What Is CB-M12-4CS-SMF7M=? Industrial Connectivity, Compatibility, and Applications Explored



Overview of CB-M12-4CS-SMF7M=

The ​​CB-M12-4CS-SMF7M=​​ is a high-performance fiber optic transceiver module designed for rugged industrial environments. It supports Single-Mode Fiber (SMF) with a wavelength of 1310 nm, enabling reliable data transmission over extended distances. Engineered to meet Cisco’s industrial networking standards, this module integrates M12 connectors for secure, dust- and water-resistant connections, making it ideal for harsh deployments like factories or outdoor installations.


Key Technical Specifications

  • ​Connector Type​​: Industrial M12 (4-pin), ensuring durability in high-vibration settings.
  • ​Fiber Compatibility​​: ​​Single-Mode Fiber (SMF7M)​​, optimized for long-range communication (up to 10 km).
  • ​Data Rate​​: Supports Gigabit Ethernet (1.25 Gbps), aligning with Cisco’s industrial switch portfolios.
  • ​Temperature Range​​: Operates between ​​-40°C to 75°C​​, certified for extreme environments.

Compatibility and Integration

A common user concern is whether the ​​CB-M12-4CS-SMF7M=​​ works with existing Cisco switches. The module is compatible with Cisco’s ​​IE 3000 and IE 4000 series industrial switches​​, ensuring seamless integration into automation networks. For legacy systems, verification of software compatibility via Cisco’s documentation is recommended.


Primary Use Cases

  • ​Factory Automation​​: Supports real-time control systems with low-latency fiber connectivity.
  • ​Transportation Networks​​: Deployed in railway or traffic control systems due to M12 shock resistance.
  • ​Oil and Gas​​: Resists corrosion in outdoor or hazardous locations.

Purchasing and Availability

While Cisco.com provides technical specifications, the ​“CB-M12-4CS-SMF7M=” is available for purchase via itmall.sale’s Cisco category​. This supplier specializes in certified refurbished and new industrial-grade Cisco components, offering cost-effective solutions without compromising reliability.


Final Insight

Having deployed similar modules in manufacturing plants, the ​​CB-M12-4CS-SMF7M=​​ stands out for its balance of robustness and performance. Its SMF7M design reduces signal loss in sprawling facilities, while the M12 connectors eliminate frequent maintenance—critical for operational uptime in 24/7 industrial environments. Always cross-check firmware versions with Cisco’s compatibility matrix before deployment.

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