A cold shrink protective cover for a cable junction including a first cable having a first outer diameter and a second cable having a connection to the first cable. Air can be supplied to the suction head to create a suction pressure in the suction head to cause settling solids beneath the suction head to pass along the outlet duct or ducts. This way, the present system enhances Quality of Service by properly estimating the speed and time and enabling a terminal, or an entity in the network, to take preemptive actions to ensure optimal QoS. The printing setup display unit displays the differential printing setup.