ATX QFQR 200A-04 Series, Руководство по установке и эксплуатации

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Q-Series
®
Optical – QFQR 200A-04 Series Return Path Optical Receiver – Installation & Operation Manual 2-1
CHAPTER 2: DESCRIPTION CHAPTER 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 amplifiers. 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