Cisco Universal Broadband Router Cisco uBR10012 User manual

Cisco Systems, Inc.
www.cisco.com
AC Power Entry Module for the Cisco uBR10012
Universal Broadband Router
First Published: June 10, 2002
Last Updated: February 22, 2011
This document describes the AC power entry module (AC PEM) and how to install it in the
Cisco uBR10012 universal broadband router.
Document Revision History
The Document Revision History table below records technical changes to this document. The table
shows the document revision number for the change, the date of the change, and a brief summary of the
change. Note that not all Cisco documents use a Document Revision History table.
Contents
• Feature Overview, page 2
• Safety Information and Warnings, page 7
• Removing and Replacing an AC PEM, page 13
• Troubleshooting the PEM, page 25
• Technical Specifications, page 26
• Obtaining Documentation and Submitting a Service Request, page 26
Revision Date Change Summary
OL-24536-01 February 22, 2011 Moved document to online only and updated format.
78-13996-01 June 10, 2002 Initial publication.

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Feature Overview
Feature Overview
The Cisco uBR10012 router can optionally ship with two AC power entry modules (PEMs) that provide
a redundant power supply to the system. One AC PEM can provide sufficient power for a fully
configured chassis, so that if one AC PEM fails, the other automatically begins providing power for the
entire router, without impacting system operations.
Note You should be using Cisco IOS Release 12.2(4)XF1, Cisco IOS Release 12.2(4)BC1a, or a later release
when using the AC PEM. If using an earlier release, the show environment command will not correctly
identify the AC PEM’s error messages.
Caution The Cisco uBR10012 router supports using either the AC PEM or the DC PEM, but it does not support
mixing AC and DC PEMs. Both PEMs must be either AC PEMs or DC PEMs.
The AC PEMs use standard 200–240 VAC (50/60 Hz) input power obtained through power receptacles
on the front panel of each PEM. The two AC PEMs convert the AC power to provide filtered, redundant,
and load shared DC power to the Cisco uBR10012 chassis.
Caution The AC PEMs cannot be used with a 100–120 VAC input power source.
Tips For fully redundant power protection, use either an uninterruptible power supply (UPS) or a separate
AC-input power source for each AC PEM.
This document contains the procedures to replace an existing second (redundant) AC PEM and to replace
both AC PEMs.
Note You do not need to shut down the Cisco uBR10012 router to replace a redundant AC PEM. If you are
replacing both AC PEMs, you can replace one, bring it online, and then replace the other one to avoid
shutting down the system.
Caution Although one AC PEM can provide sufficient power for a fully configured Cisco uBR10012 chassis, the
system should not be run for an extended period of time with only one AC PEM. If an AC PEM fails,
order and install a replacement AC PEM as soon as possible. The product order number for a
replacement AC PEM is UBR10-PWR-AC=. For proper airflow, cooling, and safety, do not remove the
failed unit until the replacement unit is available for installation.
Note The output of the show inventory command does not display the serial number for the AC PEM
(UBR10-PWR-AC). Visually inspect the serial number label printed on the AC PEM to locate the serial
number.

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Feature Overview
Physical Description
Figure 1 shows the front panel of the AC PEM for the Cisco uBR10012 router.
Figure 1 AC PEM Front Panel
Figure 2 shows a Cisco uBR10012 router with dual AC PEMs installed.
1Power cord clips 3AC power switch
2AC power receptacle 4—
62520
POWER
FAULT
1
2
3

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Feature Overview
Figure 2 Cisco uBR10012 Router with AC PEM Modules
Caution Do not attempt to lift the Cisco uBR10012 chassis by using the two handles on the front of the AC PEM.
The handles on the AC PEM are for removing and inserting the PEM into the Cisco uBR10012 chassis.
ALARMS
CISCO
10000
FAIL
PERFORMANCE ROUTING ENGINE
CONSOLE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ETHERNET
LINK
ACTIVITY
AUX
SLOT0
SLOT1
ALARMS
CISCO
10000
FAIL
PERFORMANCE ROUTING ENGINE
CONSOLE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ETHERNET
LINK
ACTIVITY
AUX
SLOT0
SLOT1
62521
Fan
assembly
LCD
panel
PRE
module
PEM
POWER
FAULT
POWER
FAULT

