Like this.
With an appropriate power supply
http://www.dipmicro.com/store/DCA-07510
Make yourself a splitter cable for the power
http://www.alltronics.com/cgi-bin/item/98J009/search/2.1mm-X-6mm-Coax-Power-Connector
http://www.alltronics.com/cgi-bin/item/23J013/search/5.5mm-x-2.1mm-Coax-Power-Connector
