Chapter 2: External Connectors Pinout Description
COM 1 Port
Connector number: 7
1
5
6
9
Pin
Definition
1
DCD_2
3
TXD_2
5
GND
7
RTS_2
9
RI/PW
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Pin
Definition
2
RXD_2
4
DTR_2
6
DSR_2
8
CTS_2
10
NC
Reset Button
Connector number: 8
1
2
Pin
Definition
1
GND
2
RESET
Press this button to restart the system.
13
VTC 1021 Series User Manual