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Feature Overview
LEDs
Table 1 describes the LEDs on the AC PEM.
Air Flow
The AC PEM works together with the fan assembly module to ensure that the Cisco uBR10012 chassis
is properly cooled during normal operation. Figure 3 shows the airflow through the Cisco uBR10012
chassis when dual AC PEMs are installed.
Table 1 AC PEM LEDs and Their Function
LED Color Description
Power Green The PEM is on, is receiving power from the AC power source, and is providing
power to the Cisco uBR10012 chassis (normal operations).
Fault Yellow Indicates that AC-input power is being received by the PEM, but that the PEM is
not supplying power to the chassis, typically because the PEM’s power switch is
turned to the standby position.
If the power switch is in the ON position, the PEM is not operating correctly.

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Feature Overview
Figure 3 Airflow Through the Cisco uBR10012 Chassis with Dual AC PEMs
Note Figure 3 shows the Cisco uBR10012 chassis without the front bezel installed, but the front bezel should
be installed during normal operation so that the air filter in the bezel can filter the incoming air before
it enters the chassis.
62522
ALARMS
CISCO
10000
FAIL
PERFORMANCE ROUTING ENGINE
CONSOLE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ETHERNET
LINK
ACTIVITY
AUX
SLOT0
SLOT1
ALARMS
CISCO
10000
FAIL
PERFORMANCE ROUTING ENGINE
CONSOLE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ETHERNET
LINK
ACTIVITY
AUX
SLOT0
SLOT1
POWER
FAULT
POWER
FAULT

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Safety Information and Warnings
Power Supply Cables
The AC PEM requires different power supply cables, depending on the country of operation. Table 2 lists
the product order numbers for the power supply cables that are available for the AC PEM for the
Cisco uBR10012 universal broadband router.
Safety Information and Warnings
Following are safety guidelines that you should follow when working with any equipment that connects
to electrical power:
Table 2 Power Cables for the AC Power Entry Module for the Cisco uBR10012 Router
Product Order Number Description
CAB-UBR10-AC-US North America—Uses a locking NEMA L6-20 connector at
the end that plugs into the AC power source.
CAB-UBR10-AC-AR Argentina
CAB-UBR10-AC-AU Australia/New Zealand
CAB-UBR10-AC-CH China
CAB-UBR10-AC-EU Europe
CAB-UBR10-AC-IT Italy
CAB-UBR10-AC-JP Japan
CAB-UBR10-AC-UK United Kingdom

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Safety Information and Warnings
Warning IMPORTANT SAFETY INSTRUCTIONS
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 translated safety warnings that accompanied this device.
Note: SAVE THESE INSTRUCTIONS
Note: This documentation is to be used in conjunction with the specific product installation guide
that shipped with the product. Please refer to the Installation Guide, Configuration Guide, or other
enclosed additional documentation for further details.
Waarschuwing
BELANGRIJKE VEILIGHEIDSINSTRUCTIES
Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan
veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij
elektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van de standaard
praktijken om ongelukken te voorkomen. Voor een vertaling van de waarschuwingen die in deze
publicatie verschijnen, dient u de vertaalde veiligheidswaarschuwingen te raadplegen die bij dit
apparaat worden geleverd.
Opmerking
BEWAAR DEZE INSTRUCTIES.
Opmerking
Deze documentatie dient gebruikt te worden in combinatie met de
installatiehandleiding voor het specifieke product die bij het product wordt geleverd. Raadpleeg
de installatiehandleiding, configuratiehandleiding of andere verdere ingesloten documentatie voor
meer informatie.
Varoitus
TÄRKEITÄ TURVALLISUUTEEN LIITTYVIÄ OHJEITA
Tämä varoitusmerkki merkitsee vaaraa. Olet tilanteessa, joka voi johtaa ruumiinvammaan. Ennen
kuin työskentelet minkään laitteiston parissa, ota selvää sähkökytkentöihin liittyvistä vaaroista ja
tavanomaisista onnettomuuksien ehkäisykeinoista. Tässä asiakirjassa esitettyjen varoitusten
käännökset löydät laitteen mukana toimitetuista ohjeista.
Huomautus
SÄILYTÄ NÄMÄ OHJEET
Huomautus
Tämä asiakirja on tarkoitettu käytettäväksi yhdessä tuotteen mukana tulleen
asennusoppaan kanssa. Katso lisätietoja asennusoppaasta, kokoonpano-oppaasta ja muista
mukana toimitetuista asiakirjoista.

