Catalyst 2960-XR User manual

Power Supply Installation
This chapter applies only to the Catalyst 2960-XR switches. It contains these topics:
•Power Supply Module Overview, on page 1
•Installation Guidelines, on page 4
•Installing or Replacing an AC Power Supply, on page 5
•Finding the Serial Number, on page 6
Power Supply Module Overview
The switch operates with either one or two active power supply modules. You can use two AC modules, or
one module and a blank cover.
The Catalyst 2960XR-48FPD-I and 2960XR-48FPS-I only support the PWR-C2-1025WAC power supply.
You cannot use the PWR-C2-250WAC and PWR-C2-640WAC power supplies in these switches.
Note
Table 1: Power Supply Model Numbers and Description
DescriptionPart Number
250-W AC power supply modulePWR-C2-250WAC=
640-W AC power supply modulePWR-C2-640WAC=
1025-W AC power supply modulePWR-C2-1025WAC=
The 250-W and 640-W AC power supply modules are autoranging units that support input voltages between
100 and 240 VAC. The 1025-W power supply module is an autoranging unit that supports input voltages
between 115 and 240 VAC. All power supply modules have internal fans. All switches ship with a blank
cover in the second power supply slot.
Each AC power supply module has a power cord for connection to an AC power outlet.
Power Supply Installation
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Figure 1: PWR-C2-1025WAC Power Supply
AC power cord connector4AC OK LED1
Release latch5PS OK LED2
Power supply6AC power cord retainer3
Figure 2: PWR-C2-640WAC Power Supply
AC power cord connector4AC OK LED1
Release latch5PS OK LED2
Power supply6AC power cord retainer3
Power Supply Installation
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Power Supply Installation
Power Supply Module Overview

Figure 3: PWR-C2-250WAC Power Supply
AC power cord connector4AC OK LED1
Release latch5PS OK LED2
Power supply6AC power cord retainer3
If no power supply is installed in a power supply slot, install a power supply slot cover.
Figure 4: Power Supply Slot Cover
Retainer clips2Release handles1
The power supply modules have two status LEDs.
Power Supply Installation
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Power Supply Installation
Power Supply Module Overview

DescriptionPS OKDescriptionAC OK
Output is disabled, or
input is outside operating
range.
OffNo AC input power.Off (AC LED is off)
Power output to switch.GreenAC input power is
present.
Green
Output has failed.Red
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 if they are
not aligned with the module.
• A power supply that is only partially connected to the switch can disrupt the system operation.
• Remove power from the power-supply module before removing or installing the module.
• The power supply is hot-swappable.
Do not operate the switch with one power-supply module slot empty. For proper chassis cooling, both module
slots must be populated, with either a power supply or a blank module.
Caution
Blank faceplates and cover panels serve three important functions: they prevent exposure to hazardous voltages
and currents inside the chassis; they contain electromagnetic interference (EMI) that might disrupt other
equipment; and they direct the flow of cooling air through the chassis. Do not operate the system unless all
cards, faceplates, front covers, and rear covers are in place. Statement 1024
Warning
Do not reach into a vacant slot or chassis while you install or remove a module. 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
If a Cisco external power system is not connected to the switch, install the provided connector cover on the
back of the switch. Statement 386
Warning
Power Supply Installation
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Power Supply Installation
Installation Guidelines

Installing or Replacing an AC Power Supply
Procedure
Step 1 Turn off the power at its source.
Step 2 Remove the power cord from the power cord retainer.
Step 3 Remove the power cord from the power connector.
Step 4 Press the release latch at the right side of the power supply module inward and slide the power supply out.
Do not leave the power-supply slot open for more than 90 seconds while the switch is operating.
Note
This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit. Statement 1028
Warning
Step 5 Insert the new power supply into the power-supply slot, and gently push it into the slot. When correctly
inserted, the 250-W and 640-W power supplies (excluding the power cord retainer) are flush with the switch
rear panel. The 1025-W power-supply module extends inches from the switch rear panel.
Figure 5: Inserting the AC-Power Supply in the Switch
Step 6 (Optional) Make a loop in the power cord and thread it through the power cord retainer.
Figure 6: AC-Power Supply with Power Cord Retainer
Step 7 Connect the power cord to the power supply and to an AC power outlet. Turn on the power at the power
source.
Step 8 Confirm that the power supply AC OK and PS OK LEDs are green.
Step 9 Repeat the steps to install a second power supply.
Power Supply Installation
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Power Supply Installation
Installing or Replacing an AC Power Supply

When you install the second power supply the LEDs on the power supply might blink momentarily.
Note
Finding the Serial Number
If you contact Cisco Technical Assistance, you need to know the switch serial number. You can also use the
show version privileged EXEC command to see the switch serial number.
Figure 7: 1025-W AC Power Supply Serial Number
Figure 8: 250-W and 640-W AC Power Supply Serial Number
Power Supply Installation
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Power Supply Installation
Finding the Serial Number