The Aegis Instruments range of test telephones are designed for use on all PSTN systems by line installers, repair technicians, and other tradespeople for phone line testing and monitoring. There is a model suitable for every application, from basic to advanced, meaning you can choose the butt set that is right for you.
The CZ20019 is the basic entry level buttinski with all the basic features required for phone line testing. A high impedance monitor mode protects interruption to ADSL when monitoring the line. Fluke Networks means reliability and this is one tried and tested product. You can always rely upon this butt.
Note! Subject to technical change without notice.