Chesilvale Electronics Harrier ISDN Basic Rate Access Phone Tester BRI ISDN2E

The Harrier ISDN Hand Held Tester is designed for direct connection to the customer side 4 Wire ‘S/T’ interface or the 2 Wire (2B1Q) (4B3T option) ‘U’ interface, POTS/Z interface (option) via the connecting cables provided with the Tester.
It is a functional Tester tailored to fit the needs of Technicians installing, commissioning or maintaining an ISDN basic rate line or terminal equipment.
It is designed to cope with frequent changes in service definition and rollout as Network Operators evolve the ISDN to meet the challenges of emerging technology and new applications.