Serial Ports:
4 ports on CPU board support up to 115,200 bps; optional dual-channel serial expansion boards available
Port 1: Full-duplex RS-232
Port 2: RS-232 with CTS/RTS via DB-9 connector; PS/2 keyboard interface
Port 3: Full-duplex RS-232, 20 mA output
Port 4: Full-duplex RS-232, 2-wire RS-485, 20 mA output

Warranty:
Two-year limited warranty

Keyboard:
27-key membrane panel, PS/2 port for external keyboard connection

Display:
(W x H) 4.6 in x 3.4 in (116 mm x 86 mm), 320 x 240 pixel VGA liquid crystal display
(LCD) module with adjustable contrast, 75 Hz scan rate 26,000 cd/m2 brightness