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Epson Expression 1680 User Manual

Page 140

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Specifications

133

Logic level

TTL-compatible

ID setting

Selectable from 0 to 7

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 (B813212) and
transparency unit (B813202)

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

1680.book Page 133 Thursday, March 1, 2001 4:28 PM