Tektronix K1404 ISDN U Analyzer
"The K1404 ISDN U Analyzer provides a test set for measuring at the ISDN U interface. It is a compact design suited for development, test, and maintenance departments."
"The K1404 can perform measurements on ISDN components in accordance with the ANSI T.601 and ETSI ETR 80 standards. Its modular design is expandable, allowing it to be adapted to perform special measuring tasks."
Certified Conformance Tester
Measurement on TE & NT Accord. ITU-T
Testing of Functional Characteristics
Testing of Procedural Characteristics
Transmission Parameters Measurements
Power Feeding Measurements
Trace Analysis of the TTCN Tests