Table Of Contents
Cisco 10000 ESR
DC Power Entry Module Installation
This publication contains instructions for installing the DC Power Entry Module (PEM) in the Cisco 10000 Edge Services Router (ESR). If you are not familiar with the Cisco 10000 router, see the Cisco 10000 ESR System Description, and the Cisco 10000 ESR Hardware Installation Guide for additional information.
The following sections are included in this configuration guide:
The DC PEM provides filtering and supplies DC power to the chassis electronics (Figure 1). DC PEMs receive input power (-48 VDC) from the building centralized power source through terminal block connections located on the rear of the chassis.
Figure 1 DC PEM
There are two PEM bays in the chassis; however, you only need one PEM to power the router. You can install an additional PEM for power redundancy.
Prerequisites and Preparation
Before you perform any of the procedures in this guide, Cisco recommends that you:
•Read the safety guidelines in the next section and review the electrical safety and ESD-prevention guidelines in the Cisco 10000 ESR Hardware Installation Guide.
•Ensure that you have all of the necessary tools and equipment before beginning the installation (see the "Installation Guidelines" section).
•Have access to the following documents (shipped with your Cisco 10000 system) during the installation:
–Cisco 10000 ESR System Description
–Cisco 10000 ESR Hardware Installation Guide
–Cisco 10000 ESR Troubleshooting Guide
–Cisco 10000 ESR Software Configuration Guide
Before you begin the installation or replacement procedure, review the safety guidelines in this section to avoid injuring yourself or damaging the equipment. Before you install, configure, or perform maintenance on the router, you should also review the safety warnings listed in the Cisco 10000 ESR Hardware Installation Guide.
Safety warnings appear throughout this publication in procedures that, if performed incorrectly, may harm you. A warning symbol precedes each warning statement. The following warning is an example of a safety warning. It identifies the warning symbol and associates it with a bodily injury hazard.
Warning This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.
Note If you need translations of the safety warning, see the Cisco 10000 ESR Hardware Installation Guide.
The Cisco 10000 system is hot-swappable, which means you can remove and replace a defective PEM while the system is operating (assuming that your system has a second DC PEM installed for redundancy). It is not necessary to notify the software or reset the system power. This feature allows you to add, remove, or replace a second PEM while the system maintains all routing information and ensures session preservation.
Required Tools and Equipment
You need the following tools and equipment to install an DC PEM:
•A Number 2 Phillips screwdriver
•3/16-inch flat-blade screwdriver
•An electrostatic discharge (ESD) preventive wrist or ankle strap with connection cord
Adding or Replacing a DC PEM
This section describes how to add or replace a DC PEM in the Cisco 10000 chassis. It contains the following procedures:
Removing the Front Cover
Step 1 Unlock each bezel plug by inserting the tip of a flat-blade screwdriver between the top and bottom sections of the plug, and then rotating the screwdriver to unlock the top portion of the plug (Figure 2).
Repeat this procedure for all four bezel plugs and then remove the plugs.
Figure 2 Unlocking the Bezel Plugs
Step 2 Remove the cover by lifting it up slightly and then pulling it toward you (Figure 3).
Figure 3 Removing the Front Cover
Step 3 Continue installing or replacing the DC PEM:
•If you are installing a second DC PEM, go to the "Installing a Second DC PEM" section.
•If you are replacing an DC PEM, go to the "Replacing a DC PEM" section.
Installing a Second DC PEM
Use the following procedure to install a second DC PEM in the bottom power bay for redundancy.
Step 1 Attach an antistatic wrist strap to your wrist and to an ESD socket on the chassis, or to a bare metal surface on the chassis or frame (Figure 4).
Figure 4 ESD Chassis Connection
Step 2 Loosen the captive screws to remove the blank cover from the bottom power bay (Figure 5).
Figure 5 Removing the Blank Cover
Step 3 Install the new DC PEM all the way into the power bay to ensure a secure connection to the backplane, and then tighten the captive screws (Figure 6).
Figure 6 Installing a DC PEM
Step 4 Loosen the captive screw on the rear safety cover and tilt back the cover (Figure 7).
Figure 7 Loosening the Safety Cover Captive Screw
Step 5 Remove the safety cover by lifting it up and out from the chassis (Figure 8).
Figure 8 Removing the Safety Cover
Step 6 Connect the DC PEM power leads:
•Connect the DC power lead from the external power source to the DC terminal block B labeled -48V/-60V (Figure 9).
