Epson 8900 Series 10 Communication Interfaces

Communication Interfaces 10-1
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
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Communication Interfaces