Testers

Know with this LED mini tester This RS-232 mini tester is designed to connect in series with any RS-232 interface. Bright red or green LED signals clearly show which lines are active. The LEDs? color indicates Negative or Positive voltage, with red meaning Negative, green showing Positive. Mini Testers are used to check the interface for failures and ..

LED display monitors signals Reconfigure your RS-232 interfaces with this LED display breakout box. Test and rewire your RS-232 interfaces with this portable, pocket-size BreakOut Box. It provides access to all 25 conductors of the RS-232/V.24 interface between the data terminal and data communications equipment. The LEDs monitor the status of ten primary s..