DSL-300 ADSL Ethernet Modem User’s Guide
19
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.