beautypg.com

AMT Datasouth ACCEL-6300 User Manual

Page 170

background image

User's Guide

Interfaces C-5

Setting Parallel Parameters

Only two Setup menu parameters affect the parallel interface:
INTRFACE and STROBE. For more information on these parameters,
refer to the Control Panel section in this guide.

Pin Assignments

Table C-1 lists the parallel connector pin assignments and signal require-
ments.

Table C-1. Parallel Pin Assignments

Pin

Signal

Source

Printer Usage

1

STROBE– Computer Must pulse low for at least 0.5 micro-

second to clock data on DB1-DB8 lines;
data must be present for at least 0.5
microsecond before and after pulse

)Note: The STROBE parameter on the
Setup menu lets you control whether the
printer captures the data byte on the
leading or trailing edge of STROBE–.

2

DB1

Computer Must contain eight bits of parallel data

3

DB2

Computer byte (DB1 = LSB); high signal repre-

4

DB3

Computer sents logical "1", low signal represents

5

DB4

Computer logical "0"

6

DB5

Computer

7

DB6

Computer

8

DB7

Computer

9

DB8

Computer

10 ACK–

Printer

Pulses low for at least 4 microseconds
when printer has received data byte on
DB1-DB8 lines and is ready for another;
also pulses low when printer is turned on
or reset

User's Guide

Interfaces C-5

Setting Parallel Parameters

Only two Setup menu parameters affect the parallel interface:
INTRFACE and STROBE. For more information on these parameters,
refer to the Control Panel section in this guide.

Pin Assignments

Table C-1 lists the parallel connector pin assignments and signal require-
ments.

Table C-1. Parallel Pin Assignments

Pin

Signal

Source

Printer Usage

1

STROBE– Computer Must pulse low for at least 0.5 micro-

second to clock data on DB1-DB8 lines;
data must be present for at least 0.5
microsecond before and after pulse

)Note: The STROBE parameter on the
Setup menu lets you control whether the
printer captures the data byte on the
leading or trailing edge of STROBE–.

2

DB1

Computer Must contain eight bits of parallel data

3

DB2

Computer byte (DB1 = LSB); high signal repre-

4

DB3

Computer sents logical "1", low signal represents

5

DB4

Computer logical "0"

6

DB5

Computer

7

DB6

Computer

8

DB7

Computer

9

DB8

Computer

10 ACK–

Printer

Pulses low for at least 4 microseconds
when printer has received data byte on
DB1-DB8 lines and is ready for another;
also pulses low when printer is turned on
or reset