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Connecting a cisco rps, Connecting to the 10/100 and 10/100/1000 ports – Cisco 3550 User Manual

Page 47

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2-17

Catalyst 3550 Switch Hardware Installation Guide

OL-6155-01

Chapter 2 Switch Installation

Powering the Switch and Connecting Devices

Connecting a Cisco RPS

Use the cable supplied with the RPS to connect to the switch rear panel. Connect the switch and the RPS
to the same AC power source. Always put the RPS in standby mode when you connect devices to it and
in active mode during normal operation.

Note

Make sure to connect the switch and the RPS to the same AC power source.

You can connect the Cisco RPS 300 (model PWR300-AC-RPS-N1) to these switch models:

Catalyst 3550-12T, 3550-12G, 3550-24, 3550-FX, or 3550-48 switch. (The Cisco RPS 300 does not
support the Catalyst 3550-24-DC or 3550-24PWR switch.)

Warning

Attach only the Cisco RPS (model PWR300-AC-RPS-N1) to the RPS receptacle. Statement 100B

You can connect the Cisco RPS 675 (model PWR675-AC-RPS-N1) to these switch models.

Catalyst 3550-12T, 3550-12G, 3550-24, 3550-FX, 3550-24PWR, or 3550-48 switch. (The Cisco
RPS 675 does not support the Catalyst 3550-24-DC switch.)

Warning

Attach only the Cisco RPS (model PWR675-AC-RPS-N1) to the RPS receptacle. Statement 100C

Connecting to the 10/100 and 10/100/1000 Ports

Caution

To prevent ESD damage, follow your normal board and component handling procedures when
connecting to the Ethernet ports.

Use the guidelines in

Table 2-1

to select the correct cable for connecting the switch 10/100 and

10/100/1000 ports to other devices. See the

“Cable and Adapter Specifications” section on page B-3

for

cable-pinout descriptions.

Table 2-1

Recommended Ethernet Cables

Device

Crossover Cable

1

1.

100BASE-TX and 1000BASE-T traffic requires twisted four-pair, Category 5 cable. 10BASE-T
traffic can use Category 3 or Category 4 cable.

Straight-Through Cable

1

Switch to switch

Yes

No

Switch to hub

Yes

No

Switch to computer
or server

No

Yes

Switch to router

No

Yes

Switch to IP phone

No

Yes