Appro SD-7800 Guía de instalación Pagina 6

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4 7800 Series Keypad Installation Guide
Card Readers
When a proximity credential is presented to an internal or external reader, a beep
tone is heard and the Power/Armed LED blinks. This provides both an audible and
visual acknowledgement of the credential read.
Internal Access Control Reader
The 7873 and 7872 keypads provide a built-in proximity card reader designed to read
DMP/HID 1300 Series proximity credentials.
External Access Control Reader
To accept Wiegand data input from other external card readers, connect a
12 VDC external reader to the 7873 keypad. Connect the Red and Black power wires
from the reader to the power wires from the panel. These connect in parallel with
the keypad power wires. Connect the Reader (Data 1) wire to the White wire on the
5-wire keypad harness. Connect the Reader (Data 0) wire to the Green/White wire on
the 5-wire keypad harness. See Figure 6.
Figure 6: 12 VDC Reader Wiring
Door Strike Relay Specications
The 7873 keypad provides one internal programmable Form C single pole, double
throw (SPDT) relay for controlling door strikes or magnetic locks. Three wires on the
5-wire harness, Violet (N/C), Gray (Com), and Orange (N/O), allow you to connect
devices to the relay. The Form C relay draws up to 15mA of current and the contacts
are rated for 1 Amp at 30 VDC maximum, resistive.
1K EOL
1K EOL
1K EOL
1K EOL
White – Connect Reader Data 1
Orange – Door Strike Normally Open
Gray – Door Strike Common
Violet – Door Strike Normally Closed
Yellow/White
White/Yellow
Orange White
White/Orange
Red/White
White/Red
Brown/White
White/Brown
Black – Ground
Red – Keypad Power
– Zone 1
– Zone 2
– Zone 3
– Zone 4
Zones 1 to 4
7872 / 7873 Keypads
External Card
Reader
Green/White – Connect Reader Data 0
Black – Ground
Green – Receive Data
Yellow – Send Data
Red – Keypad Power
All Keypads
Red
Black
Green
Yellow
Surface and Backbox
Mounting Holes
Keypad Back
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