Electrical, Environmental, Safety approvals – Epson Perfection PHOTO 2450 User Manual
Page 2: Usb interface, Firewire interface, Transparency unit, Epson perfection 2450 photo
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
1
VCC
2
–DATA
3
+DATA
4
GND
Pin number
Signal
Connector
1
VCC
2
GND
3
TPB–
4
TPB+
5
TPA–
6
TPA+
1
3
5
6
4
2