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Safety Information and Warnings
Attention
IMPORTANTES INFORMATIONS DE SÉCURITÉ
Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant
causer des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez
conscient des dangers posés par les circuits électriques et familiarisez-vous avec les procédures
couramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions
d'avertissements figurant dans cette publication, consultez les consignes de sécurité traduites qui
accompagnent cet appareil.
Remarque
CONSERVEZ CES INFORMATIONS
Remarque
Cette documentation doit être utilisée avec le guide spécifique d'installation du produit
qui accompagne ce dernier. Veuillez vous reporter au Guide d'installation, au Guide de
configuration, ou à toute autre documentation jointe pour de plus amples renseignements.
Warnung
WICHTIGE SICHERHEITSANWEISUNGEN
Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu einer
Körperverletzung führen könnte. Bevor Sie mit der Arbeit an irgendeinem Gerät beginnen, seien Sie
sich der mit elektrischen Stromkreisen verbundenen Gefahren und der Standardpraktiken zur
Vermeidung von Unfällen bewusst. Übersetzungen der in dieser Veröffentlichung enthaltenen
Warnhinweise sind im Lieferumfang des Geräts enthalten.
Hinweis
BEWAHREN SIE DIESE SICHERHEITSANWEISUNGEN AUF
Hinweis
Dieses Handbuch ist zum Gebrauch in Verbindung mit dem Installationshandbuch für Ihr
Gerät bestimmt, das dem Gerät beiliegt. Entnehmen Sie bitte alle weiteren Informationen dem
Handbuch (Installations- oder Konfigurationshandbuch o. Ä.) für Ihr spezifisches Gerät.
Figyelem!
FONTOS BIZTONSÁGI ELÕÍRÁSOK
Ez a figyelmezetõ jel veszélyre utal. Sérülésveszélyt rejtõ helyzetben van. Mielõtt bármely
berendezésen munkát végezte, legyen figyelemmel az elektromos áramkörök okozta kockázatokra,
és ismerkedjen meg a szokásos balesetvédelmi eljárásokkal. A kiadványban szereplõ
figyelmeztetések fordítása a készülékhez mellékelt biztonsági figyelmeztetések között található.
Megjegyzés ÕRIZZE MEG EZEKET AZ UTASÍTÁSOKAT!
Megjegyzés Ezt a dokumentációt a készülékhez mellékelt üzembe helyezési útmutatóval együtt
kell használni. További tudnivalók a mellékelt Üzembe helyezési útmutatóban (Installation Guide),
Konfigurációs útmutatóban (Configuration Guide) vagy más dokumentumban találhatók.
Avvertenza
IMPORTANTI ISTRUZIONI SULLA SICUREZZA
Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle
persone. Prima di intervenire su qualsiasi apparecchiatura, occorre essere al corrente dei pericoli
relativi ai circuiti elettrici e conoscere le procedure standard per la prevenzione di incidenti. Per
le traduzioni delle avvertenze riportate in questo documento, vedere le avvertenze di sicurezza che
accompagnano questo dispositivo.
Nota
CONSERVARE QUESTE ISTRUZIONI
Nota
La presente documentazione va usata congiuntamente alla guida di installazione specifica
spedita con il prodotto. Per maggiori informazioni, consultare la Guida all'installazione, la Guida
alla configurazione o altra documentazione acclusa.

