2.2 I/O ports
Following ports show all of ports of system.
a.DC IN: connector for power adapter input 12VDC.
b.Cash Drawer: provide IO port address 280H for cash drawer control by RJ11.
c.COM 1/2: standard D sub serial port with 5V / 12VDC selected on pin9.
d.LAN: 10 / 100
e.USB: play and plug USB 2.0.
f.Power Switch: toggle switch for power on.
g.MSR PS2: for attached MSR PS2 interface connection.
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