Zebra Technologies LI 72 ユーザーズマニュアル
48
RW 420 User Guide
Communications Ports
USB
Signal
Pin#
Name
Type
Description
1
VBUS
-
USB Bus Power
2
USB -
bi-directional
I/O signals
3
USB +
bi-directional
I/O signals
4
USB_ID
-
Identifies A/B connector
5
Return
-
Ground
RS232
Signal
Pin#
Name
Type
Description
1
NC
no connect
2
NC
no connect
3
RXD
input
Receive Data
4
TXD
output
Transmit Data
5
DTR
output
Data Terminal Ready
set high when printer is on.
6
GND
Ground
7
DSR
input
Data Set Ready
low to high transition turns
printer on, high to low transi-
tion turns printer off (if en-
abled)
8
RTS
output
Request To Send
set high when printer is ready
to accept a command or data
9
CTS
input
Clear To Send from host
10
NC
no connect