Myalarm V-LCD1 Manual de instrucciones Pagina 44

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INSTALLATION
5-38
System 2 Installation / Programming Manual
Motorola/Indala Proximity Card Readers:
4177 - Indoor/Outdoor Wiegand Style, black up to 4" read range
4178 - Indoor/Outdoor door frame mullion size, black, 3-4" read range
4179 - Indoor switchplate size, beige, 4-5" read range
HID Proximity Readers
4173 - Indoor/Outdoor, Extended range, 10" - 27" read range
4174 - Indoor/Outdoor, 5" X 5", 1" - 9" read range
4175 - Indoor/Outdoor, Thinline 5" X 5", 2" - 4" read range
4176 - Mini Prox, mullion, 2" - 5" read range
Proximity Cards
Corby Access Systems Proximity Cards and tags manufactured by Motorola/Indala, consist of three elements:
power receiver, code generator, and electrostatic transmitter. Cards are credit card size: 1.125" X 3.375" X
.070" Tags are ½ the size of the Cards but are slightly thicker and have a hole for a key chain. Each Corby
Proximity Card contains 30+ bits of unique data. Duplicate Corby Proximity Cards are not available. Corby
Proximity Cards have a 5 digit code which is the card holders PIN number for the System 2. Proximity tags
generally have a reduced read range than the proximity cards.
Motorola/Indala Proximity Cards:
4190 - Credit Card size
4192 - Key tag size
HID Proximity Cards
4170 - 26 bit, Keyfob
4171 - 26 bit, Credit Card Size
4172 - 26 bit, Credit Card Size, Photo ID
Proximity cards manufactured by HID are 26 bit Wiegand standard cards.
Proximity Reader Wire Runs
These Readers require a minimum of five wires with shield. Proximity Readers are limited to 500 feet from
the System 2. If distances greater than 500 feet are necessary a Line Extender Module (Corby P/N 4056)
must be installed. Wire must be multiconductor (not twisted pairs) and MUST be shielded. If you are using
eight conductor cable, Corby LEDS and RTE switches may use the extra wires (see figures 21-23).
Proximity Readers are very sensitive to voltage drop in long wire runs. It’s best to use 20 or 18 gauge wire for
runs which exceed 100 ft. Read range decreases significantly as the voltage at the reader drops below
12VDC.
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