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Feature

Benefit

Customers can provide power to a switch by using either the internal power supply or the Cisco RPS. The RPS 300

Power Connectors

is compatible with all Catalyst 3550 models except the 3550-24-DC and 3550-24 PWR. The RPS 675 is compatible

with all Catalyst 3550 models except the 3550-24-DC. The connectors are located at the back of the switch

Internal Power Supply Connector

Cisco RPS 675 Connector

Cisco RPS 300 Connector

Per-port status LEDs: link integrity, disabled, activity, speed, and full-duplex indications

Indicators

System status LEDs: system, RPS, and bandwidth utilization indications

2.63 x 17.5 x 15.9 in. (6.7 x 44.5 x 40.4 cm) (Catalyst 3550-12G and 3550-12T)

Dimensions and

1.75 x 17.5 x 17.4 in (4.45 x 44.5 x 44 cm) (Catalyst 3550-24 PWR)

Weight (H x W x D)

1.75 x 17.5 x 14.4 in. (4.45 x 44.5 x 36.6 cm) (Catalyst 3550-24 and 3550-24-DC)

1.75 x 17.5 x 16.3 in. (4.45 x 44.5 x 41.3 cm) (Catalyst 3550-24-FX and 3550-48)

1.5 RU high (Catalyst 3550-12G and 3550-12T)

1.0 RU high (Catalyst 3550-48 and 3550-24, 3550-24 PWR, 3550-24-DC and 3550-24-FX)

16 lb (7.3 kg) (Catalyst 3550-12G and 3550-12T)

14 lb (6.35 kg) (Catalyst 3550-24 PWR)

11 lb (5.0 kg) (Catalyst 3550-24 and 3550-24-DC)

12 lb (5.5 kg) (Catalyst 3550-24-FX)

13 lb (5.9 kg) (Catalyst 3550-48)

Operating temperature: 32° to 113°F (0° to 45°C)

Environmental

Storage temperature: -13° to 158°F (-25° to 70°C)

Ranges

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)

Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com.

–

The internal power supply is an auto-ranging unit

–

The internal power supply supports input voltages between 100 and 240 VAC

–

Use the supplied AC power cord to connect the AC power connector to an AC power outlet

– The connector offers connection for an optional Cisco RPS 675 that uses AC input and supplies DC output

to the switch

–

The connector offers a 675-watt redundant power system that can support six external network devices and

provides power to one failed device at a time

–

The connector automatically senses when the internal power supply of a connected device fails and provides

power to the failed device, preventing loss of network traffic

–

Attach only the Cisco RPS 675 (model PWR675-AC-RPS-NI=) to the redundant power supply receptacle

with this connector. See above for Catalyst 3550 RPS compatibility

–

The connector offers connection for an optional Cisco RPS 300 that uses AC input and supplies DC output

to the switch

–

The connector offers a 300-watt redundant power system that can support six external network devices and

provides power to one failed device at a time

–

The connector automatically senses when the internal power supply of a connected device fails and provides

power to the failed device, preventing loss of network traffic

–

Attach only the Cisco RPS 300 (model PWR300-AC-RPS-N1) to the redundant power supply receptacle

with this connector. See above for Catalyst 3550 RPS compatibility

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