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3COM
BAS ELI NE SWI TCHE S DATA SHEE T
®
Specifications
Total Ports
3C16470:
16 autosensing 10/100
3C16471:
24 autosensing 10/100
3C16472:
24 autosensing 10/100 and 2 autosensing
10/100/1000
3C16477A: 8 autosensing 10/100/1000
3C16478:
16 autosensing 10/100/1000
3C16479:
24 autosensing 10/100/1000
Standards Conformance
ISO 8802-3
IEEE 802.3 (Ethernet)
IEEE 802.3u (Fast Ethernet)
IEEE 802.1d (bridging)
IEEE 802.3x (flow control)
IEEE 802.3ab (Gigabit Ethernet)
IEEE 802.1p (traffic prioritization)
Media Interfaces
10/100/1000BASE-TX/RJ-45
MAC Addresses
3C16470, 3C16471, 3C16472: 4000
3C16477A: 8000
3C16478 and 3C16479: 32,000
Ethernet Switching Features
Wirespeed, non-blocking Layer 2 switching; Store-
and-forward forwarding; Full-/half-duplex
auto-negotiation; 802.1p traffic prioritization
(priority queuing)
Electrical Power
Power inlet:
IEC 320
AC line frequency:
47/63 Hz
Input voltage:
100-240 VAC
Current rating:
1A (max)
Maximum power consumption:
3C16470 – 15W,
3C16471 – 20W,
3C16472 - 12.5 W
3C16477A – 9.96W,
3C16478 – 26.3W,
3C16479 – 35.04W
Maximum power dissipation:
3C16470 – 52 BTU/hr,
3C16471 – 68 BTU/hr,
3C16472 - 42.56 BTU/hr
3C16477A – 34.02 BTU/hr,
3C16478 – 89.8 BTU/hr,
3C16479 – 119.7 BTU/hr
LED Indicators
Power, Network traffic/Duplex mode,
Link status/Speed
Operating Temperature:
0° to 40°C (32° to 104°F)
Humidity: 10 to 90% (non-condensing)
Safety
UL 1950, EN 60950, CSA 22.2 #950 IEC 60950
Emissions
EN 55022 Class A, FCC Part 15 Subpart B Class A,
ICES-003 Class A, VCCI Class A,
AS/NZS 3548 Class A, CNS 13438 Class A
Environmental
EN 60068 (IEC 68)
Immunity
EN 55024
Physical Dimensions
Height: 4.4 cm (1.7 in)
Depth: 17.3 cm (6.8 in)
Width: 44 cm (17.3 in)
Weight: 3C16470, 3C16471 and 3C16477A – 1.5 kg
(3.07 lb);
3C16472 - 1.6 Kg (3.52 lb)
3C16478 – 1.87 kg (4.12 lb); 3C16479 – 1.96 kg (4.32 lb)
Package Contents
Baseline Switch
Rubber feet
Rack-mount kit
User's guide
Warranty
Limited Lifetime Hardware Replacement
Other Service Benefits: Advance hardware replace-
ment with same day shipment for North America and
Western Europe. Next day shipment for rest of world.
Calls must be received by published cut-off times.
90 days of telephone technical support. Limited soft-
ware updates.
See www.3com.com/warranty for more detail.
Register products at http://eSupport.3com.com/
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