US Army Security Agency 

Hey, does the teletype tape bring back memories?  Remember how we rolled it into a figure eight prior to 'zagging' it.  The tapes pick shade indicates  a new roll was needed.

DATA COMMUNICATIONS TERMINAL SPECIALIST

 Duties: Operates data communications terminal equipment including teletypewriter, card and tape handling, cryptographic and associated devices. Processes and delivers messages and performs related clerical and administrative functions in a Data Communications Terminal.  Attends and operates teletypewriter and data communications terminal equipment, performing functions required to receive, process, and forward traffic. Monitors, acknowledges and takes action when alarms denote equipment malfunctions, message discrepancies or circuit failure.  Prepares messages into paper tape for transmission. Conducts tests to determine the degree of in-station traffic handling efficiency. Maintains master station logs of equipment status and significant events. Receives, stores, uses, destroys, and accounts for all cryptographic material issued to the data terminal.  Performs operator maintenance on data communications terminal equipment. Observes and corrects faulty work procedures, evaluates subordinate personnel, makes work assignments, and supervises work of subordinate.

 Skills and Knowledge: Must know data communication center organization and mission. Must know DCA organization pertaining to a data communications network.  Must know fundamentals of electronic synchronization as applied to data terminals, digital message switching centers and associated cryptographic devices, Must know emergency procedures for destruction of messages. Must know procedures to retrieve/retransmit messages, provide tracer action information, and provide statistics for determining installation message handling efficiency. Must know operator maintenance procedures for all equipment used. Must be able to prepare a perforated tape. Must be able to analyze display and status panels to correct message errors and machine stoppages. Must be able to employ communication procedures instructions and directives pertaining to data communications. Must be able to interpret manually and automatically generated service messages and take required action: Must be able to recognize and correct message format discrepancy.  Must know regulations pertaining to handling and storage of classified material.  Requires good near vision to review written and printed material and ability to discriminate between multicolor alarms and condition lights on consoles.