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据《Djgital Desing》1986年1月刊报道:数据安全设备能使局部文件和网络数据的传输安全可靠。数据安全模块被安装在modem和pc或主机之间两边的终端设备的通信链路的末端上。当使用NBS数据加密标准(DES)时,数据安全则使用一台自动实现
According to “Djgital Desing” January 1986 issue: Data security equipment makes local file and network data transmission secure. The data security module is installed on the end of the communication link of the terminal device on either side of the modem and the pc or host. When using NBS Data Encryption Standard (DES), data security uses an automatic implementation