The ATEN UC4854 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 RS485
Supports automatic handshake mode
Up to 115.2 Kbps data transfer rate for each serial port
Supports remote wake up and power management
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 adapters
Product DescriptionATEN UC4854 - serial adapter - USB - RS-422/485 x 4
Device TypeSerial adapter
Form FactorExternal
Interface (Bus) TypeUSB
PortsRS-422/485 x 4
Dimensions (WxDxH)12.5 cm x 8.2 cm x 2.5 cm
Weight320 g
Data Link ProtocolRS-422, RS-485
Data Transfer Rate115.2 Kbps
System RequirementsLinux, Microsoft Windows, Microsoft Windows Vista
Microsoft CertificationWorks with Windows Vista
Extended Specification
General
Device TypeSerial adapter
Form FactorExternal
Interface (Bus) TypeUSB
Networking
PortsRS-422/485 x 4
Connectivity TechnologyWired
Data Link ProtocolRS-422, RS-485
Data Transfer Rate115.2 Kbps
Status IndicatorsPort status, power
Expansion / Connectivity
Interfaces4 x RS-422/485 - 9 pin D-Sub (DB-9)
Connections1 x USB - 4 pin USB Type B
Miscellaneous
Works with Windows VistaSoftware and devices that carry the Works with Windows Vista logo have been tested for baseline compatibility with PC's running.
Software / System Requirements
OS RequiredLinux, Microsoft Windows, Microsoft Windows Vista