| 摘要 |
Traffic simulator for tandem exchange testing. The simulator comprises a calling side module (CAM) to simulate a calling exchange, with facilities for the selection of dialling information, type of test operation and signalling code and connected to the tandem exchange (CT) at an i/c circuit terminating equipment (JA) of a type suited to the selected signalling code; answering side module (CAV) to simulate a called exchange, connected to the tandem exchange at an o/g circuit terminating equipment (JD) and comprising means for selection of the signalling code for communication with said terminating equipment, said two modules being independent and signal flows between them passing exclusively through the tandem exchange. |
