ADSL2+ Tester 1 Overview
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snap. Whether for installation, maintenance and/or troubleshooting of ADSL circuits, ILECs,
CLECs and sub-contracting business installers will agree that this ADSL Tester is the right
tool for the job! It accurately verifies that the local loop can carry the promised service.
1.3
Basic Functions
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Auto line standard set
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Support ADSL2+, ADSL2, RE-ADSL and other regular ADSL standards
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ADSL Line Parameters Measurements:
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Maximum Bit Rates: Upstream and Downstream
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Actual Bit Rates: Upstream and Downstream
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Capacity: Upstream and Downstream
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Noise Margin (Signal to Noise Ratio): Upstream and Downstream
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Output Power: Upstream and Downstream
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Attenuation: Upstream and Downstream
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Basic physical connection information displayed: Line modulation mode,
channel and connection status
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SNR and Hlog per tone
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ADSL Link Statistics Counters (Upstream and Downstream):
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Send Frame (SF)
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Send Frame Errors (SFErr)
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Loss of Signal (LOS)
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Loss of Frame (LOF)
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Reed-Solomon corrections (RS) and errors (RSCorr)
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Cyclic Redundancy Check (CRC) anomalies
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No Cell Delineation (NCD)
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Header Error Check (HEC)
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Out of Cell Delineation (OCD)
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Error Seconds (ES), Severely Errored Seconds (SES), Unavailable Seconds
(UAS)
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Bit Errors
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Total Cells, Data Cells, Drop Cells
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ADSL Line BER testing: