Notice to Installers
The servicing instructions in this notice are for use by qualified service personnel only. To reduce the risk of electric shock, do not perform any servicing other than that contained
in the operating instructions, unless you are qualified to do so.
Quick Reference Guide
Note to System Installer
For this apparatus, the coaxial cable shield/screen shall be
grounded as close as practical to the point of entry of the cable
into the building.For products sold in the US and Canada, this
reminder is provided to call the system installer's attention to
Article 820-93 and Article 820-100 of the NEC (or Canadian
Electrical Code Part 1), which provides guidelines for proper
grounding of the coaxial cable shield.
CAUTION: To reduce the risk of electric shock, do not remove cover (or back).
No user-serviceable parts inside. Refer servicing to qualified service personnel.
WARNING
Cisco Explorer 4540HDC and 4550HDC Set-Top
TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO
RAIN OR MOISTURE.
This symbol is intended to alert you that uninsulated voltage
within this product may have sufficient magnitude to cause
electric shock.Therefore, it is dangerous to make any kind of
contact with any inside part of this product.
with Multi-Stream CableCARD Interface
This symbol is intended to alert you of the presence of important operating
and maintenance (servicing) instructions in the literature accompanying this
product.
Ce symbole a pour but d’alerter toute personne qu’un contact
avec une pièce interne de ce produit, sous tension et non isolée,
pourrait être suffisant pour provoquer un choc électrique. Il est
donc dangereux d’être en contact avec toute pièce interne de
ce produit.
Ce symbole a pour but de vous avertir qu’une documentation importante
sur le fonctionnement et l’entretien accompagne ce produit.
Explorer 4550HDC
CH+
20070131 SysInstaller 820 US/Canada/Intl
VOL-
VOL+
POWER
SELECT
IMPORTANT SAFETY INSTRUCTIONS
Verify the Power Source from the On/Off Power Light
When the on/off power light is not illuminated, the apparatus may still be connected to the power source. The light goes
Read These Instructions
Keep These Instructions
Heed All Warnings
CH-
out when the apparatus is turned off, regardless of whether it is still plugged into an AC power source.
GUIDE
INFO
EXIT SETTINGS
Eliminate AC Mains Overloads
Follow All Instructions
WARNING: Avoid electric shock and fire hazard! Do not overload AC mains, outlets, extension
cords, or integral convenience receptacles. For products that require battery power or other power sources
to operate them, refer to the operating instructions for those products.
Power Source Warning
A label on this product indicates the correct power source for this product. Operate this product only from an electrical
outlet with the voltage and frequency indicated on the product label. If you are uncertain of the type of power supply to
your home or business, consult your service provider or your local power company.
Prevent Power Cord Damage
Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point
where the cord exits from the apparatus.
The AC inlet on the unit must remain accessible and operable at all times.
Ground the Product
Provide Ventilation and Select a Location
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Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
Do not place this apparatus on a bed, sofa, rug, or similar surface.
Do not place this apparatus on an unstable surface.
WARNING: Avoid electric shock and fire hazard! Do not defeat the safety purpose of the polarized
or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding-type plug
has two blades and a third grounding prong. The wide blade or the third prong is provided for your safety. If the
provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
Protect the Product when Moving It
Disclaimer
Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers)
that produce heat.
Always disconnect the power source when moving the apparatus or connecting or disconnecting cables.
Cisco Systems, Inc. assumes no responsibility for errors or omissions that may appear in this guide. We reserve the right
to change this guide at any time without notice.
If this product connects to coaxial cable wiring, be sure the cable system is grounded (earthed). Grounding provides some
protection against voltage surges and built-up static charges.
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Do not install this apparatus in an enclosure, such as a bookcase or rack, unless the installation provides proper
ventilation.
WARNING: Avoid personal injury and damage to this product! Use only with the cart, stand,
tripod, bracket, or table specified by the manufacturer or sold with the apparatus. When a cart
is used, use caution when moving the cart / apparatus combination to avoid injury from tip-over.
Do not place entertainment devices (such as VCRs or DVDs), lamps, books, vases with liquids, or other objects on
top of this product.
AVC VIDEO LICENSE
With respect to each AVC/MPEG-4/H.264 product, we are obligated to provide the following notice:
Outdoor Grounding System
If this product connects to an outdoor antenna or cable system, be sure the antenna or cable system is grounded (earthed).
This provides some protection against voltage surges and built-up static charges.
