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The DB9-TERS DB9 Serial Tester is a simple, plug-and-play tool that helps you troubleshoot and monitor RS-232 connections with ease. Equipped with dual-color LEDs, it provides a clear visual of data transmission and reception activity across all 9 pins with no power source required. Designed with both DB9 male and female connectors, this compact tester fits seamlessly between your RS-232 host and device, making it perfect for verifying DTE and DCE interfaces. It supports data rates up to 200Kbps and works across Windows, macOS, and Linux systems. Whether you're testing communication lines or checking pin activity, this tester keeps things easy and efficient.
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The DB9-TERS DB9 Serial Tester is a simple, plug-and-play tool that helps you troubleshoot and monitor RS-232 connections with ease. Equipped with dual-color LEDs, it provides a clear visual of data transmission and reception activity across all 9 pins with no power source required. Designed with both DB9 male and female connectors, this compact tester fits seamlessly between your RS-232 host and device, making it perfect for verifying DTE and DCE interfaces. It supports data rates up to 200Kbps and works across Windows, macOS, and Linux systems. Whether you're testing communication lines or checking pin activity, this tester keeps things easy and efficient.

C2G 52038 DB9 F/F Serial RS232 Null Modem Cable, Black (6 Feet, 1.82 Meters)

Use the Best Buy essentials 6.5' DVI-D Single Link Cable to connect a monitor, TV or projector to your PC or laptop. It’s compatible with single-link DVI-D and DVI-I ports, sending digital signals for high-definition images. Nickel-plated connectors ensure durability and reliable signal. A 6.5 ft. cable allows for flexible placement options, granting the reach you need to connect your devices. Built-in thumbscrews secure the connectors to your computer and connecting device, for a secure fit you can rely on. Plus, it’s backed by Best Buy, so you know our cable will help create the perfect setup.

This VGA cable extends and mirrors the screen of your computer to a VGA display, such as a TV or monitor. The corrosion-resistant cable transmits reliable video signals at resolutions up to 1920 × 1200, letting you watch movies, videos and more in full HD. A 6 ft. length ensures you’ll be able to position your devices wherever you want them.
| Pros for CableMAX - Serial Signal Tester for RS-232 Devices - DB-9 Male to DB-9 Female - LEDs - Serial Communication Monitoring - Black | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Quality, Ease of use, Cable Length, Compatibility, DVI | Quality, Ease of use, Cable Length, VGA, Connectivity |