Cisco CFP-100G-ER 100 Gigabit Ethernet CFP Module 100GBASE-ER4 40km 4x28G OTU-4 1300nm 4-Lane WDM

Cisco CFP-100G-ER - The 100 Gigabit Ethernet CFP Module 100GBASE-ER4 is engineered for high-performance, long-reach networking solutions. Designed to deliver reliable 100 Gbps connectivity over a distance of up to 40 kilometers, this module uses 1300nm four-lane WDM technology and supports OTU-4 data rates. It is an ideal choice for backbone interconnects, metro networks, and cloud data centers that demand scalable bandwidth without the need for fiber splicing or complex transceiver management.

Key Features

• 100 Gbps data rate with 4x28G OTU-4 lanes
• Maximum reach of 40 km over standard single-mode fiber
• 1300nm wavelength, enabling dense WDM deployments
• Compact CFP form factor for easy rack integration
• Low insertion loss and high return loss specifications for optimal signal integrity
• Backward compatible with Cisco switch platforms that support CFP modules
• Integrated power management and thermal monitoring for reliable operation

Technical Specifications

• Interface: 4x28G OTU-4 lanes, 100GBASE-ER4
• Wavelength: 1300nm (±20nm)
• Reach: 40 km over OM3/OM4 single-mode fiber
• Optical power: -8 dBm to +2 dBm output
• Return loss: >30 dB
• Insertion loss: < 0.5 dB per lane
• Operating temperature: -20°C to +70°C
• Dimensions: 100 mm x 40 mm (typical CFP size)
• Weight: 0.3 kg

Applications

• Core and metro backbone interconnects requiring long-reach, high-bandwidth links
• Data center aggregation layers that need dense, scalable connectivity
• Carrier Ethernet networks with strict performance and reliability requirements
• Cloud service provider infrastructures demanding flexible wavelength allocation
• High-performance computing clusters where low latency and high throughput are critical

The Cisco CFP-100G-ER module delivers exceptional performance, scalability, and ease of deployment for modern networking environments. Its robust design, combined with the versatility of 1300nm WDM technology, makes it a compelling choice for operators looking to future-proof their networks while maintaining cost efficiency.