CISCO ISR 4451 ISR4451-X/K9 1 X PSU Included.

Cisco IOS Software [Amsterdam], ISR Software (X86_64_LINUX_IOSD-UNIVERSALK9-M), Version 17.3.4a, RELEASE SOFTWARE (fc3). Cisco IOS XE Software, Version 17.03.04a. Certain components of Cisco IOS-XE software are.

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