Epson Perfection 1240U - AC Adapter Specifications; Safety Approvals; Usb Interface

EPSON Perfection 1240U
2 -
EPSON Perfection 1240U 10/00
Electrical
Input voltage range DC 24 V
Rated input 0.8 A
current
Power Approx. 20 W, operating
consumption approx. 10 W, standby
Note: Check the label on the back of the scanner for voltage
information.
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.
Safety Approvals
Safety Standards
120 V model UL 1950
CSA C22.2 No. 950
EMC FCC part 15 subpart B class B
CSA C108.8 class B
230 V model EN 60950
EMC EN 55022 (CISPR Pub 22) class B
AS/NZS 3548 class B
CE marking
230 V model 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 Full Speed mode (12Mbit/s) of Universal
standard 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:
AC Adapter Specifications
Basic Specifications (Model A110B)
Temperature 41 to 95° F (5 to 35° C)
Dimensions 2.3 × 4.3 × 3.4 inches
(5.8 × 10.8 × 3.4 cm)
Weight Approx. 0.55 lb (0.25 kg, without AC
plug)
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 bytes
Endpoint 2 Bulk OUT transfer
Maximum data transfer size: 64 bytes
String
Descriptor
Language ID: US English
1: Manufacturer: “EPSON”
2: Product: “Perfection 1240U”
Pin number Signal Connector
1VCC
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.