For Cisco 4451, is there any power supply compatibility with older router plataforms?

[sergio.duque]

I have a router 4451 but with only one PS, need to put redundancy but can´t buy another, I have a lot of older routers from series 3900, 3800, etc.  Is there any Power Supply compatibility matrix for this case?

[Spooster IT Services]

Hi sergio.duque,

No power supply from series 3900,3800 etc are compatible with 4451 as the power requirements are different for these boxes. You need to purchase new one.