Cisco 851710 — Install 'link'

Plug the power cords firmly into the rear power supply modules (PSUs). If your model features dual redundant PSUs, connect each cord to a completely separate power circuit.

After installation, run these validation commands: cisco 851710 install

Establishing out-of-band console access is vital when performing a core software upgrade or initial system provisioning. Hardware Installation Guide for Cisco 8400 Series Routers Plug the power cords firmly into the rear