Cisco CATALYST RPS 2300 Guida rapida

Corporate Headquarters:

Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA

Installation Notes for Catalyst 3750-E,

Catalyst 3560-E Switches and RPS 2300

Power Supply Modules

This document provides the removal and installation procedures for the power supply modules used with

the Catalyst 3750-E, the Catalyst 3560-E switches, and the Cisco Redundant Power System 2300

(RPS 2300).

For more information about using the power supply modules with a switch or an RPS 2300, see the

Catalyst 3750-E and Catalyst 3560-E Switch Hardware Installation Guide and the Cisco RPS 2300

Hardware Installation Guide on Cisco.com.

For translations of the safety warnings that appear in this publication, see the Regulatory Compliance

and Safety Information for the Catalyst 3750-E and Catalyst 3560-E Switch or the Cisco RPS 2300

Hardware Installation Guide that shipped with the product and that are also available on Cisco.com.

Contents

This document includes these sections:

•Product Overview, page 2

•Power Supply Module Installation, page 5

•Technical Specifications, page 12

•Related Publications, page 14

•Obtaining Documentation, page 14

•Documentation Feedback, page 15

•Cisco Product Security Overview, page 16

•Obtaining Technical Assistance, page 17

•Obtaining Additional Publications and Information, page 18

Installation Notes for Catalyst 3750-E, Catalyst 3560-E Switches and RPS 2300 Power Supply Modules

78-17570-01

Product Overview

Table 1 describes the power supply modules.

Table 2 describes the supported power supply modules for the switches and the RPS 2300.

For more information about which RPS 2300 power supply modules to use for specific switch support,

see the Cisco Redundant Power System 2300 Hardware Installation Guide.

The 750-W and 265-W AC power supply modules are autoranging units that support input voltages

between 100 and 240 VAC. The 1150-W power supply module is an autoranging unit that supports input

voltages between 115 and 240 VAC. The DC power supply module has dual input feeds (A and B) and

supports input voltages between 36 and 72 VDC.

The AC power supply modules include a power cord for connection to an AC power outlet. The 1150-W

and 750-W modules use a 16-AWG cord (only North America). All other modules use an 18-AWG cord.

The DC power supply module requires wiring to a DC-power source.

Table 1 Power Supply Module Part Numbers and Description

Part number Description

C3K-PWR-1150WAC 1150-W AC power supply module

C3K-PWR-750WAC 750-W AC power supply module

C3K-PWR-265WAC 265-W AC power supply module

C3K-PWR-265WDC 265-W DC power supply module

Table 2 Power Supply Modules Used with Switches and RPS 2300

Catalyst 3750-E and

Catalyst 3560-E

Switches and RPS 2300

1150 W AC

Power Supply

750 W AC

Power Supply

265 W AC

Power Supply

265 W DC

Power Supply

48-port PoE switch1

1. For full 15.4-W support on a 48-port PoE switch, you must use the 1150-W AC power supply module in the switch.

Primary or spare Spare or primary Not allowed Not allowed

24-port PoE switch Spare or primary Primary or spare Not allowed Not allowed

48-port non-PoE

switch

Spare Spare Primary or spare Primary or spare

24-port non-PoE

switch

Spare Spare Primary or spare Primary or spare

RPS 23002

2. If only one power supply module is installed in the RPS 2300, you must install the blank insert in the empty power supply

slot.

Primary Primary Not allowed Not allowed

Installation Notes for Catalyst 3750-E, Catalyst 3560-E Switches and RPS 2300 Power Supply Modules

78-17570-01

Product Overview

Figure 1 to Figure 3 show the power supply modules.

Figure 1 1150-W AC Power Supply Module

Figure 2 750-W AC and 265-W AC Power Supply Modules

11150-W AC power supply module 5AC power connector

2AC OK LED 6Cooling fans

3PS OK LED 7Extraction handle

4Captive screw

200058

AC OK PS OK

45667

1750- or 265-W AC power supply module 4Captive screws

2AC OK LED 5AC power connector

3PS OK LED 6Extraction handle

200057

AC OK PS OK

100-240 V

10-5 A

50-60 HZ

Installation Notes for Catalyst 3750-E, Catalyst 3560-E Switches and RPS 2300 Power Supply Modules

78-17570-01

Product Overview

Figure 3 265-W DC Power Supply Module

The power supply modules have two status LEDs. Table 3 lists the LED colors and their meanings.

