Know your gear
Power your Cisco integrated service routers with the Cisco Power Supply. This internal power supply requires a frequency of 50 to 60 Hz and AC voltage of 100 to 240 volts. It is designed for use with the Cisco 2921 and 2951 routers.
Power your Cisco integrated service routers with the Cisco Power Supply. This internal power supply requires a frequency of 50 to 60 Hz and AC voltage of 100 to 240 volts. It is designed for use with the Cisco 2921 and 2951 routers.