Interface
Bus Interface:	32-bit PC/104 plus bus
Number of Ports:	4 RS232/422/485 and 4 RS232
Max. Number of Boards:	4
IRQ	assigned by PC/104 plus plug and play
Data Bits:	5, 6, 7, 8
Stop Bits:	1, 1.5, 2
Parity Bits:	None, Even, Odd, Space, Mark
Flow control	Xon/Xoff, RTS/CTS, DTR/DSR
Automatic flow direction switching	in 2-wire RS-485
OS supported:	Windows NT/2000/2003/XP, Linux 2.6.x
Hardware
Communication Controller:	16C950 compatible (OXFORD)
Board Connector:	DB37 female x2 or DB37 + Box Header
Cable Connection:	DB9 male or DB25 male, 60cm cable length (optional accessory)
Dimension:	96 x 90 mm
Net weight:	200g
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	Power consumption: 0.3A (+5V)
Environmental
Operating Temperature	-25 to 70°C (-13 to 158°F)
Operating Humidity	5% to 95% (Non-condensing)
Storage Temperature	-40 to 80°C (-40 to 176°F)
Regulatory Approvals
Regulation:	CE, FCC
Warranty	5 years