1265-W DC power supply module 4Captive screws

2Input power terminals 5Extraction handle

3DC OK and PS OK LEDs

FRU CC 265W

DC IN

PS OK

INPUT

-36 to -72V

/12A

OUTPUT

265W MAX

/22A

200059

Table 3 Power Supply Module LEDs

AC-Power Supply Module LEDs

AC OK Description PS OK Description

Off No AC input power Off Power supply failure

Green AC input power present Green Power output to switch active

Red No output power to switch

DC-Power Supply Module LEDs

DC IN Description PS OK Description

Off No DC input power Off Power supply failure

Green DC input power present Green Power output to switch active

Installation Notes for Catalyst 3750-E, Catalyst 3560-E Switches and RPS 2300 Power Supply Modules

78-17570-01

Power Supply Module Installation

This section describes how to remove and install a new or replacement power supply module in

Catalyst 3750-E and Catalyst 3560-E switches, or an RPS 2300. See these sections:

•Tools and Equipment, page 5

•Installation Guidelines, page 5

•Installing an AC-Power Supply, page 6

•Installing a DC-Power Supply (Only Catalyst 3750-E and 3560-E Switches), page 8

Tools and Equipment

Obtain these necessary tools and equipment:

•Ratcheting torque screwdriver with a number-2 Phillips head that exerts up to 15 pound-force inches

(lbf-in.) or 240 ounce-force inches (ozf-in.) of pressure. For 1150-W power supply modules, the

screwdriver shaft length should be at least 6-inches long.

•Power-supply power-cord retainer in the switch accessory kit.

Installation Guidelines

Observe these guidelines when removing or installing a power supply module:

•Do not force the power supply module into the slot. This can damage the pins on the switch or the

RPS 2300 if they are not aligned with the unit.

•A power supply module that is only partially connected to the switch or the RPS 2300 can disrupt

the system operation.

•Remove power from the power supply module before removing or installing the module.

•The switch supports hot swapping of the power supply when the switch is connected to an RPS 2300

that can provide backup power. You can remove and replace the power supply without interrupting

normal switch operation. When you insert a new power supply in the switch, there is a 5-second

delay while the switch software polls the device. The switch power supply then automatically

provides power, and the RPS is available to power other devices.

•The RPS 2300 supports hot swapping of the power supply module when an external device is

connected to it.

–

If the RPS 2300 is not backing up an external device, you can remove and replace the power

supply module without disconnecting the system power.

–

If two 1150-W power supply modules are installed in the RPS 2300, you can remove one of the

modules when backing up an external device.

–

The RPS 2300 does not support hot swapping of the power supply module when two 750-W

power supply modules are installed and the RPS 2300 is backing up a device with an 1150-W

power supply.

•Make sure that you tighten the power supply module captive screws before moving the switch or the

RPS 2300.

•When replacing the 1150-W or the 750-W power supply module, verify that you are using the

correct power cord (CAB-16AWG-AC, only North America).

Installation Notes for Catalyst 3750-E, Catalyst 3560-E Switches and RPS 2300 Power Supply Modules

78-17570-01

Power Supply Module Installation

Warning

Do not reach into a vacant slot or chassis while you install or remove a module or a fan. Exposed

circuitry could constitute an energy hazard.

Statement 206

Warning

Only trained and qualified personnel should be allowed to install, replace, or service this equipment.

Statement 1030

Warning

Do not work on the system or connect or disconnect cables during periods of lightning activity.

Statement 1001

Installing an AC-Power Supply

To remove and install an AC-powered power supply module, follow these steps:

Step 1 Turn off the power at its source.

Step 2 Detach the power cord retainer from the power cord.

Step 3 Remove the power cord from the power connector.

Step 4 Use a Phillips screwdriver to loosen the two captive screws at the lower edge that secure the power

supply to the chassis.

Caution Do not leave the power supply slot open for more than 90 seconds while the switch or the RPS 2300 is

operational.

Step 5 Remove the power supply module from the power slot by pulling on the extraction handle.

Step 6 Insert the new power supply into the power supply slot, and gently push it into the slot (Figure 4 and

Figure 5). When correctly inserted, the power supply is flush with the panel. Note: the 1150-W power

supply module extends 3.6 inches (9.14 cm) from the panel.

Figure 4 Inserting an AC-Power Supply into a Switch

158122

AC OK PS OK

100-240 V

10-5 A

50-60 HZ

Installation Notes for Catalyst 3750-E, Catalyst 3560-E Switches and RPS 2300 Power Supply Modules

78-17570-01

Power Supply Module Installation

Figure 5 Inserting an AC-Power Supply into an RPS 2300

Step 7 Align the two captive screws with the screw holes in the panel. Using a ratcheting torque screwdriver,

torque each screw to 10 lbf-in. (160 ozf-in.).

Step 8 Connect the power cord to the power supply and to an AC-power outlet.

Step 9 (Optional) Snap the AC power cord retainer into place to secure the power cord (Figure 6 and Figure 7).

Figure 6 AC-Power Supply and Power Cord Retainer Installed in a Switch

Figure 7 AC-Power Supply and Power Cord Retainer Installed in the RPS 2300

Step 10 Turn on the power at the power source.

Step 11 Confirm that the power supply AC OK LED is green. See Table 3 for a description of the module LEDs.

