1-8 Chapter 1: OverviewI/O Board The I/O Board is used to provide external connections to the motherboard. It slides intoposition in the terminal underneath the motherboard.26297bLine OutRS232/DRS232/CRS232/BRS232/AMICABCD12V 24V CashDrawerLAN E F GI/O Board Connectors• Ethernet– One 10/100/1000 MDI port• USB– Four High Speed Ports. Each port is capable of supplying 5 V at 0.5 A max.Self-healing polyfuses are used to provide current protection.– Two 12 V High Speed USB+Power ports. Each port is capable of supplying 12 V at2.0 A max. Connected peripherals must not exceed this rating. Self-healing polyfusesare used to provide current protection.– One 24 V High Speed USB+Power ports. The port is capable of supplying 24 V at0.5 A continuous and 3.0 A peak. A socketed fuse is used to provide currentprotection.• Audio– Double stack connector for Headphone Out and Mic In• Serial Ports (4)– RS-232 ports with selectable power (+5 V, +12 V, or RI) on pin 9. (One RS-232 portis connected to the backplane and is available on the Backplane Board.)• Cash drawer Kickout port– Support for two cash drawers on a single port
