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USB to RS232 isolated TTL Adapter The new USB to RS232 isolated TTL adapter allows you to control your voltage setting as you need whether…

Model# USB-232TTLMOS-IS

$54.95

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Optical Isolation and Surge Protection for RS-232/422/485 Ports Our series of Industrial USB 2.0 to terminal block serial adapters supports RS-232, RS-422, and RS485 electrical…

Model# USB2-4COMi-SI-TB

$219.95

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Female to Female RS232 Mini Gender Changer or Null Modem Adapter for serial applications.

Model# DB9-FFRS232-GC

$4.95

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High-Speed USB to Serial Adapter The USB-COMi-SI-M is a USB to Optical isolated RS-422/485 Serial Adapter (with Optical Isolation & Surge Protection) It is designed…

Model# USB-COMi-SI-M

$131.95

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USB to RS232 TTL Cable Adapter The new USB to RS232 TTL adapter allows you to control your voltage setting as you need whether 3.3V…

Model# USB-232TTLMOS

$43.95

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RS232 Male to Female Serial Data Cable Complete your serial data connection with this 5ft. RS232 DB-9 Male to Female data cable for fast reliable…

Model# 9DBMF5FT

$2.95

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Optical Isolation and Surge Protection for RS-232/422/485 Ports The USB2-8COMi-SI-TB is a USB 2 to 8-port industrial serial adapter that protects you device(s) with optical…

Model# USB2-8COMi-SI-TB

$329.95

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Factory Automation Serial Adapter The USBG-422MINI adapter has No jumper setting to set, The Mini USB to RS-422/485 Plug-in Adapter adds a RS-422 or RS-485…

Model# USBG-422MINI

$43.95

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DB-9 Female Null Modem Cable Allows two computers to communicate without the use of modems. 6ft. long cable for convenient connection length. Does not require…

Model# CAB-18990

$4.95

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Terminal block serial adapter for RS-232/422/485 Our series of Industrial USB 2.0 to terminal block serial adapters support RS-232, RS-422, and RS485 and are designed…

Model# USB2-4COMi-TB

$164.95

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15KV ESD and 600W Surge Protection for RS-232/422/485 Ports Our series of Industrial USB 2.0 to terminal block serial adapters supports RS-232, RS-422, and RS485…

Model# USB2-8COMi-TB

$274.95

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Protect your computer's serial port with this DB9 Male to Female Null Modem Adapter by removing port strain.

Model# DB9-MFRS232-PP

$4.95

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USB to RS232 Adapter with RS422 and RS485 With flexibility in communications standards, the USB to RS-232 Industrial Pro Line serial adapter USB-2COM-PRO supports RS232, RS422, RS485…

Model# USBG-2COM-PRO

$192.95

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RS-232 to RS-485 Signal Conversion Make short work out of converting your serial port signals from RS-232 to RS-485 by using a 5-Pin terminal block…

Model# US-485C

$32.95

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RS485 Serial Adapter for Factory Automation Adapting to new technology, the USB-COMi-TB USB to Industrial Single RS-422/485 Adapter is designed to take industrial serial communication port expansion…

Model# USB-COMi-TB

$98.95

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Terminal Block Connector - Mini Serial RS232 This DB9 to Terminal is designed to convert the RS422/485 signals in a Micro sized package. The iSerial-TB5 DB9-Female…

Model# iSerial-TB5

$21.95

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Passive RS232 to RS485 Converter RS232 to RS485 terminal block passive converter to operate in full or half-duplex capacity. Use this compact light weight molded…

Model# US-485TBP

$21.95

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USB to RS485 2-Port Serial Adapter Support for your existing RS422 and RS485 serial devices doesn't disappear because your new computer doesn't have serial ports. The USB-2COMi-M…

Model# USB-2COMi-M

$197.95

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