Epson Expression 1680 Special Edition User Manual (w/EPSON Scan software) - Page 61

SCSI Interface, IEEE 1394 FireWire, Environmental, Option Interface Connector, Initialization Methods

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SCSI Interface Interface type ANSI X3T9.2/375R Revision 10L (SCSI 2) Logic level TTL-compatible ID setting Selectable from 1 to 6 Terminator Internal terminator (enable/disable selectable) Connector type Two micro DB 50-pin connectors USB Interface Interface type Universal Serial Bus Specification Revision 1.1 Electrical standard Full speed mode (12Mb) of Universal Serial Bus Specification Revision 1.1 Connector type One receptacle (Type B) IEEE 1394 FireWire Interface type IEEE 1394-1995 compatible Data transfer method Half-duplex Data/Strobe differential serial Synchronization method Clock synchronization with DS-Link Encoding/decoding DS-Link Logic level 3.3 V Compatible connectors IEEE 1394-1995 compatible Power class Power class code 100 No power supply from external sources Fitted with a repeat function with bus power Environmental Temperature Operating: 41 to 95 °F (5 to 35 °C) Standby: -13 to 140 °F (-25 to 60 °C) Humidity (without condensation) Operating: 10 to 80% Standby: 10 to 85% Option Interface Connector Interface type For use with the optional automatic document feeder (B813162) and transparency unit (B813182) Output voltage 21.6 to 26.4 VDC 4.75 to 5.25 VDC Output current 0.6 A (24 V) 0.3 A (5 V) Initialization Methods SCSI interface Hardware: Initialized when the scanner is turned on or the scanner receives a SCSI Reset signal from the SCSI interface Software: Initialized when the software sends the Esc @ (initialize the scanner command), or the scanner receives a SCSI Bus Device message Specifications 55

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Specifications
55
SCSI Interface
Interface type
ANSI X3T9.2/375R Revision 10L
(SCSI 2)
Logic level
TTL-compatible
ID setting
Selectable from 1 to 6
Terminator
Internal terminator (enable/disable
selectable)
Connector type
Two micro DB 50-pin connectors
USB Interface
Interface type
Universal Serial Bus Specification
Revision 1.1
Electrical standard
Full speed mode (12Mb) of Universal
Serial Bus Specification Revision 1.1
Connector type
One receptacle (Type B)
IEEE 1394 FireWire
Interface type
IEEE 1394-1995 compatible
Data transfer method
Half-duplex Data/Strobe differential
serial
Synchronization method
Clock synchronization with DS-Link
Encoding/decoding
DS-Link
Logic level
3.3 V
Compatible connectors
IEEE 1394-1995 compatible
Power class
Power class code 100
No power supply from external sources
Fitted with a repeat function with bus
power
Environmental
Temperature
Operating:
41 to 95 °F
(5 to 35 °C)
Standby:
–13 to 140 °F
(–25 to 60 °C)
Humidity (without condensation)
Operating:
10 to 80%
Standby:
10 to 85%
Option Interface Connector
Interface type
For use with the optional automatic
document feeder (B813162) and
transparency unit (B813182)
Output voltage
21.6 to 26.4 VDC
4.75 to 5.25 VDC
Output current
0.6 A (24 V)
0.3 A (5 V)
Initialization Methods
SCSI interface
Hardware:
Initialized when the scanner
is turned on or the scanner
receives a SCSI Reset signal
from the SCSI interface
Software:
Initialized when the
software sends the Esc @
(initialize the scanner
command), or the scanner
receives a SCSI Bus Device
message