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Safety Information and Warnings
Advarsel
VIKTIGE SIKKERHETSINSTRUKSJONER
Dette varselssymbolet betyr fare. Du befinner deg i en situasjon som kan forårsake personskade.
Før du utfører arbeid med utstyret, bør du være oppmerksom på farene som er forbundet med
elektriske kretssystemer, og du bør være kjent med vanlig praksis for å unngå ulykker. For å se
oversettelser av advarslene i denne publikasjonen, se de oversatte sikkerhetsvarslene som følger
med denne enheten.
Merk
TA VARE PÅ DISSE INSTRUKSJONENE
Merk
Denne dokumentasjonen skal brukes i forbindelse med den spesifikke
installasjonsveiledningen som fulgte med produktet. Vennligst se installasjonsveiledningen,
konfigureringsveiledningen eller annen vedlagt tilleggsdokumentasjon for detaljer.
Aviso
INSTRUÇÕES IMPORTANTES DE SEGURANÇA
Este símbolo de aviso significa perigo. O utilizador encontra-se numa situação que poderá ser
causadora de lesões corporais. Antes de iniciar a utilização de qualquer equipamento, tenha em
atenção os perigos envolvidos no manuseamento de circuitos eléctricos e familiarize-se com as
práticas habituais de prevenção de acidentes. Para ver traduções dos avisos incluídos nesta
publicação, consulte os avisos de segurança traduzidos que acompanham este dispositivo.
Nota GUARDE ESTAS INSTRUÇÕES
Nota Esta documentação destina-se a ser utilizada em conjunto com o manual de instalação
incluído com o produto específico. Consulte o manual de instalação, o manual de configuração ou
outra documentação adicional inclusa, para obter mais informações.
¡Advertencia!
INSTRUCCIONES IMPORTANTES DE SEGURIDAD
Este símbolo de aviso indica peligro. Existe riesgo para su integridad física. Antes de manipular
cualquier equipo, considere los riesgos de la corriente eléctrica y familiarícese con los
procedimientos estándar de prevención de accidentes. Vea las traducciones de las advertencias
que acompañan a este dispositivo.
Nota
GUARDE ESTAS INSTRUCCIONES
Nota
Esta documentación está pensada para ser utilizada con la guía de instalación del producto
que lo acompaña. Si necesita más detalles, consulte la Guía de instalación, la Guía de
configuración o cualquier documentación adicional adjunta.
Varning!
VIKTIGA SÄKERHETSANVISNINGAR
Denna varningssignal signalerar fara. Du befinner dig i en situation som kan leda till personskada.
Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och
känna till vanliga förfaranden för att förebygga olyckor. Se översättningarna av de
varningsmeddelanden som finns i denna publikation, och se de översatta säkerhetsvarningarna
som medföljer denna anordning.
OBS!
SPARA DESSA ANVISNINGAR
OBS!
Denna dokumentation ska användas i samband med den specifika
produktinstallationshandbok som medföljde produkten. Se installationshandboken,
konfigurationshandboken eller annan bifogad ytterligare dokumentation för närmare detaljer.

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Safety Information and Warnings
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.

(To see translations of the warnings that appear in this publication, refer to the appendix “Translated
Safety Warnings” in the installation guide that accompanied this device.)
Warning This equipment must be installed and maintained by service personnel as defined by AS/NZS 3260.
Incorrectly connecting this equipment to a general purpose outlet could be hazardous. The
telecommunications lines must be disconnected 1) before unplugging the main power connector or 2)