Cisco RPS 2450

STDBY /

ACTIVE

TEMP

FAN

234

DC OUTPUT

SELECT STDBY/

ACTIVE

AC OK DC OK

100-240V

10-5 A

50-60HZ

ACOKDCOK

100-240 V

10-5 A

50-60 HZ

100-240V

10-5 A

50-60 HZ

100-240 V

10-5 A

50-60 HZ

157544

157706

AC OK PS OK

100-240 V

10-5 A

50-60 HZ

STDBY/

ACTIVE

Redundant Power System 2300

AC OK DC OK

100-240 V

10-5 A

50-60 HZ

200107

Installation Notes for Catalyst 3750-E, Catalyst 3560-E Switches and RPS 2300 Power Supply Modules

78-17570-01

Power Supply Module Installation

Installing a DC-Power Supply (Only Catalyst 3750-E and 3560-E Switches)

To connect the switch to a DC-input power source, follow these steps:

1. Preparing for Installation, page 8

2. Grounding the Switch, page 9

3. Installing the DC Power Supply in the Switch, page 10

4. Wiring the DC-Input Power Source, page 11

Warning

An exposed wire lead from a DC-input power source can conduct harmful levels of electricity. Be sure

that no exposed portion of the DC-input power source wire extends from the terminal block plug.

Statement 122

Warning

Before connecting or disconnecting ground or power wires to the chassis, ensure that power is

removed from the DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel

board that services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch

handle of the circuit breaker in the OFF position. Use a voltmeter to test for 0 (zero) voltage at the

power terminals on the chassis.

Statement 196

Warning

This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that

the protective device is rated not greater than: 15 A.

Statement 1005

Note The grounding architecture of this product is DC-isolated (DC-I).

Preparing for Installation

Obtain these necessary tools and equipment:

•Ratcheting torque screwdriver with a number-2 and a number-1 Phillips head that exerts up to

15 pound-force inches (lbf-in.) or 240 ounce-force inches (ozf-in.) of pressure.

•Panduit crimping tool with optional controlled-cycle mechanism (model CT-720, CT-920,

CT-920CH, CT-930, or CT-940CH).

•Wire-stripping tools.

•12-gauge copper ground wire (insulated or noninsulated) when using the single-ground connection.

•6-gauge copper ground wire (insulated or noninsulated) when using the dual-ground connection.

•Ground lug screw and lug ring in the switch accessory kit. For a dual ground connection, also use

the dual-ground adaptor and dual-hole lug from the DC power supply accessory kit.

•Four leads of 16-gauge copper wire.

•Four round eyelet terminals or four fork-type terminals from the DC power supply accessory kit.

Installation Notes for Catalyst 3750-E, Catalyst 3560-E Switches and RPS 2300 Power Supply Modules

78-17570-01

Power Supply Module Installation

Grounding the Switch

Warning

This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the

absence of a suitably installed ground conductor. Contact the appropriate electrical inspection

authority or an electrician if you are uncertain that suitable grounding is available.

Statement 1024

Warning

When installing or replacing the unit, the ground connection must always be made first and

disconnected last.

Statement 1046

Caution To make sure that the equipment is reliably connected to earth ground, follow the grounding procedure

instructions.

Follow these steps to install either a single-ground lug or a dual-ground lug on the switch. Make sure to

follow any grounding requirements at your site.

Step 1 Locate the ground lug screw and the lug ring in the switch accessory kit. For a dual-ground connection,

also locate the dual-ground adaptor and the dual-hole lug that ships with the DC power supply module.

Step 2 If your ground wire is insulated, use a wire stripping tool to strip the 12-gauge or 6-gauge ground wire

to 0.5 inch (12.7 mm) ± 0.02 inch (0.5 mm). Use 12-gauge copper ground wire for the single-ground

connection. Use 6-gauge copper ground wire for the dual-ground connection.

Figure 8 Stripping the Ground Wire

Step 3 Slide the open end of the ground lug over the exposed area of the wire.

Step 4 Using a Panduit crimping tool, crimp the ground lug to the wire.

Figure 9 Crimping the Ground Lug

Insulation Wire lead

0.5 in. (12.7 mm) ± 0.02 in. (0.5 mm)

60528

200044

Installation Notes for Catalyst 3750-E, Catalyst 3560-E Switches and RPS 2300 Power Supply Modules

78-17570-01

Power Supply Module Installation

Step 5 Use the ground screw to attach the single-ground lug and wire assembly or the dual-ground adaptor to

the switch rear panel. Using a ratcheting torque screwdriver, torque the ground-lug screw to 60 lbf-in.

(960 ozf-in.) (Figure 10).

Step 6 For a dual-ground adaptor, attach the dual-hole lug and wire assembly to the adaptor with the supplied

nuts (Figure 10).

Figure 10 Attaching the Ground Lug and Wire Assembly

Step 7 Connect the other end of the grounding wire to an appropriate grounding point at your site or to the rack.

Installing the DC Power Supply in the Switch

To remove and install a DC-powered power supply module, follow these steps:

Step 1 Turn off power at the DC circuits. To ensure that power is removed from the DC circuits, locate the

circuit breakers for the DC circuits, switch the circuit breakers to the OFF position, and tape the

circuit-breaker switches in the OFF position.

Step 2 Use a number-2 Phillips screwdriver to remove the plastic safety cover from the power supply terminal

blocks.

Step 3 Use a number-1 Phillips screwdriver to remove the DC-input power wires from the power terminals.

1Single-ground screw and lug ring

2Dual-ground adaptor and dual-hole lug

157547

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