The standard hose (HO-20 & HO-30) will activate the system when you plug into the inlet and switch it off when unplugged.
The remote control hoses (HO-06RC & HO-11RC) have a 'two-position' switch which allows you to turn your Central Vacuum on or off from the hand-set. This can be useful if you want to move furniture or the door bell or phone rings while you are doing the cleaning and eliminates the need to unplug the hose. The switch is recessed to protect it from damage, and the unique "over-grip" handle is designed to help keep the hose weight down and relieve stress on your wrist.
Any length of vacuum hose can be supplied, please ask for details.