ZyXEL P-663HN-51 User Guide - Page 45
Device Info > Statistics > ADSL continued
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Chapter 4 Device Information Table 8 Device Info > Statistics > ADSL (continued) LABEL DESCRIPTION Link Power State This is the ADSL connection's current power management mode. SNR Margin (dB) This is the upstream and downstream Signal-to-Noise Ratio Margin (in dB). A DMT sub-carrier's SNR is the ratio between the received signal power and the received noise power. The signal-to-noise ratio margin is the maximum that the received noise power could increase with the ZyXEL Device still being able to meet its Attenuation (dB) Output Power (dBm) Attainable Rate (Kbps) Aggregate Rate (Kbps) DSL1 Rate (Kbps) DSL2 Rate (Kbps) Super Frames Super Frame Errors RS Words RS Correctable Errors RS Uncorrectable Errors HEC Errors OCD Errors LCD Errors Total Cells Data Cells transmission targets. This is the downstream and upstream Line Attenuation (in dB). This field displays the amount of power being used to transmit to the other end of the ADSL link. Output power varies with the line length and quality. The longer the line is or the more interference there is on the line, the more power is needed. These are the downstream and upstream highest theoretically possible transfer rates (in Kbps). These are the combined downstream and upstream rates (in Kbps) of the two DSL ports. These are the downstream and upstream rates (in Kbps) at which the DSL1 port has been receiving and sending data. These are the downstream and upstream rates (in Kbps) at which the DSL2 port has been receiving and sending data. These are the downstream and upstream numbers of downstream and upstream super frames. These are the downstream and upstream numbers of errored super frames sent and received. These are the downstream and upstream numbers of Reed-Solomon error correction words. These are the downstream and upstream numbers of Reed-Solomon errors. The number of downstream and upstream uncorrectable Reed-Solomon errors. These are the downstream and upstream numbers of Header Error Control errors. These are the downstream and upstream numbers of Out of Cell Delineation errors. The number of 1-second intervals since reset where loss of cell delineation occurred. The total numbers of downstream and upstream ATM cells. The total numbers of downstream and upstream data cells. P-663HN-51 User's Guide 45