CONNECTING TO RA0003 MULTIPLEXER
- Quattro Technical Information Manual
66
Quattro R4321P – RA0003 Multiplexer Connection
The figure below shows how to connect the Quattro R4321P reader to the RA0003 multiplexer.
Fig. 11.2: Quattro reader – RA0003 MUX Connection
GPIO QUATTRO CONNECTOR
MUX CONNECTOR
pin 2 : GND
pin 2 : GND
pin 8 : OUTPUT1.2
pin 3 : A0
pin 10 : OUTPUT2.2
pin 4 : A1
9:36 DC EXTERNAL POWER SUPPLY
MUX CONNECTOR
pin + : Positive
pin 1 : Vin
pin - : Negative
pin 2 : GND
GPIO QUATTRO CONNECTOR
GPIO QUATTRO CONNECTOR
pin 2 : GND
pin 7 : OUTPUT1.1
pin 2 : GND
pin 9 : OUTPUT2.1
By enabling the relay contact (as described in the §
paragraph page 13), pin A0 - A1 are connected to
GND (low logic level) enabling the antennas according to this table:
A1
A0
Signal Path
Low
Low
IN connected to OUT0
Low
High
IN connected to OUT1
High
Low
IN connected to OUT2
High
High
IN connected to OUT3