12
AC Power Entry Module for the Cisco uBR10012 Universal Broadband Router
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Safety Information and Warnings
while the housing is open. 
(To see translations of the warnings that appear in this publication, refer to the appendix “Translated
Safety Warnings” in the installation guide that accompanied this device.)
Warning Take care when connecting units to the supply circuit so that wiring is not overloaded. 
(To see translations of the warnings that appear in this publication, refer to the appendix “Translated
Safety Warnings” in the installation guide that accompanied this device.)
Electrical Equipment Guidelines
Follow these basic guidelines when working with any electrical equipment:
• Before beginning any procedures requiring access to the chassis interior, locate the emergency
power-off switch for the room in which you are working.
• Disconnect all power and external cables before moving a chassis.
• Do not work alone when potentially hazardous conditions exist.
• Never assume that power has been disconnected from a circuit; always check.
• Do not perform any action that creates a potential hazard to people or makes the equipment unsafe.
• Carefully examine your work area for possible hazards such as moist floors, ungrounded power
extension cables, and missing safety grounds.
Preventing Electrostatic Discharge Damage
Electrostatic discharge (ESD) damage, which occurs when electronic cards or components are
improperly handled, can result in complete or intermittent failures. The AC PEMs contain a printed
circuit card that is fixed in a metal carrier. Electromagnetic interference (EMI) shielding and connectors
are integral components of the carrier. Although the metal carrier helps to protect the cards from ESD,
use an antistatic strap each time you handle the modules.
Following are guidelines for preventing ESD damage:
• Always use an ESD-preventive wrist or ankle strap and ensure that it makes good skin contact.
Before removing a card from the chassis, connect the equipment end of the strap to a bare metal,
unpainted surface on the chassis or rack-mount.
• Handle components by the carrier edges only; avoid touching the card components or any connector
pins.
• When removing a module, place it on an antistatic surface or in a static-shielding bag. If the module
will be returned to the factory, immediately place it in a static-shielding bag.
• Avoid contact between the modules and clothing. The wrist strap protects the card from ESD
voltages on the body only; ESD voltages on clothing can still cause damage.
Caution For safety, periodically check the resistance value of the antistatic strap. The measurement should be
between 1 and 10 megohms.

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Removing and Replacing an AC PEM
Removing and Replacing an AC PEM
This section contains information on removing and replacing AC PEM modules in the Cisco uBR10012
chassis.
Tip The AC PEM is operating correctly when its Power LED is on (green). When the Fault LED is on
(yellow), the AC PEM is receiving AC-input power but is not providing power to the system. Verify that
the AC PEM is fully inserted into the power bay and that its captive screws have been tightened. Then
flip the power switch on the AC PEM to the standby position, wait several seconds, and then back to the
ON position. If the Fault LED does not go off and the Power LED does not come on, replace the AC
PEM.
Tools and Parts Required
To remove and replace an individual power module, you need the following tools and parts:
• Replacement AC PEM (UBR10-PWR-AC=)
• ESD-preventive wrist strap
• Flat-head screwdriver
Unpacking and Preparing the AC PEM
To unpack the AC PEM, complete the following steps:
Step 1 Open the shipping carton by cutting the packing tape along the flaps on the top of the box.
Step 2 Remove the PEM from the packaging and place it on an anti-static surface.
Step 3 Keep the packaging and the carton so that you can use them to return the old unit being replaced to the
factory. See the “Obtaining Documentation and Submitting a Service Request” section on page 26 for
more information.
Verifying That the DC Power Connectors Are Not Connected
Each of two power bays in the Cisco uBR10012 chassis is above a DC terminal block that is used to
provide power only when you are using the DC PEM modules. Do not use these DC terminal blocks
when you are using the AC PEMs.
If you have previously used this Cisco uBR10012 router with DC PEMs, first verify that these DC
terminal blocks are not currently connected before proceeding with the installation or replacement of the
AC PEMs. Figure 4 shows the location of the two DC terminal blocks and how to recognize the wires
that might be connected to the blocks.

