Specifications
WSE • 3/21/97 16720 — 7 Alto 818 Access Control System
e. Mounting: The Annunciator should be installed in a secure area within 12 feet of the
Controller.
f. Power: Power provided by Controller.
g. Wiring: Included control cable.
h. Communication: Control signals for output relays and building mode switch are provided for
the Controller only.
i. Feedback:
1) Power ON: 1 (one) LED.
2) Output relay status: 8 (eight) LEDs.
3) Building mode status.
4) Mode selection switch status: Limited or Closed.
5) Latched alarm status.
j. Manufacturer: Westinghouse Security Electronics Model 778A Remote Annunciator Module.
4. Digital Proximity Key Reading Sensor (DigiReader):
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Note: There are currently five models of DigiReader digital proximity readers. Each reader provides
different read ranges. When compiling Specifications, use the “Read Range Matrix” (Part IV.1,
Appendix) to determine the reader and card that best suit the specific application.
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a. General:
1) DigiReader (DR) shall read digital proximity keys and send signal to Controller for
processing.
2) DR 4226 shall comply with the Americans with Disability Act (ADA).
3) DR 4238 shall comply with the Americans with Disability Act (ADA).
b. Capacities:
1) DR shall read digital proximity keys supporting phase shift signals to a distance of [_____]
(optimum read range as defined in DigiReader/Prox Card Read Range Matrix) inches and
does not require contact with the sensor
2) DR shall be capable of reading up to 3 (three) cards in field at the same time.
c. Specifications: Material shall be high-impact Lexan with 94V-2 UL flame class rating, and
shall be UV resistant, sealed, water and weather resistant, and tamperproof.
d. Environmental:
1) Humidity: 10% to 90% non-condensing
2) Temperature: -4˚ to +140˚ F (-20˚ to +60 ˚ C).
e. Regulatory: Controller shall be designed to meet the following regulatory requirements:
1) UL294 Listing Standard for Safety.
2) FCC EMI and EMC Class A.
3) EN55022 EMI and EMC Class A.
f. Mounting:
1) DR shall have the capacity to be mounted and operated behind any non-metallic, non-
conductive surface, including glass.
2) (DR 4204 only) DR shall have the capability to be mounted on any metal door frame.
g. Power:
1) Source: Via the network twisted pair (shielding optional) wiring.
2) Consumption:
(i) [DR 4204: Less than 5 watts.]
(ii) [DR 4205: Less than 2 watts.]
(iii) [DR 4208: Less than 6.5 watts.]