Cisco ASR 1001-X Router Power Supplies, The Cisco ASR 1001-X Router supports AC and DC power supply options. The modular chassis configurations support the installation of two power supplies for redundancy. When an external power supply fails or is removed, the other power supply provides power requirements for the chassis. This allows you to hot-swap the power supply without impacting the functionality of the router. Power Supplies for the Cisco ASR 1001-X Router – Cisco ASR 1001-X Power Supply Fans – Cisco ASR 1001-X Router AC Power Supply – Cisco ASR 1001-X Router DC Power Supply – AC/DC Power System Input Range and Voltage for the Cisco ASR 1001-X Router – Power Cords Supported by the Cisco ASR 1001-X Router. Power Supplies for the Cisco ASR 1001-X Router Each Cisco ASR 1001-X Router power supply provides 250 W of output power. The power supplies are used in a 1 + 1 redundant configuration. There is no input switch on the faceplate of the power supplies. A power supply is switched from Standby to ON by way of a system chassis STANDBY/ON switch. When facing the rear of the chassis, power supply slot 0 (PS0) is to the left (next to the power supply standby switch) and power supply slot 1(PS1) is to the right.