METHOD, DEVICE AND SYSTEM FOR REDUCING ENERGY CONSUMPTION OF XDSL USER BOARD

摘要

Disclosed is a method for reducing energy consumption of an xDSL user board, including: acquiring the maximum downlink service bandwidth provided to a user by a number allocation user port, the downlink signal-to-noise ratio margin in a user port line connection parameter and the transmission mode information in the line template bound by the user port; judging whether or not the downlink signal-to-noise ratio margin is greater than a preset value, and, if it is, then reducing the downlink maximum nominal total transmission power, otherwise configuring the downlink maximum nominal total transmission power as the downlink transmission power in the current port line connection parameter; calculating the minimum non-distortion supply voltage required by the corresponding line driver of each number allocation user port in the current bound template configuration according to the downlink maximum nominal total transmission power and the transmission mode and comparing each minimum non-distortion supply voltage to find the maximum value; and controlling the output voltage of the power supply module of the line driver at the maximum value.