Porti-S Rev. 3.0
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22
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U
U
A
A
R
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R
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2
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3
3
2
2
C
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B
The PORTI-S printer has an UART(RS-232C or TTL) or USB interface are connected by
means of a 6 pin male connector. In the following table, the signals present on the
connector are listed:
Pin no Signal Name Direction
Function
6
GND
-
Ground
5
N.C
-
-
4
N.C
-
-
3
RxD
Input
Receive data
2
N.C
-
-
1
TxD
Output Transmit data
① UART(RS-232C)
② USB
NOTE :
●
When data receiving, when it removes the communication
cable, it loses a data.
(Fig.3.1)
Pin no Signal Name Direction Function
6
N.C
Ground
5
N.C
4
GND
3
DP
2
VCC
-
5V
1
DM
