AR-B1890 User’s Manual
7
I / O Ports Keyboard/ Mouse 1 PS / 2 ports
Serial 2 internal RS - 232 ports ( COM 3 / 4 )
1 external RS – 232 port ( COM 1 )
1 external RS – 232 / 422 / 485 port ( COM 2 )
VGA 1 VGA port
Audio 1 external jack for MIC – In / Line – In / Line – Out
LAN 2 external RJ – 45 ports with LED
USB 2 internal USB 2.0 ports
4 external USB 2.0 ports
POWER ATX power connector
TEMPERATURE Operating temperature with 0°C~60°C
(32°F~140°F)
Storage temperature with 20°C~80°C
(-68°F~176°F)