Chapter 3 • Connection - Syncing Terminals; Installation Guide; Communication Diagrams - FingerTec AC900 User Manual

3 • CONNECTION – SYNCING TERMINALS

Installation Guide

Communication Diagrams

At the rear of every terminal, there are connections available for power, communication
and door access. Refer to the following diagrams for the terminals you require.
AC900 MODEL
Access Connection
1. Normal Open Lock Connection
NO
Door Strike
GND
NO +12V GND -12V
1. Normal Close Lock Connection
NC
Electromagnetic/
Drop Bolt
(less than 1A)
GND
GND NC
Switch
BUT
GND
*requires 2 cables which has no +/- value
Using the push switch
1. RS485 Single Connection
485A RX+
485B RX-
RS232/ RS485
Data Converter
NOTE
The installation guides are for installer reference only
Output
Voltage
+12V 0
2. RS485 Network Connection
TCP/IP Port
(Ethernet Connection)
GND GND
PWR RX
COM TX
NO GND
NC 485A
GND 485B
AL+ GND
AL D0
BUT D1
GND +5V
B+ SEN
B- GND
485A
485B
RX+
RX-
485A
RS232/ RS485
485B
Data Converter
RS232 Cable
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