ISDN/POTS Testers

Test Primary and Basic rate ISDN services as well as analog telephony. Handheld, simple to operate yet with powerful diagnostic features.

IN-ARGUS-3u
ISDN U and S-Bus access tester
IN-ARGUS-156
Triple-play and xDSL combi tester
IN-ARGUS-153
ARGUS 153 multifunction (ADSL & VDSL)