\documentclass{standalone}
\usepackage{tikz}
\usetikzlibrary{shapes.geometric}
\input{repeater}
\begin{document}
 \begin{tikzpicture}[every node/.style={scale=.8}]
  \user{r1}{ 0,0}{Reinigung 1};
  \user{r2}{ 2,0}{Reinigung 2};	
  \draw[dotted] (3,4) -- (3,-1);
  \user{s1}{ 4,0}{Sicherheit 1};
  \user{z} { 6,0}{Zentrale};
  \draw[dotted] (7,4) -- (7,-1);
  \user{s2}{ 8,0}{Sicherheit 2};
  \user{r3}{10,0}{Reinigung 3};
  \repeater{R1}{1,3}{Terminal 1, TG: R,S};
  \repeater{R2}{5,3}{Terminal 2, TG: R,S};
  \repeater{R3}{9,3}{Vorfeld, TG: S};
 \end{tikzpicture}
\end{document}
