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Quick Reference Guide

QPSK D9494 Demodulator

QPSK D9494 Demodulator Front Panel

Use the following diagram to assist you with the installation of the demodulator.

QPSK D9494 Demodulator Back Panels

Use the following diagrams to assist you with the installation of the demodulator, as well as the location of the connection ports.

ALARM

BURST DATA

MAC SYNC

TEST

OPTIONS

FREQ

STATUS

ENTER

QPSK Demodulator Model D9494-1

T13607

ALARM

BURST DATA

MAC SYNC

TEST

OPTIONS

FREQ

STATUS

ENTER

QPSK Demodulator Model D9494-1

T13608

QPSK D9494 Demodulator (48 VDC Model)

QPSK D9494 Demodulator (100-240 VAC Model)

POWER       120/130V   60/50Hz 2.5A 

RF OUT 1

RF OUT 2

RF OUT 3

RF OUT 4

ASI IN 1

ASI IN 2

ASI IN 3

ASI IN 4

DA

TA

 1

CRAFT

PORT

GND

10/100 BASE T

LINK     ACTIVE

GIGABIT

ETHERNET

LINK

ACT

LINK

ACT

DA

TA

 2

DA

TA

 3

DA

TA

 4

T4H, 250V

T

-A

-V

BACKUP

MAIN

T2H, 250V

A

FUSE

B

+

+

-

-

RF INPUT

GND

DIAGNOSTICS

NETWORK

DATA

FUSE

FUSE

FUSE

MAJOR          MINOR

NC

C

NO

NC

C

NO

POWER  -  48 VDC  24W

FAN

T

-A -V

T2H, 250V

29F9

PROFESSIONAL

VIDEO EQUIPMENT

RF INPUT

GND

DIAGNOSTICS

NETWORK

DATA

MAJOR          MINOR

NC

C

NO

NC

C

NO

100-240V  ~    60/50Hz     0.5A

POWER

FAN

T

-A -V

T2H, 250V

29F9

PROFESSIONAL

VIDEO EQUIPMENT

Introduction

This quick reference guide is intended for individuals who are responsible 
for installing the QPSK D9494 Demodulator into a rack unit.
For more detailed descriptions of the installation process and safety 
information for this demodulator, refer to the 

Model D9494 DAVIC QPSK 

Demodulator Installation and Operation Guide

 (part number 4022032).

Warning and Caution Icons

 WARNING: Avoid personal injury and product damage! Do 

not proceed beyond any icon until you fully understand the 
indicated conditions.

The following icons alert you to important information about the safe 
operation of this product.
 You 

will 

fi

 nd this icon in the literature that accompanies this product. 

This icon indicates important operating or maintenance 
instructions.

 You 

may 

fi

 nd this icon af

fi

 xed to this product and in this document 

to alert you of electrical safety hazards. On this product, this icon 
indicates a live terminal; the arrowhead points to the terminal 
device.

  

You may 

fi

 nd this icon af

fi

 xed to this product. This icon indicates a 

protective earth terminal.

 You 

may 

fi

 nd this icon af

fi

 xed to this product. This icon indicates 

excessive or dangerous heat.

 You 

may 

fi

 nd this symbol af

fi

 xed to this product and in this document. 

This symbol indicates an infrared laser that transmits intensity-
modulated light and emits invisible laser radiation and an LED that 
transmits intensity-modulated light. 

Controlling the Operating Temperature

 CAUTION: The operating temperature for this equipment is 

32 to 122°F (0 to 50°C). Avoid damage to this product! Your warranty 
is void if you operate this product above or below the maximum 
speci

fi

 ed operating temperatures.

Measuring the Inlet Air Temperature

If you are concerned about inlet air temperature at the air inlet of any 
demodulator, you can measure the inlet air temperature in the rack. When 
measuring the temperature, ensure that all cabling is complete and that 
all adjacent QPSK demodulators are installed and running.

Important:

 Opening the door on the back panel of the rack may have an 

adverse effect on the managed air

fl

 ow. If access to the door is not controlled, 

measure the inlet air temperature with the back panel door open because 
this typically redirects the air

fl

 ow in an adverse manner.

Cisco Systems, Inc.                                                                                                                                                   678 277-1120

5030 Sugarloaf Parkway, Box 465447 
Lawrenceville, GA 30042 

                                                                

www.

FLVFR

com

Cisco

 and the Cisco logo 

are registered trademarks or trademarks of 

Cisco and/or its aff liates in the U.S. and certain other

c

ountries.

  To view a list of Cisco trademarks, go to this URL: www.cisco.com/go/trademarks 

Third party t

rademarks mentio

ned 

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)

Product and service availability subject to change without notice.

© 2008

,2012

 Cisco Systems, Inc. All rights reserved. 

Printed in United States of America

Septe

m

b

er 2012

Part Number 

78-

4022033

-01

 Rev 

B

FINAL

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