The Cisco 15454-OC121LR1550 is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: Cisco Part Number: 15454-OC121LR1550 Details: Cisco 15454-OC121LR1550 OC-12/STM-4 Optical Interface Module
30 Day Warranty Included. Extended warranty is available. Contact your sales rep for more information.