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3

IMPORTANT SAFETY INSTRUCTIONS

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 continued

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. 

Provide Ventilation and Select a Location

•  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.

•  Do not install near any heat sources such as radiators, heat 

registers, stoves, or other apparatus (including amplifi ers) 
that produce heat.

•  Do not install this apparatus in an enclosure, such as a 

bookcase or rack, unless the installation provides proper 
ventilation.

•  Do not place entertainment devices (such as VCRs or 

DVDs), lamps, books, vases with liquids, or other objects 
on top of this product.

Operating Environment

This product is designed for operation indoors with a 
temperature range from 32° to 104° F (0° to 40°C). Each 
product should have adequate spacing on all sides so that 
the cooling air vents on the chassis are not blocked.

Protect from Exposure to Moisture and 
Foreign Objects

Do not use this apparatus near water.

 WARNING: Avoid electric shock and fire 

hazard! Do not expose this product to liquids, rain, 
or moisture.

 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.

 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 fi re. 

Accessories Warning

 WARNING: Avoid electric shock and fire 

hazard! Only use attachments/accessories specifi ed 
by your service provider or the manufacturer.

Service Warnings

 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 qualifi ed service personnel.

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. 

Check Product Safety

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.

Protect the Product when Moving It

Always disconnect the power source when moving the 
apparatus or connecting or disconnecting cables. 

  

WARNING: Avoid personal injury and 
damage to this product! Use only with 
the cart, stand, tripod, bracket, or 
table specifi ed 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.

20070802 Set-Top Cable US & Canada

Summary of Contents for Explorer 4250

Page 1: ...Explorer 4250 Home Gateway User Guide ...

Page 2: ... 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 This symbol is intended to alert you of the presence of important operating and maintenance servicing instructions in the lit...

Page 3: ...orer 4250 Home Gateway Serial Number 4 Front Panel 5 Back Panel 6 Connecting the 4250 7 Connections for a Standard Definition TV and VCR 8 Performance Tips 9 Automatic Software Updates 9 Frequently Asked Questions 9 Connection Diagrams 10 Compliance Information 13 ...

Page 4: ...ocation of the antenna discharge unit Connection to grounding electrodes Requirements for the grounding electrodes see the following antenna grounding diagram as recommended by NEC ANSI NFPA 70 Antenna Lead In Wire T15378 Ground Clamps Electric Service Equipment NEC National Electrical Code 1990 National Fire Protection Association TO CATV INSTALLER This reminder is provided to call the CATV syste...

Page 5: ...rosol cleaner Do not use a magnetic static cleaning device dust remover to clean this product 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 Accessories Warning WARNING Avoid electric shock and fire hazard Onlyuseattachments accessoriesspecified by your servic...

Page 6: ...50 For more information about this product visit our website http www cisco com web consumer support index html Explorer 4250 Home Gateway Serial Number If the 4250 requires troubleshooting in the future your cable service provider may ask for the serial number The serial number is on the back panel it begins with SA and is located in the lower left corner of the bar code Use the space provided he...

Page 7: ...trol 6 LED Display Displays the selected channel number and time of day The LED also displays the following Message Power 7 GUIDE Accesses on screen services such as the on screen guide video on demand or pay per view 8 INFO Displays a description of the selected program Available from the on screen guide and while viewing a program 9 EXIT Exits menus on screen guide and program information 10 SET...

Page 8: ...nition but higher quality than other SDTV connections 7 IR Port Connects to optional VCR Commander service May not be available on all 4250 models 8 USB Port Connects to external equipment such as a keyboard May not be available on all 4250 models 9 AC Outlet Connects the AC power cord from another device such as a TV 10 AC Power Input Connects the 4250 to an AC electrical outlet using the cord pr...

Page 9: ...cable service provider Connect the coaxial cable that carries the signal from your cable service provider to the CABLE IN connector on the back panel of the set top Connect your SDTV to the 4250 Refer to the Connection Diagrams section beginning on page 10 Plug the 4250 and the TV into an AC power source Important To protect the set top from power surge damage ground earth your cable product to pr...

Page 10: ...e VCR See page 11 for an example For VCRs that have Video and Left and Right audio connectors you can use the OUT 2 connectors Video Left and Right on the 4250 These connections generally provide a higher quality signal than the standard Cable Out connection See page 11 for an example Stereo VCR The Cable Out connection provides both a video and a stereo audio connection to an SDTV See page 10 for...

Page 11: ...at the volume is turned up Verify that the mute function is not engaged Check your secondary audio programming SAP settings Automatic Software Updates The TV screen may display a message that indicates the 4250 is automatically updating its software Should this occur wait for the time to appear on the front panel of your 4250 before continuing When the time appears the update is complete Frequentl...

Page 12: ...OLATIONOF THE FCC RULES PART 15 LISTED 14H1 CABLE EQUIP CABLE IN S VIDEO OUT CATV CONVERTER MADE IN MEXICO VIDEO OUT DIGITAL AUDIO OUT L R CABLE OUT T15622 TV RIGHT IN OUT LEFT AUDIO IN OUT CABLE ANTENNA VIDEO IN OUT USB 120 VAC 60HZ 400W 120 VAC 60HZ 40W Explorer 4250 IR THIS DEVICE IS INTENDED TO BE ATTACHED TO A RECEIVER THAT IS NOT USED TO RECEIVE OVER THE AIR BROADCAST SIGNALS CONNECTION OF T...

Page 13: ...OUT CATV CONVERTER MADE IN MEXICO VIDEO OUT DIGITAL AUDIO OUT L R CABLE OUT T15623 IN FROM ANT RIGHT IN OUT LEFT AUDIO IN OUT CABLE ANTENNA VIDEO IN OUT OUT TO TV USB 120 VAC 60HZ 400W 120 VAC 60HZ 40W Explorer 4250 Cable Input VCR TV Explorer 4250 IR THIS DEVICE IS INTENDED TO BE ATTACHED TO A RECEIVER THAT IS NOT USED TO RECEIVE OVER THE AIR BROADCAST SIGNALS CONNECTION OF THIS DEVICE IN ANY OTH...

Page 14: ...ONS AND IS IN VIOLATIONOF THE FCC RULES PART 15 LISTED 14H1 CABLE EQUIP CABLE IN S VIDEO OUT CATV CONVERTER MADE IN MEXICO VIDEO OUT DIGITAL AUDIO OUT L R CABLE OUT USB 120 VAC 60HZ 400W 120 VAC 60HZ 40W Explorer 4250 Home Theater Receiver VIDEO COMPONENT VIDEO 1 Y PB PR 2 Y PB PR Y PB PR L R AUDIO S VIDEO DIGITAL AUDIO TV CABLE 1 2 3 4 VIDEO L R AUDIO S VIDEO DVD S VIDEO VIDEO 1 S VIDEO OUT VIDEO...

Page 15: ...vice provider for any questions you may have regarding the operation or installation of this device Declaration of Conformity 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 Explorer 4250...

Page 16: ...ew a list of Cisco s trademarks go to this URL www cisco com go trademarks Rovi is a trademark of Rovi Corporation Other third party trademarks mentioned are the property of their respective owners The use of the word partner does not imply a partnership relationship between Cisco and any other company 1110R 2005 2007 2010 2012 Cisco Systems Inc All rights reserved October 2012 Printed in United S...

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