Scientific Atlanta AT9500

The AT9500 Digital Transmission Analyzer is a high performance test set for DS1, DS3, SONET, and future digital networks. The unit can perform more than 100 measurements simultaneously and stores up to 25 preset operator-defined tests, transmits DS3 and DS1 test patterns for out-of-service installations, isolates DS1 sync problems, and simplifies testing with long-term error storage.