•Connect the return wire (RTN) to terminal block B labeled RTN (+) (Figure 9).
Figure 9 DC Power Connection
Step 7 Secure the power cabling to the chassis by feeding a tie-wrap through the slot on the side of the chassis and binding the cables (Figure 10).
Step 8 Replace the rear safety cover, making sure that the power cables exit through the holes on the side of the cover (Figure 10).
Figure 10 Securing DC Power Cables to the Chassis
Step 9 Set the power switch to the on (|) position (Figure 11).
Figure 11 Setting the DC Power Switch to the On Position
Step 10 Replace the front cover.
Replacing a DC PEM
Use the following procedure to replace a DC PEM.
Note The illustrations in this guide show how to replace the DC PEM from the bottom power bay. The procedure is the same to replace a DC PEM in the top power bay.
Step 1 Attach an antistatic wrist strap to your wrist and to an ESD socket on the chassis, or to a bare metal surface on the chassis or frame (Figure 12).
Figure 12 ESD Chassis Connection
Step 2 Power off the PEM you are replacing (Figure 13).
Caution Do not power off both DC PEMs in a redundant system or the system shuts down and all data traffic stops. Only power off the DC PEM you are replacing.
Figure 13 Setting the DC Power Switch to the Off Position
Step 3 Loosen the captive screws on the DC PEM and pull the PEM from the chassis using the handle on the faceplate (Figure 14).
Figure 14 Removing a DC PEM
Step 4 Install the new DC PEM all the way into the power bay to ensure a good connection to the backplane, and tighten the captive screws (Figure 15).
Figure 15 Installing a DC PEM
Step 5 Set the power switch to the on (|) position (Figure 16).
Figure 16 Setting the DC Power Switch to the On Position
Step 6 Replace the front cover.
Troubleshooting the Installation
Table 1 contains troubleshooting information for the DC PEM.
Table 1 Troubleshooting DC PEMs
System fails to power on
•All DC power leads are properly connected to the Cisco 10000.
•The PEM power switches are in the On position.
–The POWER LED should be on (green).
•The blower module is fully inserted and the FANS OK LED is on (green).
FAULT LED (yellow) is on
The PEM is not operating correctly (see the Cisco 10000 ESR Troubleshooting Guide).
MISWIRE LED (yellow) is on
-48V and -48V return leads are reversed (see Step 5 of the "Installing a Second DC PEM" section).
FCC Class A Compliance
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense.
You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:
•Turn the television or radio antenna until the interference stops.
•Move the equipment to one side or the other of the television or radio.
•Move the equipment farther away from the television or radio.
•Plug the equipment into an outlet that is on a different circuit from the television or radio. (That is, make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses.)
Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product.
Cisco Connection Online
Cisco Connection Online (CCO) is Cisco Systems' primary, real-time support channel. Maintenance customers and partners can self-register on CCO to obtain additional information and services.
Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and value-added services to Cisco customers and business partners. CCO services include product information, product documentation, software updates, release notes, technical tips, the Bug Navigator, configuration notes, brochures, descriptions of service offerings, and download access to public and authorized files.
CCO serves a wide variety of users through two interfaces that are updated and enhanced simultaneously: a character-based version and a multimedia version that resides on the World Wide Web (WWW). The character-based CCO supports Zmodem, Kermit, Xmodem, FTP, and Internet e-mail, and it is excellent for quick access to information over lower bandwidths. The WWW version of CCO provides richly formatted documents with photographs, figures, graphics, and video, as well as hyperlinks to related information.
You can access CCO in the following ways:
•Modem: From North America, 408 526-8070; from Europe, 33 1 64 46 40 82. Use the following terminal settings: VT100 emulation; databits: 8; parity: none; stop bits: 1; and connection rates up to 28.8 kbps.
For a copy of CCO's Frequently Asked Questions (FAQ), contact firstname.lastname@example.org. For additional information, contact email@example.com.
Note If you are a network administrator and need personal technical assistance with a Cisco product that is under warranty or covered by a maintenance contract, contact the Cisco Technical Assistance Center (TAC) at 800 553-2447, 408 526-7209, or firstname.lastname@example.org. To obtain general information about Cisco Systems, Cisco products, or upgrades, contact 800 553-6387, 408 526-7208, or email@example.com.
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