Military Occupational Classification and Structure - U.S. Army

d. Physical requirements and standards of grade. Physical requirements
and SG relating to each skill level are listed in the
following tables:
(1) Table 10-27Z-1. Physical requirements.
(2) Table 10-27Z-2. Standards of grade TOE/MTOE.
(3) Table 10-27Z-3. Standards of grade TDA.
10–97. 31C—Radio Operator - Maintainer (Rdo Opr-Mnt),
CMF 31
a. Major duties. Radio operator-maintainers supervise, install, ope
r a t e , a n d p e r f o r m p r e v e n t i v e m a i n t e n a n c e c h e c k s a n d s e r v i c e s
(PMCS) and unit level maintenance on assigned amplitude modulation
(AM) radios, Enhanced Position Locating and Reporting System
(EPLRS) net control stations, radio teletypewriter assemblages,
and Army Special Operations communications systems, to include
COMSEC devices and associated equipment. Operates manual or
automated communications systems. Operates and performs PMCS
on assigned vehicles and power generators. Duties for MOS 31C at
each level of skill are:
(1) MOSC 31C1O. Installs, operates, and performs PMCS and
unit level maintenance on single channel radio, radio teletypewriter,
Army Special Operations communications equipment, and EPLRS
net control stations, and associated equipment. Installs, operates,
performs strapping, restrapping, PMCS and unit level maintenance
on COMSEC devices. Prepares and transmits messages in format.
Receives, records, and processes messages to addressees or distribution
sections. Operates and performs PMCS on assigned vehicles.
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 P M C S o n a s s i g n e d p o w e r
generators.
(2) MOSC 31C2O. Supervises, and performs as a team member,
in the operation of single channel AM radio, radio teletypewriter,
Army Special Operations communications equipment, or EPLRS net
control station assemblages. Supervises and performs authorized
maintenance on assigned equipment. Directs the installation of radios
and antennas. Controls and uses Signal Operating Instructions
(SOI). Implements COMSEC, OPSEC, and physical security policies
and procedures. Recognizes electronic countermeasures (ECM)
and implements electronic counter-countermeasures (ECCM).
( 3 ) M O S C 3 1 C 3 O . S u p e r v i s e s t h e i n s t a l l a t i o n , o p e r a t i o n a n d
maintenance of high frequency (HF) radios. Prepares work schedules
and allocates equipment for net operations or special missions.
Advises superiors on capabilities and limitations of HF radio equipment.
Writes or interprets operations orders and prepares standing
operating procedures (SOP) for HF operations. Ensures compliance
with security regulations governing HF radio, COMSEC, and automated
data processing (ADP) equipment used with HF equipment.
Coordinates logistical support for subordinate teams. Establishes
training programs for subordinate personnel.
b. Physical demands rating and qualifications for initial award of
M O S . R a d i o o p e r a t o r - m a i n t a i n e r m u s t p o s s e s s t h e f o l l o w i n g
qualifications:
(1) A physical demands rating of very heavy.
(2) A physical profile of 111221.
(3) A minimum scores of 100 in aptitude area SC and 100 in
aptitude area EL.
(4) A security clearance of SECRET.
(5) Ability to clearly enunciate English.
(6) A U.S. citizen.
(7) The ability to type 25 WPM.
(8) Formal training (completion of MOS 31C 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) J7—WHCA Console Control Operations.
(3) P5—Master Fitness Trainer.
( 4 ) T 1 — E n h a n c e d P o s i t i o n L o c a t i o n a n d R e p o r t i n g S y s t e m
276 DA PAM 611–21 • 31 March 1999
(EPLRS) Net Control Station (NCS) and Enhanced Ground Reference
Unit (EGRU) Operator.
(5) 2S—Battle Staff Operations (skill level 3 and above only).
(6) 4A—Reclassification Training.
d. Physical requirements and standards of grade. Physical requirements
and SG relating to each skilllevel are listed in the following
tables:
(1) Table 10-31C-1. Physical requirements.
(2) Table 10-31C-2. Standards of grade TOE/MTOE.
(3) Table 10-31C-3. Standards of grade TDA.
10–98. 31F—Network Switching Systems Operator-
Maintainer (Net Sw Sys Opr-Mnt), CMF 31
a. Major duties. The network switching systems operator-maintainer
supervises, installs, operates, and performs systems mainten
a n c e o n l a r g e a n d s m a l l e l e c t r o n i c s w i t c h e s ; s y s t e m c o n t r o l
centers; node management facilities; associated multiplexing and
combat net radio interface (CNRI) equipment; short range line of
sight radio systems; communications security (COMSEC) devices;
and other equipment associated with network switching operations.
Duties for MOS 31F at each skill level are:
(1) MOSC 31F1O. Installs, initializes, operates, and performs
unit level and direct support maintenance on electronic switching
a s s e m b l a g e s , s y s t e m s , a n d a n c i l l a r y c o m m u n i c a t i o n s e q u i p m e n t .
Uses computers to perform system/network operations. Interprets
BIT/BITE and error codes to correct system faults. Installs, operates,
performs strapping, restrapping, PMCS, and unit level mainten
a n c e o n C O M S E C d e v i c e s . O p e r a t e s a n d p e r f o r m s p r e v e n t i v e
maintenance checks and services (PMCS) on assigned vehicles. Installs,
operates, and performs PMCS on power generators.
( 2 ) M O S C 3 1 F 2 O . S u p e r v i s e s , a n d p e r f o r m s a s s e n i o r t e a m
member, in the installation, operation, employment, and direct support
systems maintenance of large and small electronic switches and
associated equipment. Performs and assists subordinate operators in
the conduct of switching and COMSEC operations, Combat Net
Radio Interface (CNRI) procedures, and associated computer related
technical tasks. Interprets orders and compiles system statistics for
the Shift or Node. Requests logistical support for switching teams or
shifts. Implements network control center generated changes to support
operational requirements. Assists in the conduct of preventive
maintenance checks and services (PMCS) procedures on assigned
vehicles and power generators.
(3) MOSC 31F3O. Supervises and performs complex and multifaceted
switching operations functions. Supervises the installation,
operation, deployment, provisioning, and maintenance of electronic
switching assemblages or systems. Disseminates network orders,
compiles operational statistics and reports, and processes requests
for logistic support. Coordinates, integrates, and controls the operation
of large and small electronic node switches with associated
transmission systems and local network subscribers. Performs systems
control center operations for the planning, configuration, and
employment of switching equipment. Ensures contingency operations
plans and routing subsystems are correctly maintained in the
database to reflect current operational scenario. Troubleshoots complex
system faults and supervises or corrects failures to meet system
availability and reliability standards. Interprets operations orders affecting
switching operations. Conducts switching technical, operat
i o n a l , a n d m a i n t e n a n c e t r a i n i n g o f s u b o r d i n a t e s . S u b m i t s
consolidated logistic and system status reports.
b. Physical demands rating and qualifications for initial award of
MOS. Network switching systems operator-maintainer must possess
the following qualifications:
(1) A physical demands rating of heavy.
(2) A physical profile of 212221.
(3) Normal color vision.
(4) A minimum score of 105 in aptitude area EL and 105 in
aptitude area SC.
(5) Ability to read, comprehend, and clearly enunciate English.
(6) Ability to work for extended periods in a confined area.
(7) A security clearance of SECRET.