Special Features:

22.0 v min. And 30.0 v max. Dc; contains: (2) communications console distribution units; (1) supervisor module group assembly; (3) asr module group assembly; (2) par module group assembly; (4) assistant module group assembly; (1) tower remote interoom assembly; (1) asr remote intercom assembly; (2) tower unit request/acknowledge assembly

Properties:

A grouping of two or more sets, with or without other components which are operated conjunctively in the same location to provide two or more modes of communications (radio, facsimile, telephone, telegraph, teletypewriter, etc.). May also provide facilities for controlling, switching, monitoring and the like. May be fixed or mobile installation.