Epson Perfection 640U - Manual (Page 2)

EPSON Perfection 640U
2 - EPSON Perfection 640U 10/00
Environmental
Temperature Operation: 41 to 95 °F (5 to 35 °C)
Storage: –13 to 140 °F (–25 to 60 °C)
Humidity Operation: 10% to 80%
(without Storage: 10% to 85%
condensation)
Operating Ordinary office or home conditions; avoid
conditions extreme dust, direct sunlight, and strong
light sources. Make sure the outlet
provides enough power.
Safety Approvals
120 V model
Safety standards UL 1950
CSA C22.2 No. 950
EMC FCC part 15 subpart B class B
CSA C108.8 class B
230 V model
Safety standards EN 60950
EMC EN 55022 (CISPR Pub 22) class B
AS/NZS 3548 class B
CE marking
230 V model Low Voltage Directive 73/23/EEC
EN 60950
EMC Directive 89/336/EEC
EN 55022 Class B
EN 50082-1
IEC 60801-2
IEC 60801-3
IEC 60801-4
USB Interface
Interface type Universal Serial Bus Specification
Revision 1.1
Configuration
Electrical standard Full Speed mode (12Mbit/s) of
Universal Serial Bus Specification
Revision 1.1
Connector type One receptacle (Type B)
Connector pin arrangement
Initialization The scanner can be initialized (returned to
methods a fixed set of conditions) in the following
ways:
Element Description
Configuration Characteristics: Self-powered
Remote wake up feature: Not supported
Maximum power consumption from VBUS:
2mA (5V)
Interface No alternate setting
Number of endpoints used by this interface
(excluding endpoint 0): 2
Class: Vendor specific
Endpoint 1 Bulk IN transfer
Maximum data transfer size: 64 byte
Endpoint 2 Bulk OUT transfer
Maximum data transfer size: 64 byte
String Descriptor Language ID: US English
1: Manufacturer: “EPSON”
2: Product: “Perfection 640U”
Pin number Signal Connector
1 VCC
2 – DATA
3 +DATA
4 GND
Hardware
initialization * The scanner is plugged in.
* The USB cable is unplugged from the USB port
on the scanner.
Software
initialization * Software sends the ESC @ (initialize the scanner)
command.
* The scanner receives a Bus Reset from the USB
interface.