Zebra Rw 220 User Manual - Communications Ports

64

RW Series 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