CR2/CR2500/CR3/CR3500 Cable Pinouts
C001541_06_CR2X_CR3X_Pinouts www.codecorp.com 1
CR2/CR2500/CR3/CR3500 Base Connector Pinouts
EIGHT PIN CONNECTOR CONFIGURATIONS FOR MALE AND FEMALE CONNECTORS
Female Connector View Male Connector View
PIN 1 VIN - Input Voltage to the voltage regulators/battery charging IC
PIN 2 RS-232 level serial transmit signal (reader to host) / PS2 data signal to the
keyboard
PIN 3 RS-232 level serial receive signal (host to reader)
PIN 4 USB data plus signal / PS2 clock to host
PIN 5 USB data minus signal / PS2 data to host
PIN 6 PS2 clock signal to the keyboard
PIN 7 External trigger
PIN 8 Ground
Sheild Ground
C001541_06_CR2X_CR3X_Pinouts www.codecorp.com 2
USB Cable Pinouts
Connector A
Connector A
Connector B
Connector B
CR2/CR2500/CR3/CR3500 maximum voltage tolerance = 5V +/- 10%
CAUTION: Exceeding the maximum voltage will void manufacturers warranty.
C001541_06_CR2X_CR3X_Pinouts www.codecorp.com 3
RS-232 Cable Pinouts
Connector A
Connector B
Connector B
Connector C
Connector B
• Center Pin OD 2.0 mm, Length 8.5 mm
• Mating Plug OD: 5.5 mm
Input: + 5V
Min 500 mA
+
Connector A
CR2 maximum voltage tolerance = 5V +/- 10%
CAUTION: Exceeding the maximum voltage
will void manufacturers warranty.
C001541_06_CR2X_CR3X_Pinouts www.codecorp.com 4
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