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    RS-232 LED Link Signal Tester - DB-9 Male to DB-9 Female Connections for Serial Communication Monitoring

    • [ Instant Diagnostics ] : Quickly test COM port function & verify RS-232 signal activity with dual-color LED indicators on each pin for easy troubleshooting.
    • [ Universal Compatibility ] : This serial tester works with any male or female 9-pin RS-232 serial connection, supporting DB-9 configurations.
    • [ No External Power Required ] : Operates without external power - ideal for field work, portable kits, or low-resource environments.
    • [ Plug & Play Installation ] : No drivers or setup needed - just connect and begin testing immediately.
    • [ Quick Status Monitoring ] : LED indicators flash to signal the direction of data flow, allowing easy real-time monitoring.
    • [ Broad OS Support ] : Compatible with Windows 11, 10, 8, 7, Linux, and macOS for flexible deployment across platforms.
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    DB9 Serial LED Array Tester RS-232
    RS-232 DB9 Tester

    RS-232 LED link Tester

    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. This device is easy to install, it features a Plug & Play Easy test RS-232 Host to Device link.

    Features

    • Standard RS-232 DTE & DCE Interface with DB-9 / F & DB-9 / M Connectors.
    • RS-232 DB-9 / DB25 Pin assignment No Power required.
    • Easy to install , Plug & Play.
    • Windows 11, 10, 8, 7, Linux, & macOS
    • Data rate: Up to 200 Kbps
    RS-232 DB9 Tester

    Activity Monitoring LED Array

    Double color LEDs are implemented for an easy way to monitor the transferring & receiving of data. Pin Assignment:

    • Pin1 / Pin8 : DCD IN
    • Pin2 / Pin3 : RXD IN
    • Pin3 / Pin2 : TXD OUT
    • Pin4 / Pin20 : DTR OUT
    • Pin5 / Pin7 : GND
    • Pin6 / Pin6 : DSR IN
    • Pin7 / Pin4 : RTS OUT
    • Pin8 / Pin5 : CTS IN
    • Pin9 / Pin22 : RI IN

    RS-232 DB9 Tester

    Easily Portable

    With the tester's compact size along with an easy Plug & Play setup, quickly make sure your COM ports are working properly, effortlessly.

    Dimensions: 1.77 × 1.38 × 0.82 in. (L × W × H)

    DB9 Serial LED Array Tester RS-232
    RS-232 DB9 Tester

    RS-232 LED link Tester

    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. This device is easy to install, it features a Plug & Play Easy test RS-232 Host to Device link.

    Features

    • Standard RS-232 DTE & DCE Interface with DB-9 / F & DB-9 / M Connectors.
    • RS-232 DB-9 / DB25 Pin assignment No Power required.
    • Easy to install , Plug & Play.
    • Windows 11, 10, 8, 7, Linux, & macOS
    • Data rate: Up to 200 Kbps
    RS-232 DB9 Tester

    Activity Monitoring LED Array

    Double color LEDs are implemented for an easy way to monitor the transferring & receiving of data. Pin Assignment:

    • Pin1 / Pin8 : DCD IN
    • Pin2 / Pin3 : RXD IN
    • Pin3 / Pin2 : TXD OUT
    • Pin4 / Pin20 : DTR OUT
    • Pin5 / Pin7 : GND
    • Pin6 / Pin6 : DSR IN
    • Pin7 / Pin4 : RTS OUT
    • Pin8 / Pin5 : CTS IN
    • Pin9 / Pin22 : RI IN

    RS-232 DB9 Tester

    Easily Portable

    With the tester's compact size along with an easy Plug & Play setup, quickly make sure your COM ports are working properly, effortlessly.

    Dimensions: 1.77 × 1.38 × 0.82 in. (L × W × H)

    RS-232 LED Link Signal Tester - DB-9 Male to DB-9 Female Connections for Serial Communication Monitoring

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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    Return Policies

    • Return for refund within: 30 days
    • Return for replacement within: 30 days
    • This item is covered by Lumin Tech Return Policy

    Manufacturer Contact Info

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