Specifications Common spec. for CR161 Interface : One PS2 PC keyboard port for PC keyboard, magnetic card, IC card etc. Power Source : AC220/DC6.9V 800mA charger DC6V 3.2Ah UPS Cash Drawer: Patented adjustable large capacity drawer (8-note/8-coin 10-note/4-coin) Keyboard : 36 stroke keys Operating Temp: -5°C~40°C Operating Humidity: 10%~85%R.H. Weight : 4.4Kg Printer type : Thermal Printer Printing speed : About 50mm/second (depending on the printing density from 10% to 30%) Paper Width : 57 mm Customer Display : 14 characters LCD display Operator Display: 48x112 dot graphic LCD (18x4 characters) CR161B : One RS232 port CR161BM: Four RS232 ports, 38400bps (for PC), 9600bps(for other three ports) CR161BE: One each for Ethernet (10M) and RS-232 ports CR161BME: Four RS232 ports One Ether net port (10M)