ATX QFQR 200A-04 Series User manual

QFQR 200A-04 Series Return Path Optical Receiver
Installation & Operation Manual
Q-SERIES
®
Optical

Q-Series®is a registered trademark of ATX in the United States and/or other countries. Products or features contained herein may be covered by one or more U.S. or foreign
patents. Other non-ATX product and company names in this manual are the property of their respective companies.
Although every effort has been taken to ensure the accuracy of this document it may be necessary, without notice, to make amendments or correct omissions.
Specications subject to change without notice.

Q-Series®Optical – QFQR 200A-04 Series Return Path Optical Receiver – Installation & Operation Manual i
TABLE OF CONTENTS
Page
1. PREFACE .................................................................................................................................................. 1-1
2. DESCRIPTION........................................................................................................................................... 2-1
2.1. Functional Diagram ........................................................................................................................... 2-1
3. FEATURES ................................................................................................................................................ 3-1
4. SPECIFICATIONS ..................................................................................................................................... 4-1
5. FUNCTION GUIDE .................................................................................................................................... 5-1
5.1. Front Panel Guide ............................................................................................................................. 5-1
6. INSTALLATION & ADJUSTMENT ............................................................................................................ 6-1
6.1. Supplies & Tools ................................................................................................................................ 6-1
6.2. Installation ......................................................................................................................................... 6-1
7. CLEANING & MAINTENANCE ................................................................................................................. 7-1
8. SERVICE & SUPPORT.............................................................................................................................. 8-1
8.1. Contact ATX Networks....................................................................................................................... 8-1
8.2. Warranty Information ......................................................................................................................... 8-1

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Q-Series®Optical – QFQR 200A-04 Series Return Path Optical Receiver – Installation & Operation Manual 1-1
CHAPTER 1: PREFACE
PREFACE
1. Preface
This manual describes the QFQR 200A-04 rack mount quad return path optical receiver features, specications, installation,
adjustment and maintenance procedures to install this receiver successfully and use it safely. Users must read the manual
carefully before installation, and perform the installation and adjustment according to this manual. Otherwise, some practices
or circumstances may lead to damage or personal injury. Please contact ATX Networks Technical Support if you should have
any questions.
Important User Information
• Caution: Invisible laser radiation is emitted from ber optic connectors which connect to this unit, exposure can
cause permanent injury to skin or eyes.
• Make sure the case and the power supply are grounded well before powering on the receiver (grounding resistance
should be less than 4Ω) so as to prevent static from damaging the photodiode and injuring user.

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CHAPTER 1: PREFACE
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CHAPTER 2: DESCRIPTIONCHAPTER 1: PREFACE
DESCRIPTION
2. Description
The QFQR 200A-04 rack mount quad return path receiver is designed for the reception of optically transmitted CATV signals.
The product utilizes high performance photodiodes and hybrid ampliers. Optical power indicators and RF test ports on the
front panel can be easily used to monitor the receiver’s operating status.
2.1. Functional Diagram
QFQR 200A-04
PRE
AMP
POST
AMP
OPTICAL
RANGE
Photo
Diode
OPTICAL
IN 1
Bandpass
Filter Attenuator RF
OUTPUT 1
-20 dB T.P.
Photo
Diode
Bandpass
Filter Attenuator RF
OUTPUT 2
-20 dB T.P.
OPTICAL
IN 2
Photo
Diode
Bandpass
Filter Attenuator RF
OUTPUT 4
-20 dB T.P.
OPTICAL
IN 4
Photo
Diode
Bandpass
Filter Attenuator RF
OUTPUT 3
-20 dB T.P.
OPTICAL
IN 3
0
dBm
-12
dBm
0
dBm
-12
dBm
0
dBm
-12
dBm
0
dBm
-12
dBm

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Q-Series®Optical – QFQR 200A-04 Series Return Path Optical Receiver – Installation & Operation Manual 3-1
CHAPTER 2: DESCRIPTION CHAPTER 3: FEATURES
FEATURES
3. Features
• 1550 nm / 1310 nm dual wavelength
• 4 independent return path receivers in one 19” 1RU standard rack
• Low noise, high linearity photodiode
• 5-200 MHz RF bandwidth
• Two bandpass lters to depress upstream noise
• Output adjustment and -20 dB RF test points available on front panel

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CHAPTER 3: FEATURES
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