Interface
Bus Interface:	32-bit Universal PCI
Number of Ports:	4
Max. Number of Boards:	4
IRQ	Assigned by PCI plug and play
Data Bits:	5, 6, 7, 8
Stop Bits:	1, 1.5, 2
Parity Bits:	None, Even, Odd, Space, Mark
RS-422 Signals:	Tx+,Tx-, Rx+, Rx-, RTS+, RTS-,CTS+, CTS-, GND
RS-485(4-wire) Signals:	Tx+,Tx-, Rx+, Rx-, GND
RS-485(2-wire) Signals::	Data+, Data- , GND
RS-485 Data control:	On-chip Automatic Data Flow Direction Switching Technology (2-wire)
Hardware
Communication Controller:	16C950 compatible (OXFORD)
Board Connector:	DB37 Female
Cable Connection :	DB9 Male or DB25 Male, 100 cm cable length (Optional)
Cable Model :	CM37M9x4-100 or CM37M25x4-100 (Optional)
Performance
FIFO Size:	128 Bytes
Speed:	50 bps to 921.6 Kbps
Surge Protection:	Embedded 15KV ESD Surge Protection
Terminator:	Built-in termination resistor
Power Requirements
Power Consumption	1.06A (+5V)
Mechanical
Dimensions	138 mm x 108 mm
Environmental
Operating Temperature	-10 to 70°C (14 to 158°F)
Operating Humidity	5% to 95% (Non-condensing)
Storage Temperature	-20 to 85°C (-4 to 185°F)
OS Supported:	Windows 98/Me/NT/2000/XP/2003, Linux RedHat Enterprise 4.0 (2.6.9)/RedHat Enterprise 3.0 (2.4.21)/ RedHat 9.0 (2.4.20)/RedHat 8.0 (2.4.18)/RedHat 7.3 (2.4.18)/ RedHat 7.2 (2.4.7)/FC3(2.6.9)/FC2(2.6.5)/FC1(2.4.22)/ Mandrake 10.1(2.6.8)/Mandrake 9.2 (2.4.22)
Regulatory Approvals
EMI	CE, FCC
Warranty	Global 5 years