摘要 |
<p>A system (10) operates a digitally controlled model railroad by transmitting a first command from a first client program (14) to a resident external controlling interface (16) through a first communications transport (12). A second command is transmitted from a second client program (14) to the resident external controlling interface (16) through a second communications transport (12). The first command and the second command are received by the resident external controlling interface (16), which queues the first and second commands. The resident external controlling interface (16) sends third and fourth commands representative of the first and second commands, respectively to a digital command station (18) for execution on the digitally controlled model railroad.</p> |