Epson Expression 1680 - Manual (Page 132)

Technical Specifications A-5
SCSI Interface
Interface type: ANSI X3T9.2/375R Revision 10L (SCSI 2)
Functions: BUS FREE phase
ARBITRATION phase
SELECTION/RESELECTION phase
COMMAND phase (Logical Unit Number is
fixed to 0 and command link function is not
supported.)
DATA phase
Data in phase
Data out phase
STATUS phase
MESSAGE phase
MESSAGE IN phase
MESSAGE OUT phase
ATTENTION condition
RESET condition
Logic level: TTL compatible
Electrical standard: ANSI X3T9.2/375R Revision 10L (SCSI 2)
ID setting: Selectable from 0 to 7
Terminator: Internal terminator selectable
(enable/disable)
Connector type: Two half pitch 50-pin connectors
Connector pin arrangement: