SPECIFICATIONS
P/N	UC890
Operating system	Windows 8.1 / 8 (32/64-bit), Windows Server 2012, Windows 7 (32/64-bit), Windows Server 2008 R2, Vista (32/64-bit), Windows Server 2008 (32/64-bit), XP, Windows Server 2003 (32/64-bit), 2000, (all WHQL compliant) Windows CE v4.2 - 5.2 and 6.0 which includes: Windows Mobile 2003, 2003 SE, Windows Mobile 5, 6, 6.1 and 6.5 Linux Mac OS 8, OS 9, OS X Android
Processor	FTDI FT232RL
Serial driver	Sipex SP485EE
Unique chipID no.	Yes, each converter has it own unique ID numberwhich can be accessed by the user with the D2XX driver programmers guide.
RS485 / RS422 Interface	DB9 Male / included screw terminal header
RS485 output power	3.60VCD (between D+ and GND)
Fail-safe bias resistors	Yes
USB interface	Standard Type A Male
Indication LEDs	TX, RX and Power
Ports	1-port available for RS485 and RS422 individually
Signals	RS485, 2-wire half duplex: D+, D-, GND RS422, 4-wire full duplex: TX+, TX-, RX+, RX-, GND
Baud rate	300-921,600bps (up to 3Mbps by using alising)
Parity	None, Odd, Even, Mark, Space
Data Bits	7, 8
Stop Bits	1, 2
TX / RX buffer size	256 Byte Transmit Buffer / 128 Byte Receive Buffer
Adjustable USB transfer sizes for TX and RX	From 64 bytes to 4096 bytes
Adjustable latency timer	1 to 255 msec
Adjustable read and write timeouts	0 to 10000 msec
Flow Control	None, Xon/Xoff, Hardware
COM port accessible by	Included virtual COM port drivers or FTD2XX.DLL
Special features	Compatible with Modbus RTU/ASCII, BACnet Supports non-standard baud rates Automatic Send Control
Electrostatic (ESD) protection	600W surge protection, 15KV static electricity protection
Current draw	Static: less than 80mA. Dynamic average: less than 150mA
Interface compliance	USB1.1,2.0,3.0, EIA/TIA RS-232
Regulatory compliance	FCC, CE and RoHS
Working temp	-20°C to 60°C
Cable length	56" not including the connectors
Size	70mm x 35mm x 18mm