Porti-SC30 Rev. 2.0
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①
UART(RS-232C or TTL)
The Porti-SC30 printer has an UART(RS-232C or TTL), or USB interface and is
connected by means of a 4 pin mini USB socket.
In the following table, the signals
present on the Mini USB socket are listed:
②
USB
Pin No.
Name
Direction
Function
1
TxD
Output
Transmit Data
2
RxD
Input
Receive Data
3
CTS
-
-
4
GND
-
Ground
Pin No.
Name
1
VCC
2
DATA “-“
3
DATA “+”
4
Ground
NOTE :
●
When data receiving, when it removes the communication
cable, it loses a data.
* Applicable connector :
SUNG KYUNG (CM-720)
(Fig.3.1)
