UCTB-27 User’s Manual
-12-
www.vantrontech.com.cn
4
Hardware Description
This chapter describes the hardware Features, include switch, jumper, connector and
PIN function.
The interface description ought to consult the connector sketch map. And attach
necessary message such as picture. Indicate the figure, PIN1 and match jack.
4.1
Connectors Description
This table is the respective describe valid signal of connector on
VT-PNL27-RK88-T6-AGF board.
Figure type:
N/C
Not connect
GND
Ground
/
active low signal
+
Positive of difference signal
-
negative of difference signal
Signal type:
I
Input
O
Output
I/O
input/output
P
Power or ground
A
Analog
OD
Open drain
CMOS
3.3 V CMOS
LVCMOS
Low Voltage CMOS
LVTTL
Low Voltage TTL
3.3V
3.3 V signal level
5V
5 V signal level
USB
5 V tolerant signal
NC
No Connection
4.1.1
Power button
