WSP-R350 Rev. 1.0
http://www.woosim.com
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The WSP-R350 printer has a UART(RS-232C or TTL) interface and is connected by
means of a 5 pin mini USB socket. In the following table, the signals present on the
Mini- USB socket are listed:
Pin no Signal Name Direction
Function
1
TxD
Output
Transmit Data
2
RxD
Input
Receive Data
3
CD
-
Cable Detect
4
NC.
-
-
5
GND
-
Ground
① UART(RS-232C)
NOTE :
●
When data receiving, when it removes the communication
cable, it loses a data.
(Fig.3.1)