A. Configuration OptionsA-2 September 2004 7990-A2-GB20-20DSL Interface OptionsFor DSL Port Interface Options, refer to Table A-1, DSL Interface Options.To access the DSL Interface Options screen, follow this menu selection sequence:Main Menu→Configuration→Current Configuration→DSL PortTable A-1. DSL Interface Options (1 of 3)Estimated Line LengthThis value is usually specified by the carrier.Possible Settings: Short, Medium, LongDefault Setting: ShortThe estimated line length is the estimated distance from the local exchange to determinethe speeds that can be supported. Estimated Line Length appears only when DSL Mode is set to STU-C andSpectrum Management is enabled (see Table A-6, System Options).Short – Can support speeds up to 2056 kbps (in 64 kbps increments).Medium – Can support speeds up to 1480 kbps (in 64 kbps increments).Long – Can support speeds up to 840 kbps (in 64 kbps increments).Start Up MarginPossible Settings: 0dB – 15dBDefault Setting: 4dBSpecifies the Signal to Noise Ratio (SNR) margin a port must exceed to successfully trainup with the remote unit.0dB – 15dB – The Start Up Margin, in 1 dB increments.main/config/dsl_interfaceModel: 799xDSL INTERFACE OPTIONSEstimated Line Length: LongStartup Margin: 4dBMax DSL Rate: 2056 KbpsMin DSL Rate: 2056 KbpsEIA-530 Payload Rate: 2048 KbpsRemotely Initiated Loopback: EnablePeer IP Address: 135.090.025.001 ClearCircuit Identifier: Clear--------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu MainMenu ExitSave