THIS PRODUCT IS LICENSED UNDER THE AVC PATENT PORTFOLIO LICENSE FOR THE PERSONAL AND NON-
COMMERCIAL USE OF A CONSUMER TO (i) ENCODE VIDEO IN COMPLIANCE WITH THE AVC STANDARD (“AVC
VIDEO”)AND/OR (ii) DECODEAVC VIDEO THAT WAS ENCODED BYACONSUMER ENGAGED INAPERSONALAND
NON-COMMERCIALACTIVITY AND/OR WAS OBTAINED FROM A VIDEO PROVIDER LICENSED TO PROVIDE AVC
VIDEO. NO LICENSE IS GRANTED OR SHALL BE IMPLIED FOR ANY OTHER USE. ADDITIONAL INFORMATION
MAY BE OBTAINED FROM MPEG LA, L.L.C. SEE HTTP://WWW.MPEGLA.COM.
Protect from Exposure to Moisture and Foreign Objects
Article 810 of the National Electric Code (NEC) ANSI/NFPA No. 70-1990, provides the following information:
Do not use this apparatus near water.
20070802 Set-Top Cable US & Canada
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Grounding of the mast and supporting structure
Grounding the lead-in wire to an antenna discharge unit
Size of the grounding conductors
United States FCC Compliance
This device has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against such interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency energy. If not installed and used
in accordance with the instructions, it may cause harmful interference to radio communications. However, there
is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment OFF and ON, the
user is encouraged to try to correct the interference by one or more of the following measures:
WARNING:Avoidelectricshockandfirehazard!Donotexposethisproducttoliquids, rain, ormoisture.
Accordingly, please be advised that service providers, content providers, and broadcasters are required to obtain a
separate use license from MPEG LA prior to any use of AVC/MPEG-4/H.264 encoders and/or decoders.
Location of the antenna-discharge unit
Connection to grounding electrodes
WARNING: Avoid electric shock and fire hazard! Unplug this product before cleaning. Clean only
with a dry cloth. Do not use a liquid cleaner or an aerosol cleaner. Do not use a magnetic/static cleaning
device (dust remover) to clean this product.
Requirements for the grounding electrodes (see the following antenna grounding diagram as recommended by NEC
ANSI/NFPA 70)
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Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
WARNING: Avoid electric shock and fire hazard! Do not locate an outside antenna system in the
vicinity of overhead power lines or power circuits. Touching power lines or circuits might be fatal.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the cable company or an experienced radio/television technician for help.
WARNING: Avoid electric shock and fire hazard! Never push objects through the openings in this
product. Foreign objects can cause electrical shorts that can result in electric shock or fire.
Any changes or modifications not expressly approved by Scientific-Atlanta, Inc., could void the user’s authority to
operate the equipment.
Accessories Warnings
The information shown in the FCC Declaration of Conformity paragraph below is a requirement of the FCC and is intended
to supply you with information regarding the FCC approval of this device. The phone numbers listed are for FCC-related
questions only and not intended for questions regarding the connection or operation for this device. Please contact your
cable service provider for any questions you may have regarding the operation or installation of this device.
WARNING: Avoid electric shock and fire hazard! Only use attachments/accessories specified by
your service provider or the manufacturer.
Declaration of Conformity
Service Warnings
This device complies with Part 15 of FCC Rules. Operation is subject to the following two conditions: 1) the device
may not cause harmful interference, and 2) the device must accept any interference received, including interference
that may cause undesired operation.
WARNING: Avoid electric shock! Do not open the cover of this product. Opening or removing
the cover may expose you to dangerous voltages. If you open the cover, your warranty will be void.
This product contains no user-serviceable parts. Refer all servicing to qualified service personnel.
Explorer 4540HDC and 4550HDC
Models: 4540HDC and 4550HDC
Manufactured by: Scientific-Atlanta, Inc.
5030 Sugarloaf Parkway
Lawrenceville, Georgia 30044 USA
Telephone: 770-236-1077
Scientific Atlanta, A Cisco Company
5030 Sugarloaf Parkway, Box 465447
Lawrenceville, GA 30042
770.236.5000
Servicing is required when the apparatus has been damaged in any way, such as a power-supply cord or plug is damaged,
liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture,
does not operate normally, or has been dropped.
Cisco, Cisco Systems, the Cisco logo, the Cisco Systems logo, Scientific Atlanta, and Explorer are registered trademarks or
trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries.
CableCARD and M-Card are trademarks of Cable Television Laboratories, Inc.
HDMI, the HDMI logo, and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC.
All other trademarks mentioned in this document are the property of their respective owners.
Product and service availability is subject to change without notice.
Check Product Safety
Protect the Product from Lightning
For added protection, unplug this apparatus during lightning storms or when unused for long periods of time. In addition
Canada EMI Regulation
Upon completion of any service or repairs to this product, the service technician must perform safety checks to determine
that this product is in proper operating condition.
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la class B est conforme à la norme NMB-003 du Canada.
to disconnecting the AC power from the wall outlet, disconnect the signal inputs.
© 2007, 2008 Cisco Systems, Inc. All rights reserved.
20060628 FCC Standard
March 2008
Printed in United States of America
Part Number 4012225 Rev B
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