2.2.2.1
Operating Panel
Provide boxes with operating panel located on the front of the box. Box
operating panel shall incorporate pushbutton(s) or pull lever(s) or hook(s)
clearly labeled as specified in the paragraph entitled "Message
Designations". Appropriate operating instructions shall also be clearly
visible. Break-glass mechanisms are not permitted. Operating panels shall
be identical in operation on all boxes furnished. Mount box with operating
panel not more than 1220mm 48 inches above grade.
2.2.2.2
Interface Device for Master Box Radio Transmitters
All circuitry, switches, and controls necessary for the functions required
for Master Box Radio Transmitters shall be contained in one housing, except
that circuitry required for interfacing with protected premises alarm and
extinguishing system control units [and dry-contact initiating devices]
shall be permitted to be contained in a separate enclosure if required by
the UL listing or FM approval of the equipment. If two separate housings
are provided, all requirements as specified herein for radio master boxes
remain in effect, with the exception that only the housing containing the
publicly accessible operating panel is required to be cast metal [cottage]
[contemporary rectangular] style and labeled "FIRE". [If a separate
housing for interfacing circuitry is provided, it shall be mounted adjacent
to its associated protected premises control unit.]
2.3
RADIO STREET BOXES
**************************************************************************
NOTE: Delete paragraphs for transmitter
configurations and options not required.
A street
box is generally used where an exterior manual alarm
box is required and there are no facilities in the
vicinity requiring a master box for transmission of
alarms from protected premises systems. Consult the
EFD/EFA Fire Protection Engineer for further
guidance.
**************************************************************************
Provide radio street boxes configured for manual actuation by a publicly
accessible lever or pushbutton on the front of each box. Street boxes
shall comply with paragraph entitled "RADIO ALARM TRANSMITTERS," and the
following requirements:
2.3.1
Signal Designations
Each transmitter shall transmit separate signals, individually identifiable
by the base station receiving/control networks as to the specific causes of
transmitter actuation. Required signals are as follows:
2.3.1.1
Tamper
Signal shall be automatically transmitted when a transmitter is tilted over
0.785 rad 45 degrees from vertical.
2.3.1.2
Fire
Signal shall be transmitted upon operation of the publicly accessible
"FIRE" lever or pushbutton on the front of the box.
SECTION 13853N
Page 19
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