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  1. Startech.com 2Ft 2-Port Usb To Rs232 Serial Adapter

  2. Cablemax RS-232 LED link Tester DB-9 Male to DB-9 Female

    Introduction:The DB9 Tester is the easiest way for you to test the connection on any male or female 9 Pin Serial connections. This adapter allows you to monitor the status of your connections by marking them with LEDS, which flash when there is activity on the pins.

    eBay

  3. New USB to RS232 COM Port Serial Port 9 Pin DB9 Cable Serial Adapter Convertor With Female Adapter

    New USB to RS232 COM Port Serial Port 9 Pin DB9 Cable Serial Adapter Convertor With Female Adapter

    Aliexpress UK

  4. Startech.com 13Ft 2-Port Usb To Rs232 Serial Adapter

  5. RS-232 LED link Tester DB-9 Male to DB-9 Female

    Double colors LED for easy cheeking of data transfer & receive. - Easy to install, Plug & Play.

    eBay

  6. RS232 SP3232 TTL To RS232 Module RS232 To TTL Brush Line Serial Port Module

    RS232 SP3232 TTL To RS232 Module RS232 To TTL Brush Line Serial Port Module

    Aliexpress UK

  7. Black Box Parallel Quick Test Plus RS-232 Breakout Box Serial Data Tester

    Great condition VERY CLEAN.

    eBay

  8. RJ45 to 9-pin female adapter,RJ45 to DB9pin male DB9 female RJ45 to RS232 network port to serial

    RJ45 to 9-pin female adapter,RJ45 to DB9pin male DB9 female RJ45 to RS232 network port to serial

    Aliexpress UK

  9. RS-232 LED Link Tester DB-9 Male to DB-9 Female

    The DB9 Tester is the easiest way for you to test the connection on any male or female 9 Pin Serial connections. This adapter allows you to monitor the status of your connections by marking them with LEDS, which flash when there is activity on the pins.

    eBay

  10. Micro USB to RS232 Serial Cable, RS232 DB9 Male Serial COM Port to Micro USB Serial Converter Cable

    Micro USB to RS232 Serial Cable, RS232 DB9 Male Serial COM Port to Micro USB Serial Converter Cable

    Aliexpress UK

  11. RS-232 Mini Tester, Monitors RN 2, 3, 4, 5, 6, 8, and 20

    Monitors RN 2,3,4,5,6,8, and 20. Monitors lines: TD, RTS, DSR, CD, RD, CTS and DTR. Seven Tri-state (2 color) LEDS.

    eBay

  12. Voltronic RS232 EG4 6000EX 6500EX FTDI FT231XS USB to RJ45 RS232 Port Serial Cable

    Voltronic RS232 EG4 6000EX 6500EX FTDI FT231XS USB to RJ45 RS232 Port Serial Cable

    Aliexpress UK

  13. SPC RS232 Quick Port Tester 85870153

    eBay

  14. HDMI Tester RJ45 Network Cable Tester HDMI port test,Ethernet Tester Checker LAN Cable Detector,HDMI

    HDMI Tester RJ45 Network Cable Tester HDMI port test,Ethernet Tester Checker LAN Cable Detector,HDMI

    Aliexpress UK

  15. Vintage RS232 Mini-Tester Serial Computer Test Equipment 2 1/2" Y37

    There are not any cracks or chips. PLEASE SEE THE PHOTOS UNDER THE DESCRIPTION OR "SEE FULL ITEM DESCRIPTION". This is a vintage RS232 Mini-Tester for serial port computer test equipment. It is about 2 1/2 inches long. There are not any chips or cracks!!!! Please look at all of the pictures to see exactly what you are buying.... This is in good vintage condition and would make a great gift or a perfect addition to your collection!!!! We will ship this anywhere in the US for FREE!!!! Check out our eBay store for GREAT prices on special finds and luxury items!!!!.

    eBay

  16. HDMI Tester RJ45 Network Cable Tester HDMI port test,Ethernet Tester Checker LAN Cable Detector,HDMI

    HDMI Tester RJ45 Network Cable Tester HDMI port test,Ethernet Tester Checker LAN Cable Detector,HDMI

    Aliexpress UK

  17. Applied Materials (AMAT) RS-232 THROTTLE VALVE TESTER

    THROTTLE VALVE TESTER

    eBay

  18. Juxin DB9 serial port cable RS232 connecting line male to male and female to female 9-pin COM port

    Juxin DB9 serial port cable RS232 connecting line male to male and female to female 9-pin COM port

    Aliexpress UK

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