Cisco Network Interface Module for ISR 4000 - 2 FXS/DID + 4 FXO

The Cisco Network Interface Module (NIM) for the ISR 4000 series offers enhanced connectivity and flexibility for businesses looking to optimize their communications infrastructure. Designed to fit into Cisco's 4221, 4321, 4331, 4351, and 4431 Integrated Services Routers, this module includes 2 FXS/DID ports and 4 FXO ports, providing a seamless solution for both analog and digital voice connections. The module supports online insertion and removal (OIR), which means it can be installed or replaced without causing network downtime, ensuring maximum uptime and operational efficiency. Ideal for growing businesses or enterprises, this NIM expands your router's capabilities while maintaining the reliability Cisco is known for. Whether you're managing voice systems or connecting different network types, this module provides the versatility and performance needed in today's dynamic networking environments.

Highlights:

• 2 FXS/DID ports
• 4 FXO ports
• Supports OIR for minimal downtime
• Compatible with ISR 4000 series
• Fits models 4221, 4321, 4331, 4351, 4431