​​Understanding CB-M12-4LC-MMF4M=: Core Specifications​​

The ​​CB-M12-4LC-MMF4M=​​ is a Cisco-compatible 40G QSFP+ transceiver module designed for high-speed data transmission over multi-mode fiber (MMF). It supports ​​40 Gigabit Ethernet​​ and ​​InfiniBand​​ applications, operating at a wavelength of 850nm. With a ​​4x10G breakout configuration​​, it enables flexible connectivity in data centers by splitting a single 40G port into four independent 10G channels.

Key technical parameters include:

• ​​Reach​​: Up to 150 meters over OM4 MMF.
• ​​Connector type​​: 12-fiber MTP/MPO (male) to 4x LC duplex.
• ​​Compliance​​: Meets IEEE 802.3ba standards for 40GBASE-SR4.

​​Where Is CB-M12-4LC-MMF4M= Used?​​

This module is ideal for environments requiring ​​high-density connectivity​​, such as enterprise data centers or cloud infrastructure. Its breakout capability simplifies migration from 10G to 40G networks without overhauling existing cabling.

​​Common use cases​​:

• Aggregating traffic from multiple 10G switches into a 40G core.
• Connecting storage area networks (SANs) with high-throughput demands.
• Supporting spine-leaf architectures in scalable data centers.

​​Compatibility: Does It Work with Your Cisco Hardware?​​

The ​​CB-M12-4LC-MMF4M=​​ is designed for Cisco switches and routers that support QSFP+ interfaces. It is verified to work with:

• ​​Catalyst 9500 Series​​ switches.
• ​​Nexus 9300/9500​​ platforms.
• ​​UCS fabric interconnects​​.

Always confirm compatibility using Cisco’s official documentation or tools like the ​​Transceiver Module Compatibility Matrix​​.

​​Purchasing Considerations: Quality and Authenticity​​

Third-party modules like the ​​CB-M12-4LC-MMF4M=​​ offer cost savings compared to Cisco-branded equivalents. However, ensure suppliers provide:

• ​​Lifetime warranties​​.
• ​​Diagnostic testing reports​​.
• Compatibility guarantees.

For verified modules, explore options at [“CB-M12-4LC-MMF4M=” link to (https://itmall.sale/product-category/cisco/).

​​Final Perspective: Balancing Cost and Performance​​

While Cisco-branded optics ensure seamless integration, third-party alternatives like the ​​CB-M12-4LC-MMF4M=​​ deliver comparable performance at lower costs—provided they meet rigorous testing standards. In budget-sensitive projects, this module bridges the gap between affordability and enterprise-grade reliability. Yet, always prioritize vendors with transparent technical support to avoid downtime risks.