Zebra Technologies RW 420 ユーザーズマニュアル
69
RW Series User Guide
Communications Ports
USB
Signal
Description
Pin#
Name
Type
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/USB
Signal
Description
Pin#
Name
Type
1
USB D-
bi-directional
I/O signals
2
USB D+
bi-directional
I/O signals
3
RXD
input
Receive Data
4
TXD
output
Transmit Data
5
DTR
output
Data Terminal Ready- set high when
printer is on.
printer is on.
6
GND
Ground
7
DSR
input
Data Set Ready- low to high
8
RTS
output
Request To Send- set high when
printer is ready to accept a
command or data
printer is ready to accept a
command or data
9
CTS
input
Clear To Send from host
10
VBUS
USB Bus Power
continued