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 2.0 to RS-232 4-Port Mountable Industrial Serial Adapter $99.98 Add to Compare	Industrial USB 2.0 to RS-232 8-Port Serial Adapter DIN rail Mountable $199.98 Out of stock Add to Compare	3-Port Industrially Isolated USB to RS232 DB9 Male Adapter $99.99 Out of stock Add to Compare	Isolated USB to 2-Port RS-232 Extender Over Cat.5 up to 2000m $189.99 Out of stock Add to Compare
4-Port DB-9 Male Isolated USB to RS422 RS485 Serial Adapter $179.99 Out of stock Add to Compare	Isolated USB to 2-Port RS232 / 422 / 485 Serial DB-9 Adapter $99.99 Out of stock Add to Compare	BeagleBone Black USB Expansion Cape RS232 I/O Module $37.95 Add to Compare	USB C to Serial RS232 Adapter with LED Indicators USB 2.0 $34.95 Add to Compare
8 Port USB to Serial DB9 Industrial RS232 Adapter 15KV ESD and Surge $99.99 Out of stock Add to Compare	4 Port USB to Serial DB9 Industrial RS232 Adapter 15KV ESD and Surge $79.99 Add to Compare

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