ATEN UC4854 :: 4-port USB-to-Serial RS-422/485 Hub

The ATEN USB-to-Serial RS-422/485 Hub provides an external plug-and-play RS-422 / RS-485 serial connection for computers, notebooks, laptops, and handheld computing devices that support the USB specification. It provides a quick, simple, and cost-effective solution and is ideal for various communication and automation applications

• Easy way to add 4 RS-422/RS-485 serial ports
• Fully compliant with USB 1.1; USB 2.0 compatible
• Supports RS-422/RS-485 serial interface
• Each port can independently switch between RS-422 and RS-485
• Supports automatic handshake mode
• Up to 115.2 Kbps data transfer rate for each serial port
• Dual data buffers for each upstream and downstream data transfer
• No IRQ, DMA, I/O address resources required
• Supports hot-swapping and plug-and-play
• Built-in 16KV ESD protection
• Supports both bus power and external power
• Works with cellular phones, PDAs, digital cameras, modems and ISDN terminal аdapters
• OS support - Windows 2000/2003/XP/NT

Function		UC4854
Device Connections		4
Connectors	USB	1 x USB Type B Female (White)
	Serial	4 x DB-9 Male (Black)
	Power	1 x DC Jack
LDEs	Port Status	4 (Green)
	Power	1 (Orange)
Data Transfer Rate		115.2 Kbps (max.)
FIFO		16 byte Hardware FIFO
USB Specification		USB 1.1 Compliant; USB 2.0 Compatible
RS-422 Signal		TXD+/-, RxD+/-, RTS+/-, CTS+/-,GND
RS-485 Signal		Data+/-, GND
Data Bit		5, 6, 7, 8
Stop Bit		1, 1.5, 2
Power Mode		Bus Powered; use of Power Adapter is optional
Power consumption		1.0W
Environment	Operating Temp.	0-50°C
	Storage Temp.	-20-60°C
	Humidity	0-80% RH, Non-condensing
Physical Properties	Housing	Metal
	Weight	0.32 kg
	Dimensions ( L x W x H )	12.50x8.00x2.50cm

*Manufacturer*:	ATEN
*Convertion directions*:	*USB към RS422/485*