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DSL-300 ADSL Ethernet Modem User’s Guide
19
The data provided in the Advanced ADSL Information window includes:
♦ Re_training – number of attempts to establish the ADSL connection
♦ CRC – Cyclic Redundancy Checking, number of CRC errors since ADSL
connection established
♦ FEC – Forward Error Correction, number of FEC errors since ADSL
connection established
♦ HEC – Header Error Checking, number of HEC errors since ADSL
connection established
♦ Line Attenuation – measured in dB
♦ Noise Margin – measured in dB
♦ Output Power – measured in dBm
The Carrier Information menu displays the frequency distribution of the
upstream and downstream bandwidth. The upstream portion occupies the lower
frequency block.