WSP-R240 Rev. 6.3
21
3
3
.
.
I
I
n
n
t
t
e
e
r
r
f
f
a
a
c
c
e
e
3
3
.
.
1
1
.
.
U
U
A
A
R
R
T
T
(
(
R
R
S
S
-
-
2
2
3
3
2
2
C
C
o
o
r
r
T
T
T
T
L
L
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)
The WSP-R240 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:
NOTE :
●
If you connect the printer interface cable is converted to UART mode.
●
When data receiving, when it removes the communication cable, it loses a data.
(Fig.3.1)
Pin No. Name Direction
Function
1
TxD
Output
Transmit Data
2
RxD
Input
Receive Data
3
GND
-
Ground
4
NC
-
-
5
GND
-
Ground