Expansion Module – RS-232 x 24 – for Cisco 4451-X; Integrated Services Router 4221, 4321, 4331, 4351, 4431

About this item NIM-24A Product information Item Weight 1 pounds Manufacturer CISCO SYSTEMS – ENTERPRISE ASIN B07ZZLRD77 Item model number NIM-24A Date First Available November 4, 2019 Warranty & Support Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price?