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The HP 37730A is an in-depth analysis tool for CCITT rates from 2 Mb/s to 140 Mb/s. It provides accurate and immediate identification of in-service network problems. A quick check of the analyzer's bright front-panel LEDs clearly shows the status of network alarms. "Fastscan" diagnoses framing bits and alarms at all hierarchical levels in less than 2 sec. The HP 37730A's capabilitities also include G.821 analysis to Annex D, frequency measurement, and full audio and signaling diagnosis. At 8, 34, and 140 Mb/s: Signal loss, AIS, frame alignment, distant alarm, justification, FAS, reserved bits, justification control bits. At 2 Mb/s: Signal loss, AIS, frame alignment, multiframe alignment, FAS, CRC. At 64 kb/s: Level, peak code, offset, signaling, BER.
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