Epson 8900 Series manual Communication Interfaces

10 Communication Interfaces

Introduction	10-3
Data-Transfer Operations	10-4
Parallel Communication Interface	10-6
Parallel Interface Signal Descriptions	10-7
Data Signals	10-8
Data Strobe Signal	10-8
Acknowledge Signal	10-8
Busy Signal	10-9
Fault Signal	10-9
Initialize Signal	10-9
Paper-Empty Signal	10-10
Select Signal	10-10
Verify Signal	10-10
Ground Signals	10-10
Parallel Interface Communication Protocol	10-10
Data-Transfer Timing	10-10
Initialize Sequence	10-13
Error Conditions	10-14
Serial Communication Interface	10-14
Serial Interface Connector	10-15
Interface Connection	10-15
Interface Signal Descriptions	10-16
Protective Ground	10-16
Signal Ground	10-16
Transmit Data Signal	10-16
Receive Data Signal	10-16
Request to Send Signal	10-16
Clear to Send Signal	10-17
Data Set Ready Signal	10-17
Data Carrier Detect Signal	10-17
Data Terminal Ready Signal	10-17

Communication Interfaces 10-1