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DL28 Installation and User Manual
2.4 Base Board
Base board serves as mechanical and electrical junction of above mentioned boards.
2.4.1
Expansion Port
DL28 features expansion port for adding other input/output communication modules. In this
manner basic features can be enhanced and upgraded.
Pin No.
Signal
Type
1
GND
Ground
2
GND
3
+5V
expansion power supply
having 5V /100mA
4
+5V
5
SDA
Data I/O
6
SCL
Clock I/O
14.05.2013.
11.