b. Equipment shall provide system logic, control, switching, memory,
timing, signaling, and power circuitry as required by system design.
Equipment shall be of modular construction with all components as plug-in
modules.
c. The system shall operate at or below 30V level. Provide overload and
electronic short circuit protection for primary and secondary circuits.
d. Interruption or loss of ac power, or the failure of a power supply
shall not cause the loss of any call registered prior to loss of power.
When power is restored, all normal operations shall continue and all
registered calls and associated signals shall be automatically restored.
e. A standby power supply shall automatically provide at least 15 minutes
of full load uninterrupted power within 4 milliseconds of an ac power
failure. Batteries used in the standby power supply shall be maintenance
free, completely sealed, and continuously recharged during normal
operation. Power calculations shall be included with design data submittal
to verify power requirements.
f. Equipped capacity for each system shall provide at least a 25 percent
expansion in the installed quantity of stations and lights, including swing
capacity stations and lights, or a minimum of 2 expansion stations,
whichever is greater.
2.3
CENTRAL CODE ANNUNCIATOR STATION
a.
Flush mount unit.
b. The Central Code Annunciator Station shall annunciate all code blue
calls from throughout the entire system until they are canceled at the call
origination point.
c. Call information displayed shall include the type of call, and the call
origination point by patient care area and room number.
d.
Visual Indicator Display
(1) Electronic programmable display panel. Acceptable visual
indicator display technologies include LED or LCD digital displays.
Incandescent-lamp displays are not acceptable.
(2) The font size of the alphanumeric text call information displayed
shall be large enough to assure clear readability from the workstations in
the area where the annunciator is located.
(3) The visual display shall either indicate all calls
simultaneously, or scroll through multiple calls that are not
simultaneously displayed so that all code calls are visible at least every
four seconds.
e. An electronic alert tone device. A momentary tone defeat switch shall
temporarily silence the current call alert tone, with automatic reset so
that the alert tone will again sound when the next call is placed.
f. Electronic supervision of the station to assure the annunciation of
code calls.
SECTION 16730A
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