RS-232 Serial Port Tester

GC testers are designed to test the operation of your computer circuit to help isolate a problem or to map the pin-out configuration of the circuit in question.

This RS-232 Breakout Port Tester provides an easy method of checking computer and terminal equipment to determine if the signals are being generated. LEDs indicate presence of data or control signals. A fast way to determine if a problem is in equipment or cables.