This RS-232 mini tester (checker) is designed to connect in series with any RS-232 interface. Bright LED signals clearly show which lines are active (peferet for those color blind)
Mini Testers are used to check the interface for failures and to help identify the equipment that has failed. The tester may be left in the line permanently. It is transparent to data transfer.
16 LEDís indicate the status of the following lines: 1CD, 2 RXD, 3TXD, 4DTR, 6DSR, 7RTS, 8CTS, 9RI.
- RS232 mini tester x 1
- RS232 is a D-sub 9 Pin connector