For parallel TTL interface printer the communication signals are: 8 bit DATA BUS, STROBE (indicate the data
validity) and BUSY (indicate that the printer is ready to receive data).
Transmission format
VALID DATA
VALID DATA
D0...D7
STROBE
BUSY
Flow diagram
ERROR
NO
NO
NO
SI
NO
SI
SI
OUT DATA
OUT STROBE=0
OUT STROBE=1
START
RETURN
TIMEOUT
> 1 sec.
TIMEOUT
> 4 sec.
BUSY=1
BUSY=0
2. INTERFACES
2-8 PLUS II
User Manual
Summary of Contents for Plus II
Page 1: ...OEM USER MANUAL PLUS II PLUS II ...
Page 10: ...Blank page INTRODUCTION 4 PLUS II User Manual ...
Page 48: ...Blank page 3 PRINTER FUNCTIONS 3 14 PLUS II User Manual ...
Page 52: ...Blank page 4 TECHNICAL SPECIFICATIONS 4 4 PLUS II User Manual ...
Page 54: ...Blank page 5 CHARACTERS SET 5 2 PLUS II User Manual ...