论文部分内容阅读
美国NOVACOM公司制造的937型STU—Ⅲ接口系统(SIS),可以提供PBX(小型用户交换机)与标准STU—Ⅲ(第三代保密电话装置)之间的保密连接SIS的特点如下: ·红/黑隔离(注:指Tempest中红(不安全)/黑(安全)界面的隔离)
The Model 937 STU-III Interface System (SIS), manufactured by NOVACOM, USA, provides confidential connections between the PBX (Small Form-Factor Private Branch Exchange) and the standard STU-III (Third Generation Secure Telephone Device) SIS features are as follows: Red / Black isolation (Note: refers to the Tempest red (insecure) / black (security) interface isolation)