Military Occupational Classification and Structure - U.S. Army

(8) Credit for successful completion of one year of high school
algebra and science.
(9) A U.S. citizen.
(10) Formal Training (completion of MOS 31F 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) D9—Battlefield Spectrum Management (skill level 3 only).
(2) J7—WHCA Console Control Operations.
(3) P5—Master Fitness Trainer.
(4) 2S—Battle Staff Operations (skill level 3 and above only).
(5) 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 10-31F-1. Physical requirements.
(2) Table 10-31F-2. Standards of grade TOE/MTOE.
(3) Table 10-31F-3. Standards of grade TDA.
10–99. 31L—Cable Systems Installer–Maintainer (Cable
Sys Inst-Mnt), CMF 31
a. Major duties. The cable systems installer–maintainer installs,
operates, and performs unit level maintenance on cable and wire
communications systems, communication security (COMSEC) devices,
and associated equipment. Operates and performs Preventive
Maintenance Checks and Services (PMCS) on assigned vehicles and
power generators. Duties for MOS 31L at each level of skill are:
( 1 ) M O S C 3 1 L 1 O . I n s t a l l s , o p e r a t e s , a n d p e r f o r m s u n i t l e v e l
maintenance on cable and wire systems, to include Digital Group
M u l t i p l e x e r s ( D G M ) , R e m o t e M u l t i p l e x i n g C o m b i n e r s ( R M C ) ,
repeaters, restorers, voltage protection devices, telephones, test stations,
intermediate distribution frames, and related equipment. Configures
DGM and RMC for operations. Installs, operates, performs
strapping, restrapping, PMCS and unit level maintenance on COM-
SEC devices. Performs tests on cable communications systems to
ensure circuit and system quality. Tests circuits/groups to detect and
locate line faults. Operates manual and motorized cable construction
equipment. Climbs poles, as necessary, and assists in the construction
of tactical cable and wire lines. Clears and maintains rights of
way. Recognizes electronic countermeasures and applies appropriate
electronic counter-countermeasures as necessary. Operates and performs
PMCS on telephone line and other vehicles. Installs, operates,
and performs PMCS on power generators.
(2) MOSC 31L2O. Coordinates and supervises team member activities
in the construction, installation, and recovery of cable and
wire communications systems and auxiliary equipment. Coordinates
remote trunking operations with switching central personnel. Interprets
and updates line route maps and overlays. Coordinates team
logistic requirements. Checks and performs PMCS and unit level
maintenance on wire and cable systems and associated communications
equipment. Ensures PMCS and maintenance functions are performed
in accordance with published schedules.
(3) MOSC 31L3O. Supervises and coordinates all phases of construction,
recovery, and maintenance of cable and wire distribution
systems and associated multiplexing, reeling, and testing equipment,
including telephones. Estimates time, supplies, personnel, and equipment
required to construct cable and wire communications systems.
Assigns work crews and coordinates activities of personnel to meet
workload demands. Inspects pole line construction and cable and
wire lines and equipment to ensure approved construction and risk
assessment standards are met. Supervises and checks maintenance
performed by subordinate personnel. Prepares line route maps and
overlays. Interprets circuit diagrams and operations order extracts.
Prepares and conducts MOS and unit training programs. Advises the
commander on cable and wire system operations. Supervises section
and team deployment of individual and crew-served weapons for
site defense. Employs and enforces principles of COMSEC, SIG-
SEC, OPSEC, and physical security.
b. Physical demands rating and qualifications for initial award of
DA PAM 611–21 • 31 March 1999
MOS. Cable systems installer-maintainer must possess the following
qualifications:
(1) A physical demands rating of heavy.
(2) A physical profile of 111221.
(3) Normal color vision.
(4) A minimum score of 90 in aptitude area EL and 90 in aptitude
area SC.
(5) Be able to work at heights up to 40 feet for extended periods.
(6) A security clearance of SECRET.
(7) A U.S. citizen.
(8) Formal training (completion of MOS 31L 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; or meet the civilian acquired
skills criteria listed in AR 601-210.
c. Additional skill identifiers.
(1) D9—Battlefield Spectrum Management (skill level 3 only).
(2) F2—Antenna Installation.
(3) F6—Cable Splicing.
(4) J7—WHCA Console Control Operations.
(5) P5—Master Fitness Trainer.
(6) 2S—Battle Staff Operations (skill level 3 and above only).
(7) 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 10-31L-1. Physical requirements.
(2) Table 10-31L-2. Standards of grade TOE/MTOE.
(3) Table 10-31L-3. Standards
10–100. 31P—Microwave Systems Operator-Maintainer
(MW Sys Opr-Maint), CMF 31
a. Major duties. The microwave systems operator-maintainer supervises,
installs, operates, and maintains microwave communications
systems, and associated antennas, multiplexing, and COMSEC
equipment. Performs engineering quality control and continuity testing
of circuits, trunks, links, systems, and facilities. Major duties for
MOS 31P at each level of skill are:
(1) MOSC 31P1O. Configures, aligns, operates, and performs
unit level and direct support maintenance on microwave communications
and technical control equipment, and associated devices.
Monitors, fault isolates, and restores telecommunications circuits,
trunk groups, systems, and associated commercial and military interface
equipment. Installs, operates, performs strapping, restrapping,
preventive maintenance checks and services (PMCS) and unit level
maintenance on COMSEC devices. Maintains circuit, link, system,
and station records and reports. Operates and performs PMCS on
a s s i g n e d t e l e c o m m u n i c a t i o n s e q u i p m e n t , v e h i c l e s , a n d p o w e r
generators.
( 2 ) M O S C 3 1 P 2 O . P e r f o r m s c o m p l e x m i c r o w a v e s y s t e m
troubleshooting and maintenance tasks. Provides technical assistance
to personnel engaged in the operation and maintenance of microwave
communications systems or technical control of voice and data
systems and networks. Identifies and reports electronic jamming and
deception, and applies appropriate electronic countermeasures. Activates
and inactivates circuits, trunk groups, and systems. Supervises
and assists subordinates in the performance of PMCS on assigned
communications equipment, vehicles, and power generators. Requests
logistic support and evacuates equipment to higher level
maintenance facilities, when required.
( 3 ) M O S C 3 1 P 3 O . S u b m i t s T e l e c o m m u n i c a t i o n s S e r v i c e R e -
quests (TSR) and implements telecommunications service orders
(TSO). Supervises the operation and maintenance of microwave
communications and technical control systems or facilities. Supervises
direct support maintenance on associated equipment and unit
level maintenance on COMSEC devices. Ensures that governing
regulations on accountability, maintenance, and TEMPEST standards
are complied with. Establishes workload, work schedules, and
repair priorities. Performs or supervises quality control and technical
evaluation inspections. Implements restoration priorities for circuit,
trunk, and system outages. Coordinates Continuity of Operations
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