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Removing and Replacing an AC PEM
Figure 4 Location of DC Power Connectors and DC Power Cables
Note For more information on these DC terminal blocks, see either the Cisco uBR10012 Universal Broadband
Router Hardware Installation Guide or the DC Power Entry Module for the Cisco uBR10012 Universal
Broadband Router document, which are available on Cisco.com or the Customer Documentation
CD-ROM.
Replacing a Redundant AC PEM
Follow this procedure to replace a redundant AC PEM, which is typically needed when the Fault LED
is on and the troubleshooting steps in the “Troubleshooting the PEM” section on page 25 do not correct
the problem.
56466
ALARMS
CISCO
10000
FAIL
PERFORMANCE ROUTING ENGINE
CONSOLE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ETHERNET
LINK
ACTIVITY
AUX
SLOT0
SLOT1
ALARMS
CISCO
10000
FAIL
PERFORMANCE ROUTING ENGINE
CONSOLE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ETHERNET
LINK
ACTIVITY
AUX
SLOT0
SLOT1
RTN (+)
–48/–60
V

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Removing and Replacing an AC PEM
Tip If you want to replace both AC PEMs without shutting down the router, repeat this procedure for each
AC PEM, one at a time. Do not use this procedure if both AC PEMs have failed; instead, use the
procedure in the “Replacing Both AC PEMs” section on page 19.
Step 1 Remove the front cover by lifting it up slightly and then pulling it toward you.
Step 2 Turn off the AC PEM you are replacing by pushing down the power switch to the standby position
(Figure 5).
Figure 5 Turning an AC PEM Off
Caution Do not power off both AC PEMs, or the system shuts down and all data traffic stops. Power off only the
AC PEM you are replacing.
Step 3 Unplug the AC-input power cable from the power plug on the front panel of the AC PEM. For safety,
also unplug the other end of the power cable from the AC-input power source.
Tips For true redundant power protection, ensure that you are using a separate AC-input power source for
each AC PEM.
Step 4 Use the screwdriver to loosen the captive screws on the AC PEM you are removing. Then pull the PEM
from the chassis by using the handle on the faceplate (Figure 6 on page 16). Set the AC PEM aside.
77142
ALARMS
FAIL
PERFORMANCE ROUTING ENGINE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ALARMS
FAIL
PERFORMANCE ROUTING ENGINE
STATUS
ACO
CRITICAL
MINOR
MAJOR
AC
SWITCH
ACINPUT
200-240V
13A 50/60Hz
AC
SWITCH
ACINPUT
200-240V
13A 50/60Hz
ACINPUT
200-240V
13A 50/60Hz
AC
SWITCH

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Removing and Replacing an AC PEM
Figure 6 Removing the AC PEM
Step 5 Verify that the power switch on the replacement AC PEM is in the standby position (Figure 5 on
page 15).
Step 6 Position the replacement AC PEM in the power bay and push it forward, verifying that it goes all the
way in and makes a secure connection with the backplane.
Step 7 Use the screwdriver to tighten the captive screws to secure the unit to the chassis (Figure 7 on page 17).
62523
POWER
FAULT
ALARMS
CISCO
10000
FAIL
PERFORMANCE ROUTING ENGINE
CONSOLE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ETHERNET
LINK
ACTIVITY
AUX
SLOT0
SLOT1
ALARMS
CISCO
10000
FAIL
PERFORMANCE ROUTING ENGINE
CONSOLE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ETHERNET
LINK
ACTIVITY
AUX
SLOT0
SLOT1
POWER
FAULT

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Removing and Replacing an AC PEM
Figure 7 Installing the AC PEM
Step 8 Plug the AC-input power cable into the power receptacle on the front panel of the AC PEM.
Step 9 Route the power cable up the front of the AC PEM and clip it into the two plastic retaining clips attached
to the surface of the PEM. Route the power cable out through the right side, so that it will fit through the
notch on the right side of the front bezel cover. (Figure 8)
62524
POWER
FAULT
ALARMS
CISCO
10000
FAIL
PERFORMANCE ROUTING ENGINE
CONSOLE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ETHERNET
LINK
ACTIVITY
AUX
SLOT0
SLOT1
ALARMS
CISCO
10000
FAIL
PERFORMANCE ROUTING ENGINE
CONSOLE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ETHERNET
LINK
ACTIVITY
AUX
SLOT0
SLOT1
POWER
FAULT

