Zebra USB2.0 - miniUSB2.0 P1031365-055 ユーザーズマニュアル

59

QLn Series User Guide

Communications Ports

RS-232C

Pin#

Signal Name

Type  

Description

1

CTS

input

Clear To Send from host

2

TXD

output

Transmit Data

3

RXD

input

Receive Data

4

DSR

input

Data Set Ready: low to high transition 
turns printer on, high to low  transition 
turns printer off (if enabled)

5

GND

Ground

6

DTR

output

Data Terminal Ready: set high when 
printer is on.
Switched 5V (300mA max)

7

N/A

Do Not Use

8

RTS

output

Request To Send set high when printer is 
ready to accept a command or data

9

N/A

Do Not Use

10

N/A

Do Not Use

11

N/A

Do Not Use

12

N/A

Do Not Use

13

N/A

Do Not Use

14

N/A

Do Not Use

8

2

5

3

1

4

10 12

14

13

11

9

7

6

Figure 28: RS-232C Communications Port