CableMAX - Serial Signal Tester for RS-232 Devices - DB-9 Male to DB-9 Female - LEDs - Serial Communication Monitoring - Black
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About this product
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.
Fast diagnostics
Quickly test COM port function & verify RS-232 signal activity with dual-color LED indicators on each pin for easy troubleshooting.
No external power required
The tester draws power directly from your USB port, so no extra power supply is needed for true plug & play convenience.
Status LEDs keep you informed
Easily monitor your connection with LED indicators which flash to signal the direction of data flow, allowing easy real-time monitoring.
Super compact size
Small adapter size is perfect for tight spaces and quick troubleshooting tasks in any setup.
Broad OS compatibility
Works seamlessly with Windows 7 through Windows 11, macOS, and Linux.
- Connector Type (End 1)USB-AConnector Type (End 2)D-Sub (DB-9)
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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.

StarTech.com NM9FF DB9 RS232 Serial Null Modem Adapter - F/F

This Insignia NS-PU99501 cable allows you to connect a device with an RS-232 (DB9) serial port to a USB hub or USB-equipped PC or Mac and supports data transfer rates of more than 115 Kbps for rapid performance.

The 3m Black Straight Through DB9 RS232 Serial Cable (MXT1003MBK) is designed to extend RS232 serial connections by up to 3 meters, providing flexibility in positioning your serial devices. It features high-quality shielding to prevent electromagnetic interference (EMI) and nickel-plated connectors with strain relief molding for enhanced durability. This cable is backed by a lifetime warranty, ensuring reliable performance.
| 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— | Overall Performance, Compatibility, USB, Ease of use, Price | There were no pros for this product— |
| Cons for CableMAX - Serial Signal Tester for RS-232 Devices - DB-9 Male to DB-9 Female - LEDs - Serial Communication Monitoring - Black | |||
| There were no cons for this product— | There were no cons for this product— | Cable Length | There were no cons for this product— |
Specs
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