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The HP 37900D signaling test set makes it easy to investigate signaling system No.7 interactions. An applications-oriented user interface sets up the instrument to troubleshoot and resolve signaling problems, ensure network conformance and compatibility, and verify SS No.7 - ISDN interactions. The HP 37900D monitors up to four bidirectional signaling links simultaneously. When analyzing in-service performance, it provides dedicated real-time decode displays that show signaling transactions as they happen. It also uses dedicated triggers, filters, and traces to collect relevant test data for in-depth post-logging analysis. An optional emulate capability allows the it to perform conformance, compatibility, and regression or acceptance tests. It performs single tests or an automatic sequence of tests on up to eight signaling links simultaneously. A number of pre-programmed, ready-to-run tests are available. The tests include real-time decode displays, message sequence traces, or statistics. Applications software available includes GSM monitor, IS.41 MAP analysis, Japan TICSS No.7, ITU-TQ.791 statistics, ITU-T MTP conformance tests, ISDN basic and primary rate analysis.
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