The Cisco NIM-4T-RF is a refurbished Network Interface Module providing 4 high-speed serial WAN ports for Cisco ISR 4000 Series routers. It supports both synchronous and asynchronous operations, offering versatile connectivity for traditional serial lines.
✅ Key Features: Refurbished Condition: This unit is a remanufactured (refurbished) product, offering a cost-effective solution while meeting Cisco's quality standards. 4-Port Serial WAN Connectivity: Provides four high-speed serial ports for reliable and secure WAN connections. Versatile Serial Support: Supports both synchronous and asynchronous serial operations, compatible with various serial encapsulation protocols and network clocking options. ISR 4000 Series Compatibility: Specifically designed for and fully compatible with Cisco ISR 4000 Series Integrated Services Routers (e.g., ISR 4321, 4331, 4431, 4451). Flexible Data Rates: Supports a wide range of data rates suitable for various serial WAN applications. Hot-Swappable: Designed for hot-swapping within compatible ISR 4000 Series routers, allowing for installation or replacement without system downtime. Applications: Ideal for connecting to traditional serial lines, legacy equipment, or specialized industrial/utility applications requiring serial interfaces.