Motorola
SG 2000
operation manual
Mgbi
Specification
Install
Signal flow diagram
Alarm test point
Strand Wire Mounting
Configuration
Options and Accessories
Snap connector
Cleaning the Optical Connector
Power Supply
Page 105
481740-001
12/01
MGBI
Page 104
Page 105
Image 105
Page 104
Page 105
Contents
A R L I N E
Special Symbols that Might Appear on the Equipment
Contents
E r a t i o n
Installation
Torque Specifications Abbreviations and Acronyms
Specification s
SG2-LR
Tables
N t e n t s
SG 2000 closed
Section
SG 2000 open
Features include
Related Documentation
Using this Manual
Document Conventions
If You Need Help
Bold type
Calling for Repairs
Housing
SG 2000 housing dimensions front and side view
Mounting Holes
Port locations
Port Locations
Gaskets
Housing gaskets
SG2-PS2 power supply
Power Supply
Network Monitoring
Configuration
To suit system requirements the RF chassis cover. notation
Forward Path
Signal flow diagram
E r v i e w
SG2-LR Receiver
SG2-LR receiver functional diagram
Analog Return Transmitters
Analog Return Path
Model Description
Analog return transmitters
JXP
SG2 transmitter block diagram
Digital return transmitters
Digital Return Path
DS-SG2-DRT-2X/A
Options and accessories
Options and Accessories
Level Control
Model Description Function
SG2-PS2
SG2-SB
SG2
SG2-FE
Optical input versus 750 MHz gain
Gain Selection
Optical input versus 870 MHz gain
10 illustrates the gain option selection chart for 870 MHz
Relative level dB versus 750 MHz slope 77 channels
Tilt Selection
Relative level dB versus 870 MHz slope 94 channels
SG2 870 MHz Slope Chart Analog Channels, 220 MHz Digital
Relative level dB versus 870 MHz slope 110 channels
SG2 870 MHz Slope Chart Analog Channels, 120 MHz Digital
N c h S e t u p
G u r e 3 2 0 0 0 R F c h a s s i s
W e r i n g t h e N o d e
Fuse Functi o n Rati ng Ype
W e r S u p p l y S e t t i n g s
Illustrates the location of the LO-HIjumper
Single Power Supply or Commonly Po wered Redundant Supplies
I c k C h e c k s F u n c t i o n a l T e s t i n g
N u a l G a i n C o n t r o l
Analog Retu rn Path
R w a r d P a t h P a d d i n g
B l e 3 2 0 0 0 p a d c h a r t s t a n d a r d g a i n
B l e 3 2 0 0 0 p a d c h a r t h i g h g a i n
G u r e 3
N k P e r f o r m a n c e
G u r e 3 1
N c h S e t u p
Install i n g t h e D S S G 2 D R R B B o a r d O p t i o n
G u r e 3 1 S G 2 D R R B b o a r d Install e d
G u r e 3 1 C a t i o n o f J X P s o n E p a c k
Digital Transmitter
Install i n g t h e S t a t u s M o n i t o r O p t i o n
2 0 0 0 a c t i v a t i o n W o r k s h e e t
DC powering
Splicing Fiber
Service cable connection and compression fitting
Installation
Mounting bracket-front view
Strand Wire Mounting
Mounting bracket-rear and side views
Coaxial Cables
Fiber Cables
Center conductor length
Housing lid and fiber spool tray Fiber spool tray
Installation
Single Receiver Mode
Forward Path RF Configuration
Broadband/Narrowcast Mode
Redundant Receiver Mode
Redundant receiver
Broadband/narrowcast
Override
AB Override Functionality
Status monitor/MCB operation
Status Monitor/Manual Control Operation
Analog Return Path RF Configuration
Redundant return
Split return
RF chassis and location of the SG2-RPM/C or SG2-RPM/S board
DS-SG2-DRT/A redundant return
Digital Return Path RF Configuration
DS-SG2-DRT-2X/A redundant return
DS-SG2-DRT-2X/A split return
Installing SG 2000 Optical Modules
SG 2000 Optical Modules
Removing SG 2000 Optical Modules
SG2 LR Optical Receiver
Cleaning the Optical Connector
Feature Description
0.3
Test-point voltage versus optical power
Wavelength selection jumper
Wavelength Selection Jumper
FeatureDescription
SG2-IFPT features
SG2 Ifpt Optical Transmitter
Transmitter enable
SG2-FPT features
SG2 FPT Optical Transmitter
SG2 Dfbt Optical Transmitter
SG2-DFBT features
Single red LED that lights if the hybrid current is outside
SG2 DFBT/3 Optical Transmitter
SG2-DFBT/3 features
SG2 Eifpt Optical Transmitter
SG2-EIFPT features
DS-SG2-DRT/A
DS SG2 DRT/A Digital Return Transmitter
DS-SG2-DRT/A features
Feature
DS-SG2-DRT-2X/A
DS SG2 DRT 2X/A Digital Return Transmitter
DS-SG2-DRT-2X/A features
DS-SG2-DRT-2X/A installed in SG
DS-SG2-DRT-2X/A cable connector
SG2-PS Power Supply
SG2-PS power supply
DS-SG2-DRT-2X/A second RF input cable connection
Parameter Description
Status Monitoring
Description Function
Manual Control Board
DB test point
Alarm test point
Potentiometers ICS1
Through ICS4
Ingress Control
State Description
Off
Table A-1 SG 2000 optical characteristics
Parameter Specification
Table A-2 Station RF characteristics
Appendix a
ParameterSpeci fic ation
Table A-5 SG2-IFPT RF specifications
Table A-6 SG2-FPT RF specifications
Parameter
Table A-8 SG2-DFBT/3 RF specifications
Table A-7 SG2-DFBT RF specifications
Table A-10 SG2-DRT/A RF specifications
Table A-9 SG2-EIFPT RF specifications
Table A-11 SG2-DRT-2X/A RF specifications
Minimum Optical Model Output Power DBm
Option Watts ac Amps Power @90V @60V @52V @44V
Table A-14 SG2-75 performance, with 77 channels
Channels Link Launch System
Table A-15 SG2-87 performance, with 94 channels
Table A-16 SG2-87 performance, with 110 channels
Torque Fastener Screw Size Wrench Size In-lbs Ft-lbs
DBm
DBc
DBmV
MHz
Snap connector
Return for service authorization
National Television Standards Committee
Optical modulation index
Mgbi
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