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Removing and Replacing an AC PEM
Figure 8 Routing the AC Power Cables
Step 10 Plug the other end of the AC-input power cable into a 200–240 VAC power outlet. For fully redundant
operation, each AC PEM should use separate power sources, or you should be using an uninterruptible
power supply (UPS).
The Fault LED on the AC PEM should be yellow to indicate that the AC PEM is receiving power from
the power source but is not yet supplying power to the Cisco uBR10012 chassis.
Step 11 Push up the power switch on the replacement AC PEM to the ON (|) position (Figure 9 on page 19).
ALARMS
CISCO
10000
FAIL
PERFORMANCE ROUTING ENGINE
CONSOLE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ETHERNET
LINK
ACTIVITY
AUX
SLOT0
SLOT1
ALARMS
CISCO
10000
FAIL
PERFORMANCE ROUTING ENGINE
CONSOLE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ETHERNET
LINK
ACTIVITY
AUX
SLOT0
SLOT1
77143
POWER
FAULT
POWER
FAULT

19
AC Power Entry Module for the Cisco uBR10012 Universal Broadband Router
OL-24536-01
Removing and Replacing an AC PEM
Figure 9 Setting AC Power Switch to the ON Position
Step 12 When you turn on the power switch on the AC PEM, the Fault LED should go off and the Power LED
should come on (green).
Step 13 Slide the front bezel cover onto the four corner posts of the chassis and then push down, so that the posts
are seated in the grooves above the cover holes. The AC power cables should be routed through the notch
on the right side of the cover.
Replacing Both AC PEMs
Use the following procedure to replace or reinstall both AC PEMs. This procedure is typically needed
only when you need to move the chassis or reinstall it in another location.
Tip This procedure is rarely needed for normal operations because it requires that you shut down the
Cisco uBR10012 router and remove all power to the system. To avoid this, Cisco recommends replacing
each AC PEM, one at a time, by following the instructions in the “Replacing a Redundant AC PEM”
section on page 14.
Step 1 Remove the front cover.
Step 2 Shut down the system using the following procedure:
a. Notify appropriate personnel that you plan to shut down the system and that the shutdown will result
in total loss of service. Appropriate personnel includes the regional alarm or network monitoring
center, central office personnel, and key customers.
b. Before you shut down the router, use the copy command to save any configuration changes to
NVRAM and, if you wish, to a PCMCIA Flash memory card. See the Cisco uBR10012 Universal
Broadband Router Software Configuration Guide for instructions about using the copy command.
c. Turn the power switch on each AC PEM to the standby position (Figure 10).
62671
ALARMS
FAIL
PERFORMANCE ROUTING ENGINE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ALARMS
FAIL
PERFORMANCE ROUTING ENGINE
STATUS
ACO
CRITICAL
MINOR
MAJOR
AC
SWITCH
ACINPUT
200-240V
13A 50/60Hz
AC
SWITCH
ACINPUT
200-240V
13A 50/60Hz
AC
SWITCH
ACINPUT
200-240V
13A 50/60Hz

20
AC Power Entry Module for the Cisco uBR10012 Universal Broadband Router
OL-24536-01
Removing and Replacing an AC PEM
Figure 10 Turning the AC PEM Off
Step 3 Unplug the AC-input power cable from the power plug on the front panel of each AC PEM. For safety,
also unplug the other end of the power cable from each AC-input power source.
Tips For true redundant power protection, ensure that you are using a separate AC-input power source for
each AC PEM.
Step 4 Use the screwdriver to loosen the captive screws on each AC PEM. Then pull each AC PEM from the
chassis by using the handle on the faceplate (Figure 11 on page 21). Set the two AC PEMs aside.
77142
ALARMS
FAIL
PERFORMANCE ROUTING ENGINE
STATUS
ACO
CRITICAL
MINOR
MAJOR
ALARMS
FAIL
PERFORMANCE ROUTING ENGINE
STATUS
ACO
CRITICAL
MINOR
MAJOR
AC
SWITCH
ACINPUT
200-240V
13A 50/60Hz
AC
SWITCH
ACINPUT
200-240V
13A 50/60Hz
ACINPUT
200-240V
13A 50/60Hz
AC
SWITCH