The SQ-DSA-1001 is a 1×8 DS3 DA (distribution amplifier) which is used in SEQUOIA Series Intelligent Signal Processing System. The module supports 1 channel DS3 signal input and 8 channels DS3 signal outputs. The first channel signal outputs continuously when module is removed or the power is off. LED indicator on module edge shows the status information of signals, and the ADJ switch can adjust the parameters manually. Module with independent rear panel can be used in SEQUOIA 1RU or 2RU frame. The SQ-DSA-1001 supports the internet monitoring of SEQUOIA series platform. The adjustment of parameters and monitoring of signal status can be realized via SEQUOIA network control module SQ-NET and platform control software SQ-MASTER.