Epson Perfection 2450 - Page 2

EPSON Perfection 2450 PHOTO
2 - EPSON Perfection 2450 PHOTO 9/01
Electrical
Input voltage 100-120 VAC
range
Rated input 0.45 A
current
Power Approx. 23 W operating
consumption approx. 7 W in power saving mode
Note: Scanners sold outside the US market may operate at a different
voltage. 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 UL 1950
CSA C22.2 No. 950
EMC FCC part 15 subpart B class B
CSA C108.8 class B
USB Interface
Interface type Universal Serial Bus Specification
Revision 2.0
Connector type One receptacle (Type B)
Configuration
Electrical Full Speed mode (12 Mbit/s) and High
standard Speed mode (480 Mbit/s), Universal
Serial Bus Specification Revision 2.0
Connector pin arrangement
FireWire Interface
Interface type IEEE 1394a-2000 compatible
Data transfer Half-duplex data / strobe differential
serial
Synchronization Clock synchronization with DS-Link
Encoding/ DS-Link
Decoding
Logic level: 3.3. V
Power class Power class code 100
No power supply from external sources
Fitted with a repeat function with bus
power
Connector pin arrangement
Transparency Unit
The transparency unit is built into the scanner lid.
Electrical Supply voltage: DC 24 V ±10% V
Rated current: 0.5 A
Document Positive or negative film in the following
specifications sizes:
35 mm strips
35 mm slides
120/220 (6 × 9-cm) film
4 × 5-inch film
Readable area 4 × 9 inches (102 × 230 mm)
Element Description
Characteristics Self-powered
Remote wake up feature: Not supported
Maximum power consumption from VBUS: 2mA (5V)
Interface No alternate setting
Class: Vendor specific
Endpoint 1 Bulk IN transfer
Maximum data transfer size: 64 bytes (Full Speed)
512 bytes (High Speed)
Endpoint 2 Bulk OUT transfer
Maximum data transfer size: 64 bytes (Full Speed)
512 bytes (High Speed)
String
Descriptor
Language ID: US English
1: Manufacturer: “EPSON”
2: Product: “EPSON Scanner”
Pin number Signal Connector
1VCC
2 –DATA
3+DATA
4GND
Pin number Signal Connector
1VCC
2GND
3TPB–
4 TPB+
5TPA–
6 TPA+
1
3
5
64
2