Serial adapters provide either a DB-9 port or a terminal block connection for RS-232, RS-422, and RS-485 communication signals. The integration of USB with serial adapters gives the user flexibility in receiving data and the distance over which that data travels. Serial adapters are supplied in many forms constructed with molded jackets, industrial metal chassis, or plastic shells. From one to sixteen ports, serial adapters are used widely with stenographers (steno machines), bar code scanners, ATM's and other equipment for communication.

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USB to 16COM Serial Adapter Rack-Mountable for Industrial Applications Regular Price: $399.98 Special Price: $349.95 Add to Compare	Dual Port USB to Serial RS-232 DB-9 Adapter Cable FTDI Chip Regular Price: $59.95 Special Price: $39.95 Add to Compare	USB to RS-422 - RS-485 Serial Surge and Optical Isolation converter Regular Price: $99.95 Special Price: $69.95 As low as: $63.89 Add to Compare	USB2.0 4-Port USB Serial DB-9 RS-232 Adapter -FTDI Chipset $99.95 Add to Compare
DB-9 F/F Serial RS232 Mini Gender Changer - Null Modem Adapter $3.99 Out of stock Add to Compare	RS232 Null Modem DB9 Male to DB9 Female Port Protector $3.99 Add to Compare	BeagleBone Black USB Expansion Cape RS232 I/O Module $37.95 Add to Compare

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