ALFA DSL

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Test of ADSL/ADSL2/ADSL2+ line (with DSLAM) : 
 SNR (signal-noice ratio) 
 Insertion Loss 
 Bitrate (BRP) Downstream and Upstream 
 Spectrum Annex A & Annex B 
 
Fault location: 
 Insulation fault (RFL) 
 Shot (RFL, TDR) 
 Open (TDR, RFL) 
 Bad matching of the line (TDR) 
 Bad connections with reflection (TDR) 
 
Measuring: 
 Insulation resistance (BRIDGE) 
 Electrical capacity (BRIDGE) 
 Loop resistance and ohmic asymmetry (BRIDGE) 
 Voltage on line 
 
Insulation resistance 1 kОhм – 50 GOhm  2% 
Electrical capacity 0,1 – 2000 nF  2% 
Loop resistance 0 – 10 kОhm  0,1% 
Test voltage 400 V, 180 V 
Fault insulation located 0 – 20 MOhm 
 Accuracy of fault location 0,1%+1m 
Voltage measurement 0 – 300 V

Specification

ADSL Test + RFL (Resistance Fault Locator) + TDR
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