Installation ManualH3C S7500 Series Ethernet Switches Chapter 4 Hardware Installation4-71) Plug one end of the supplied AC power cord into the power socket on the switchand secure the bail latch over the power cord to prevent a falloff.2) Plug the other end into the socket strip (with lightning protection). Connect the stripto the AC power source in the room.Note:The AC power socket strip with lightning protection is not delivered with the switch andis user-suuplied.(1) Bail latch (2) Grounding screw (3) Power socketFigure 4-7 Connect the power cord of the S75064.6.2 Connecting the DC Power CablesCaution:Power off all power to the switch before connecting DC power cables.Follow these steps to connect the DC power cables:1) Loosen the screws and remove the cover from the terminal posts on the DC powerdistribution box.2) Use a socket screwdriver to loosen the nuts on the terminals.3) Connect the –48V terminal of the supplied blue DC power cable to the terminalmarked with -48V and fasten the nut with the socket screwdriver.4) Connect the GND terminal of the supplied black DC power cable to the RTNterminal and fasten the nut with the socket screwdriver.5) Cover the terminal posts and fasten the screws.6) Connect the other ends of the DC power cables to the DC power supply.
