Hardware Installation and Maintenance Guide Maintenance Power Supply Removal and Replacement Removing a Power Supply Removing a Power Supply To remove a power supply from the Acme Packet 6300/6350: Remove the AC or DC power cables from the power supplies. Figure 6-1 Removing the Power Cords With your thumb, push the grey locking tab to the left to unlock the power supply from the chassis (1). Figure 6-2 Releasing the Locking Tab Holding the handle (2), pull the power supply towards you. This will disengage the power supply from the chassis. Continue pulling the power supply towards you until it is completely removed from the chassis. Move the power supply to an ESD-safe location.