1. A mobile system for the occurrence of gravity separation of donor blood into erythrocyte mass and plasma, containing the first packet (1) and at least one second and one third packets (4, 5) serving as a reservoir for storing the blood to be separated; erythrocyte mass receiving, respectively, plasma, as well as several hoses for connecting flexible bags consisting of plastic material with a separator module (11) having a separation membrane in the form of a hollow fiber bundle, characterized in that the system and is divided into at least one first and one second sterile-packed, individual partial systems such that said at least one first partial system contains separate bags (1, 4, 5) and corresponding connecting hoses, and the second partial system contains a separator module ( 11), and that for connecting hoses to the separator module (11), connectors (8, 17; 20, 18; 10, 23) of the pin and socket type are provided, one part of which is fixed, respectively, integrated into the case of the separator module (11), and the response is cha It is connected to corresponding end shlanga.2. The mobile system according to claim 1, characterized in that the packaged partial systems are sterilized using different methods, wherein at least one first partial system is steam sterilized and the second partial system is sterilized using gamma radiation or beta radiation. The mobile system according to claim 1 or 2, characterized in that in the sterilely packed partial systems, the open connecting parts are closed with removable fitted caps. 4. The mobile system according to claim 1 or 2, characterized in that it is divided into1. Мобильная система для происходящего с помощью силы тяжести разделения донорской крови на эритроцитарную массу и плазму, содержащая служащий в качестве резервуара для хранения подлежащей разделению крови первый пакет (1) и по меньшей мере один второй и один третий пакеты (4, 5) для приема эритроцитарной массы, соответственно, плазмы, а также несколько