The 1U integrated transmission equipment is highly integrated and small. It adopts 19 inch standard 1U rack to provide 1+1 redundant backup of power (AC/DC optional), and is easy to install and use. 1U integrated transmission equipment can provide up to 4 service slots, supports different service cards to mix and insert and hot swapping, supports in-band and out-of-band network management; selects each channel bandwidth according to needs to meet different needs of customers; remote online upgrades, maintainability.