36 BigIron RX Installation Guide53-1001811-01Installing a BigIron RX-4 switch2Connecting AC power to a BigIron RX-4 chassisAC power is supplied through an AC power cord that is installed at the rear of the BigIron RX-4chassis.1. At the rear of the BigIron RX-4 chassis locate the power receptacle on the left side of the ACpower supply.2. Lift the cord-retainer and connect a Brocade-supplied AC power cord to the power supply.3. Snap the cord-retainer over the power plug to hold it in place.FIGURE 22 Connecting a power cord to the power supply in a BigIron RX-4 chassisDANGERIf the installation requires a different power cord than the one supplied with the device, makesure you use a power cord displaying the mark of the safety agency that defines the regulationsfor power cords in your country. The mark is your assurance that the power cord can be usedsafely with the device.4. For information about powering on the system, refer to “Powering-on the power source” onpage 79.Connecting DC power to a BigIron RX-4 chassisYou can provide your own DC power source for the BigIron RX-4 chassis. This is supported throughuse of a DC-to-DC power supply. DC power must be supplied at 48 V and 30 A. The DC-to-DC supplyprovides the DC power to the chassis at 12 V and 100 A.DANGERThe procedure in this section is for qualified service personnel.1 Ground point 3 Cord retainer2 Power cord123
