6U COMPACT PCI I/O BOARD 16 COM PORTS CPC-16COM 6U standard CPCI bracket, 32bit, 33MHz CPCI bus, support hot-swappable 16*serial port RS-232/RS-422/RS-485 switched, speed up to 115200bps Front I/O 2*DB68 port, support 8*serial port; support Rear I/O Operating temperature: -5℃~55℃ Storage temperature: -45℃~85℃ Relative humidity: 5%~90%, non-condensing