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Table 21-114: Power Specifications for the Catalyst 3550 Series Intelligent Ethernet Switches
Table 21-115: Physical and Environmental Specifications for the Catalyst 3550 Series Intelligent Ethernet Switches
Table 21-116: Regulatory Certifications and Approvals for the Catalyst 3550 Series Intelligent Ethernet Switches
Description Specification
Power consumption 190 W (maximum) 650 BTUs per hour (Catalyst 3550-12G and 3550-12T);
65 W (maximum), 222 BTUs per hour (Catalyst 3550-24); 86 W (maximum), 294 BTUs per hour (Catalyst
3550-48)
AC input voltage/frequency 100 to 127/200 to 240 VAC (auto-ranging), 50 to 60 Hz
DC Input Voltages +12V @ 13A (Catalyst 3550-12G, 3550-12T, and 3550-48);
+12V @ 8.3A (Catalyst 3550-24)
Description Specification
Dimensions and (H x W x D) 2.63 x 15.9 x 17.5 in. (6.7 x 40.4 x 44.5 cm) (Catalyst 3550-12G and 3550-12T)
1.75 x 14.4 x 17.5 in. (4.45 x 36.6 x 44.5 cm) (Catalyst 3550-24)
1.75 x 16.3 x 17.5 in. (4.45 x 41.3 x 44.5 cm) (Catalyst 3550-48)
1.5 rack-unit (RU) high (Catalyst 3550-12G and 3550-12T)
1.0 rack-unit (RU) high (Catalyst 3550-48 and 3550-24)
Weight 16 lb (7.26 kg) (Catalyst 3550-12G and 3550-12T)
11 lb (5.0 kg) (Catalyst 3550-24)
13 lb (5.9 kg) (Catalyst 3550-48)
Operating temperature 32 to 113˚F (0 to 45˚C)
Storage temperature -13 to 158˚F (-25 to 70˚C)
Operating relative humidity 10 to 85% (non-condensing)
Operating altitude) Up to 10,000 ft (3,049 m)
Storage altitude Up to 15,000 ft (4,573 m)
Not intended for use on top of desktops or in open office environments
Description Specification
Standards IEEE 802.1x (planned future software support)
IEEE 802.1w (planned future software support)
IEEE 802.1s (planned future software support)
IEEE 802.3x full duplex on 10BaseT, 100BaseTX, and 1000BaseT ports
IEEE 802.1D Spanning-Tree Protocol
IEEE 802.1p CoS Prioritization
IEEE 802.1Q VLAN
IEEE 802.3 10BaseT specification
IEEE 802.3u 100BaseTX specification
IEEE 802.3ab 1000BaseT specification
IEEE 802.3z 1000BaseX specification
1000BaseX (GBIC)
1000BaseSX
1000BaseLX/LH
1000BaseZX
RMON I and II standards
SNMPv1 and SNMPv2c
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