D-Link DSL-300, Руководство пользователя

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DSL-300 ADSL Ethernet Modem User’s Guide
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characteristics and loop distance.
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.