Check the listing for details. Cisco NIM-4FXO 4-Port Network Interface Module for ISR 4300/4400. Condition: Used. Listed at 14.99 USD. (p/n: ) --> Pulled from working environment. Ready for installation. The Cisco 4000 Series Integrated Services Routers (ISRs) host the Cisco network interface modules (NIMs), which have evolved from the enhanced high-speed WAN interface card (EHWIC), increasing port density and module capability. Up to three integrated NIM slots on the 4000 Series allow for flexible configurations. The NIMs support online insertion and removal (OIR), reducing the downtime required for new or replacement modules. 4 PortNetwork Interface Modulefor Ciscofor ISR4300 ISR4400 General Information Model Number: NIM-4FXO NIM-4FXO Distributor 60 days If you are not 100% satisfied with your purchase and/or if the item(s) received do not match the description provided, you can return your order for a full refund or replacement within 30 days from the date of purchase. If you have any questions about an item, our policies or need help placing an order feel free to contact us. 37758