Sato DR300 User Manual download pdf (Page 81)

DR300 Operator Manual

2 : Input/Output Signal Explanation

Pin No. Signal

Name

Direction Contents

1 F G - Frame ground

2 S D Output Data to be transmitted from printer to host

3 R D Input Data to be transmitted from host to printer

7 S G - Signal ground

Status 3 Protocol

1 : Status-3 protocol enables host to have full control of the printer by knowing the

printer status. Printer sends status immediately upon receiving enquiry command from

host. This protocol can only be used for multi items receive buffer setting.

Data stream (ESC + “A” ~ ESC + “Z”) from host might not be fully received by printer

under the following conditions:

• Printer is in printing process

• Printer is engaged with error condition

2 : Cable connection

Host Printer

FG 1 FG

RD 2 SD

SD 3 RD

SG 7 SG

• Some host needs looping of RS and CS at host side to keep signal High

3 : Input/Output signal explanation

Pin No. Signal

Name

Direction Contents

1 F G - Frame ground

2 S D Output Data to be transmitted from printer to host

3 R D Input Data to be transmitted from host to printer

7 S G - Signal ground

Chapter 10 - Serial Interface

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Sato DR300 User Manual Page 81