Epson Perfection 636 User Manual - Page 67

Initialization, Methods, The scanner receives a SCSI Bus Device Message.

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Page 67 highlights

Logic level Electrical standard ID Setting Terminator Connector type Connector pin arrangement MESSAGE phase MESSAGE IN phase MESSAGE OUT phase ATTENTION condition RESET condition TTL compatible ANSI X3T9.2/375R Revision 10L (SCSI 2) Selectable from 0 to 7 Internal terminator selectable (enable/disable) Two 50-pin half pitch connectors (micro DB 50 connectors) Initialization Methods The scanner can be initialized (returned to a fixed set of conditions) in the following ways: Hardware initialization Software initialization * The scanner is turned on. * The scanner receives a SCSI Reset signal from the SCSI interface. * Software sends the ESC @ (initialize the scanner) command. * The scanner receives a SCSI Bus Device Message. Specifications Page 67

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Specifications
Page 67
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 50-pin half pitch connectors (micro DB 50 connectors)
Connector pin
arrangement
Initialization
Methods
The scanner can be initialized (returned to a fixed set of conditions) in the
following ways:
Hardware
initialization
*
The scanner is turned on.
*
The scanner receives a SCSI Reset signal from the
SCSI interface.
Software
initialization
*
Software sends the ESC @ (initialize the scanner)
command.
*
The scanner receives a SCSI Bus Device Message.