Asus DSL-AC56U users manual in English - Page 80
Rx AGC GAIN Adjustment ADSL
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• Annex Mode: This device supports different DSL Variant (Annex) - Annex A, Annex I, Annex A/L, Annex M, A/J/J/L/M (multiple-mode), Annex B, Annex B/J (multiple-mode). Contact your ISP to find out the DSL variant (annex) that is used on your DSL line. • Dynamic Line Adjustment (ADSL): This function allows the system to monitor and maintain the stability of the ADSL line. This function is enabled by default, and the system adopts corresponding changes based on the current ADSL line condition. • Stability Adjustement (ADSL): It allows you to configure the Signal-to-Noise Ratio Offset. Set the value for this item based on the following conditions: • Normal DSL connection: Set the value from 1 dB ~ 10dB for maximum performance. • Unstable or no ADSL connection: Set the value to a negative dB such as -1 dB. • Persistent issue with unstable or no ADSL connection: Set the value from -2dB ~ -10 dB for maximum stability. • Rx AGC GAIN Adjustment (ADSL): Allows you to configure Rx AGC GAIN (Auto Gain Control) for your ADSL line. You can set this item to any of these modes: • Stable: Select this mode to get a stable ADSL connection. • High Performance: Select this mode to improve the current downstream speed. • Default: Select this mode for your xDSL modem router to automatically assign the suitable mode for your ADSL line. • Stability Adjustment (VDSL): It allows you to configure the target SNRM (Signal-to-Noise Ratio Margin) for your VDSL connection. When configuring this item, you may consider the following scenarios: • For maximum downstream performance, set this item to a value lower than the original (such as from 8dB to 7dB or lower). IMPORTANT! Setting a low value may weaken your xDSL modem router defense against line noise, and may result to VDSL sync loss or failure. • For a more stable VDSL connection, set this item to a higher value such as 9dB ~ 30dB. 80