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PC-modem是电子部六所自行设计研制的低速调制解调器。由RS-232接口与主机串行口相接,并由专用口与电话线或专线相接,可在现有的电话交换网上或专线上实现远距离全双工数据传输。它可与
PC-modem is designed and developed by the Ministry of Electronics six low-speed modems. By RS-232 interface with the host serial port phase, and by a dedicated port and telephone line or green phase, in the existing telephone exchange network or green to achieve long-distance full-duplex data transmission. It can be with