environments?
Yes, you can.
Feature | Benefit |
|---|---|
Wide temp range | Reliable uptime |
Rugged design | Withstands shock |
See Also
LINK-PP 400G QSFP-DD LR4 Transceiver: 10km Optical Range – High-speed long-reach optical modules for data center and telecom applications.
Advantages of Using 100G SFP-DD LR Optical Transceivers – Explore the benefits of 100G LR optical modules, including efficiency and scalability.
Troubleshooting Optical Transceivers with Digital Diagnostic Monitoring – Learn how to monitor and maintain transceiver performance in real time.
Optical Transceivers Operating Temperature Range – Guide to selecting transceivers from industrial and harsh environments.
What is Electromagnetic Interference (EMI)? – Understand EMI sources and their impact on optical networks.
Overview of VCSEL Technology – Learn about VCSEL lasers and their advantages in multimode fiber transceivers.
