Symcod inc.
Manufacture and sell products for data acquisition using barcode and the rs232 or rs422 multidrops technologies.
http://www.symcod.com/

Rugged Computer Running Linux and Windows
Rugged Computer Running Linux and Windows
http://linux.about.com/cs/linux101/a/rugged...

Rugged Industrial Computer Running Linux and Windows
Rugged Industrial Computer Running Linux and Windows
http://linux.about.com/b/a/046230.htm

RS232, RS422, RS485, Industrial Ethernet, USB, Serial Converters, Seri
Serial, Ethernet and Wireless Interface Products and Information from B&B Electronics RS-232 l RS-422 l RS-485 l Ethernet Fiber Optic l Wireless l USB .
http://www.bb-europe.com/

RS232 Tutorial on Data Interface and cables
. there is always a pair ( /-) for each signal, like used in RS422. The X.21 signals are the same as RS422, so please refer to RS422 for the .
http://www.arcelect.com/rs232.htm

ARC's RS422 Tutorial & info on converters
RS422 Tutorial & info on converters . . distances up to 4000 Ft. can be accommodated with RS422. RS422 is also specified for .
http://www.arcelect.com/rs422.htm

Sangoma - Home
An OEM manufacturer of wide area networking (WAN) cards and communication products for PCs, including frame relay, gateway and router products.
http://www.sangoma.com/

RS422 Grundlagen
Technik. Kontakt.     . Grundlagen der RS422-Schnittstelle. Allgemeines: RS422. Bereich zunehmend Verbreitung. Maximal zehn RS422-Empfänger dürfen innerhalb .
http://www.weberco.ch/T_rs422.htm

Sangoma - Signalling Tutorial
WANPIPE® for Linux / BSD | FAQ's | Tutorials | Links » Overview » Frame Relay » HDLC » RS232, RS422 and V.35 » SDLC » Sync & Async » TCP / IP » Sangoma WANTips » X.25 RS232, RS422 and .
http://www.sangoma.com/signal.htm

B&B Electronics Industrial Ethernet Switches, Serial Servers, RS-
Serial communication and control equipment. Manufactures RS232, RS422, RS485, and current loop interface converters.
http://www.bb-elec.com/

GadgetWerks
Produce RS232 to RS422/485 converters and data acquisition and control modules.
http://gadgetwerksinc.com/

B&B Electronics
Electronics-engineering and manufacturing company in Galway, Ireland, produces computer-interface converters and related communications products.
http://www.bb-europe.com/welcome.html

Rugged Industrial Computer Running Linux and Windows - Focus on Linux
Rugged Industrial Computer Running Linux and Windows - Designed for Harsh Environments The enclosure for the PC7 rugged is designed to be dustproof and withstand water from high-pressure .
http://linux.about.com/b/a/2003_11_27.htm

Serial Communication Library, Tools, & Multiport Cards RS232 / RS4
. Library of development libraries and tools for RS232, RS485, RS422 <Click here> to see what our clients think about us. Complete your serial communication project with WCSC's .
http://www.wcscnet.com/

Antona Corporation Home Page
Designers and manufactures of RS232/RS422 adapters, wire-wrap adapters for SMD test and prototyping and Pc compatible industrial control circuit boards . In addition to RS422/RS232 .
http://www.antona.com/