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High accuracy and stability.
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CCITT Dual Tone multi frequency, level, distortion analysis.
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CCITT Pulse signal MAKE/ BREAK ratio analysis.
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Pulse signal ON/OFF equivalent resistance analysis.
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Preset 4 sequence f ringing signal output.
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Print out test results through print port.
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RS232 interface for PC control/ test parameters setting
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15set QC limit.
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Meet ETSI Euro telephone signaling standard.
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Selectable 600Ω/900Ω output impedance with TALK between PORT A and B.
