ATrack AK7 - 4.4. Serial Port Connector

Confidential Document
Page 8 of 26
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The following figure shows the serial port connector and its associated pin numbers.
The following table describes the function of each pin.
Serial Port Connector
Pin#
Function
Color
Designation
Note
1
Power Ground
Black
GND
2
RS232 Transmit data output
White
TX
3
RS232 Receive data input
Green
RX
4*
+5V Output for external accessories
Red
+5V
DC5V Max.300mA Output
* Note: The +5V output pin can not be connected to the other power source or short circuit to power
ground.
The following figure shows the wire diagram of a RS-232 serial cable. *
* Note: The RS-232 serial cable is not included in the package.
Serial Port