Newland NLS-HR21 - Page 16

4
데이터 포트
데이터 포트 핀아웃
PIN
Signal
Type
Function
1
NC
-
Not connected
2
NC
-
Not connected
3
VCC
P
Power+ (+5V)
4
TXD
O
RS-232 output
5
RXD
I
RS-232 input
6
CT S
I
Flow control signal
7
RT S
O
8
GND
P
Ground
9
D-
I/O
USB signal
10
D+
I/O