TRANSFER SYSEM FOR LINE STATUS DISPLAY DATA

PURPOSE:To transfer a line status display data of an exchange to a central line status monitor panel installed at a remote location from the exchange through one common signal line by providing a multiplex circuit and a multiplex conversion circuit. CONSTITUTION:A multiplex circuit 2 sends a multiplexed line status display data to a central line status monitor panel 3 via a common signal line 6. A multiplex conversion circuit 3A of the central line status monitor panel 3 converts the data into a line status display data corresponding to relay lines 41-4n respectively. Then the multiplex conversion circuit 3A sends the converted line status display data to a line status display control circuit 3B via signal lines 71-7n respectively. The line status display control circuit 3B displays the line status of the relay lines 41-4n onto a display light 3C via signal lines 81-8n. Thus, number of transfer signal lines for the line status display data is decreased.