MOS 74C Telecommunications Operator
Telecommunications operator-maintainer supervises, installs, operates and performs unit level maintenance on manual and automated telecommunications equipment centrals and associated peripheral devices. Performs Information Service Support Office (ISSO) duties of printing, publications, and records management. Performs COMSEC Custodian functions. Operates and performs Preventive Maintenance Checks and Services (PMCS) on assigned vehicles and power generators. Duties for MOS 74C at each level of skill are:
a. Major duties.
(1) MOSC 74C1O. Installs, operates, and performs unit level maintenance in telecommunications centers. Operates automated message switches and strategic telecommunications centers using system command consoles, computer terminals, processors, magnetic tape units, disk packs, tape readers, visual display units, facsimile, and associated COMSEC devices. Processes message traffic. Installs, operates, performs strapping, restrapping, PMCS and unit level maintenance on COMSEC devices. Performs Battlefield Information Services (BIS), consisting of printing services, publications management, files and forms management, reproduction services, Freedom of Information Act (FOIA)/Privacy Act (PA), Unit Distribution/ Official Mail, correspondence management, classified document control, and messenger service within the ISSO. Operates and performs Preventive Maintenance Checks and Services (PMCS) on assigned communications equipment, vehicles,and generators.
(2) MOSC 74C2O. Supervises, installs, operates, and performs unit level maintenance on tactical telecommunications centers, automated message switches, and strategic telecommunications facilities. Requisitions, receives, stores, issues, and accounts for COMSEC equipment and associated keying material. Interprets publications, policies, and procedures as applicable to tactical and strategic telecommunications and message switching center operations. Performs off-line message recovery and tracer actions. Corrects message and circuit continuity discrepancies. Coordinate with system operators and controllers to resolve system and circuit difficulties. Supervises the operation of computer terminal devices, maintains files and records, composes and edits correspondence and documents; generates reports for the ISSO. Sets up and maintains logs, rosters, status boards, charts, graphs, view graphs, and performs messenger supervisory duties required by information service support. Prepares reports, records, and analysis pertaining to telecommunications operations. Requests operating supplies and spare parts.
(3) MOSC 74C3O. Supervises the installation, operation, and unit level maintenance of tactical and strategic telecommunications centers and automated message switches. Develops and administers onsite training programs. Directs and supervises restoration of systems and circuits. Requests logistical support and coordinates system integration. Ensures that spare parts, supplies, and operating essentials are requisitioned and maintained. Supervises and performs maintenance management and administrative duties related to facility operations, maintenance, security, and personnel. Performs COMSEC Custodian functions. Prepares emergency evacuation and destruction plans. Requisitions, receives, stores, issues, destroys, and accounts for COMSEC equipment and keying material, including over the air keying operations. Supervises ISSO functions. Provides verbal and written guidance and direction for the installation, operation, and maintenance of specified battlefield information services. Provides technical assistance and resolves problems for information services support personnel, functional users, andfunctional staff. Composes correspondence, sets up and maintains: logs, rosters, status boards, charts, graphs, and view graphs required for information service support. Supervises subordinate personnel performing information service support duties.
(4) MOSC 74C4O. Supervises and manages personnel performing operations and maintenance of tactical and strategic telecommunications centers and automated message switches. Develops and enforces policy and procedures for facility management. Develops, directs, and supervises training and security programs to ensure soldier proficiency and career development. Organizes work schedules and ensures compliance with directives and policies on operations security (OPSEC), signal security (SIGSEC), communications security (COMSEC), and physical security. Writes unit or facility standing operating procedures (SOP). Arranges higher level or contractor support maintenance for assigned equipment. Prepares or supervises the preparation of technical studies, evaluations, reports, correspondence, and records pertaining to system Signal operations. Performs the duties of COMSEC material custodian in accordance with appropriate regulations and orders. Supervises the operation of the ISSO. Recommends policies, procedures, standards, and conventions. Establishes and operates the printing and duplication control program. Supervises and implements classified document control policies, procedures, standards, and inspections. Coordinates and provides guidance on printing and publication account procedures, processes, and regulatory requirements. Briefs staff and operations personnel on telecommunications matters.
b. Physical demands rating and qualifications for initial award of MOS.
Telecommunications Operator-Maintainers must possess the following qualifications:
(1) A physical demands rating of moderately heavy.
(2) A physical profile of 212221.
(3) Normal color vision.
(4) Minimum scores of 90 in aptitude area EL and 90 in aptitude area SC.
(5) A security clearance of:(a) TOP SECRET with eligibility for access to sensitivecompartmented information (SCI) for Active Army.
(b) SECRET for Reserve Components.(6) A U.S citizen.
(7) Clearly enunciate English.
(8) Accurately type 25 words per minute.
(9) Formal Training (completion of MOS 74C Course conducted under the auspices of the USA Signal School) mandatory or waiver may be granted by Commandant, U.S. Army Signal School, ATTN: ATZH-POE, Ft Gordon, GA 30905-5300.
c. Additional skill identifiers.
(1) P5-Master Fitness Trainer.
(2) Z2-Automatic Message Switching Center Operations.
(3) 2S-Battle Staff Operations (skill level 3 only).
(4) 4A-Reclassification Training.
d. Physical requirements and standards of grade.
Physical requirements and SG relating to each skill level are listed in the following tables:
(1) Table 10-74C-1. Physical requirements.
(2) Table 10-74C-2. Standards of grade TOE/MTOE.
(3) Table 10-74C-3. Standards of grade TDA.






