MIL-HDBK-1191
TV system consisting of a headend component and a distribution component shall
be provided.
11.9.1
Television signal Source. Source of the TV signal shall be from a
Cable Antenna TV (CATV) provider, an Master Antenna TV (MATV) or an Satellite
Master Antenna TV (SMATV) system. While CATV is the preferred source, the
recurring cost of this option, based on the installation contract with the
supplier, may make it prohibitive. The choice shall be based on an economic
analysis of the three options. The economic analysis shall be completed by
the end of concept design.
11.9.1.1
Headend. For hospitals and medical centers, the headend shall be
installed in the penthouse equipment room when an MATV or SMATV system is
used. When a CATV source is used for these facilities, the headend shall be
installed in the communications head end equipment room. For stand alone
clinics, the headend shall be installed in one of the communications
rooms/closets.
11.9.1.2
Headend Equipment. All equipment required to acquire, process,
filter and condition the TV signals for distribution, shall be provided. This
shall include antennas, converters, amplifiers, filters, combiners, test
ports, attenuators, and any other equipment required by the TV signal source
selected. Provisions for an interface, if required by the using service, to
the hospital patient information system shall be provided.
11.9.1.3
Distribution System. The distribution system shall consist of
coaxial cable, amplifiers, splitters, directional couplers, multi-taps, and
outlets to provide radio frequency TV signals to the GFGI television sets
throughout the facility. The amplifiers shall be installed in communications
closets throughout the facility. Multi-taps are typically installed along the
outside edge of the cable tray to facilitate distribution to the outlets.
11.9.2
Television outlet location. Television outlets will be provided
in the following manner in the following types of rooms.
11.9.2.1
Nonpatient Rooms. A television outlet will be provided in each
day room, patient lounge, waiting room, classroom, conference room,
auditorium, staff lounge, staff sleep room, group therapy, play therapy,
administrative office in the command suite and in each department chiefs
office. In rooms larger than 14 net square meters (NSM) the outlet(s) will be
located 0.3 meters below the ceiling. For smaller rooms, the outlet will be
located 0.45 meters AFF allowing ready access for manual control. In
conference rooms, lounges and classrooms, larger than 14 NSM, the television
outlet may be connected through a coaxial switch. The coaxial switch will be
required if a VCR will not be permantely installed with the TV and will be
mounted 1.2 meters AFF and will include an input jack for a video cassette
recorder. Switch will be two position type marked for central TV and VCR
selections. The TV outlets will be mounted per using service requirements and
a remote control unit will be provided.
11.9.2.2
Patient Rooms. Television outlets will be located on the wall
opposite
the bed and out of the circulation path. Remote channel selection
from the
nurse call pillow speaker or patient bedrail system will be provided.
Personal
Patient Television systems, if desired by the using service, may be
provided
in multipatient rooms.
11.9.2.3
Psychiatric Patient Rooms.
Television outlets will not be
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