7
Quick Installation Guide
interface cable when connecting to this device. Changes or
modifications not expressly approved by Accton could void the
user's authority to operate this equipment. Suggested cable
type is 90
Ω
USB cable.
CE Mark Declaration of Conformance
This is to certify that this product complies with ISO/IEC Guide
22 and EN45014. It conforms to the following specifications:
EMC:
EN55022(1988)/CISPR-22(1985)
class B
IEC 1000-4-2(1995)
4kV CD, 8kV AD
IEC 1000-4-3(1995)
3V/m
IEC 1000-4-4(1995)
1kV - (power line)
0.5kV - (signal line)
IEC 1000-4-6(1995)
3Vrms
T
his product complies with the requirements of the Low Voltage
Directive 73/23/EEC and the EMC Directive 89/336/EEC.
Product Specifications
Standards Conformance
Universal Serial Bus Specification 1.1
Number of Ports
4 USB Type-A (downstream) ports
1 USB Type-B (upstream) port
Dimensions
119 x 66 x 32 mm (4.68 x 2.59 x 1.26 in)
Weight
100 g ( 3.5 oz)
System Requirements
A PC that supports the Universal Serial Bus
An operating system with a generic USB hub driver,
including Windows 95 (OSR2.1 or later), 98, 2000
Power Requirements
Bus-Powered Mode
2.5W, 5 VDC at 0.5A max. (from USB host controller)
Self-Powered Mode
12.6W, 6 VDC at 2.1A max. (100-240 VAC, 50/60 Hz from
optional adapter)
Maximum Current
2.1A @ 6 VDC (from adapter)
Cable Wiring
Full-Speed Devices
90
Ω
shielded USB cable
Low-Speed Devices
90
Ω
shielded or unshielded USB cable
Maximum Length
5 m (16.4 ft) for shielded cable, 3 m (9.8 ft) for unshielded
Maximum Devices
127 (5 hubs in daisy-chain, 6 cables end-to-end max.)
Access Method
Differential and bi-directional per USB spec. 1.1
12 Mbps full speed, 1.5 Mbps low speed
Status LEDs
Power for hub (red=self-powered, green=bus-powered)
Power for Downstream port , Overcurrent
Environmental
Temperature
0° - 40°C / 32° - 104°F (Standard Operating)
-20° - 70°C / -4° - 160°F (Storage)
Humidity
5 - 95% (Noncondensing)
Certification
CE Mark
Emissions
FCC Class B
