Motorola Starline SG 2000 - Page 4

ii Contents
SG 2000 Installation and Operation Manual
Quick Checks - Functional Testing .................................................................................................................3-8
Forward Path .........................................................................................................................................3-8
Manual Gain Control .......................................................................................................................3-9
Thermal Control, Model TCU ...........................................................................................................3-9
Automatic Level Control, Model ADU................................................................................................3-9
Analog Return Path ..............................................................................................................................3-10
Digital Return Path...............................................................................................................................3-10
Forward Path Padding .................................................................................................................................3-11
Launch Amplifier Output Stage Padding........................................................................................................3-14
Link Performance ........................................................................................................................................3-15
Installing the DS-SG2-DRRB Board Option...................................................................................................3-18
Installing the Status Monitor Option..............................................................................................................3-22
SG 2000 Activation Worksheet.....................................................................................................................3-23
Section 4
Installation
Splicing Fiber................................................................................................................................................4-1
Strand Wire Mounting....................................................................................................................................4-3
Coaxial Cables..............................................................................................................................................4-5
Fiber Cables .................................................................................................................................................4-5
Section 5
Operation
Forward Path RF Configuration......................................................................................................................5-1
Single Receiver Mode.............................................................................................................................5-1
Redundant Receiver Mode......................................................................................................................5-2
Broadband/Narrowcast Mode ..................................................................................................................5-2
AB Override Functionality.......................................................................................................................5-3
B Override ......................................................................................................................................5-3
A Override ......................................................................................................................................5-4
Status Monitor/Manual Control Operation .........................................................................................5-4
Analog Return Path RF Configuration.............................................................................................................5-5
Digital Return Path RF Configuration..............................................................................................................5-7
SG 2000 Optical Modules ..............................................................................................................................5-9
Installing SG 2000 Optical Modules.........................................................................................................5-9
Removing SG 2000 Optical Modules .......................................................................................................5-9
Cleaning the Optical Connector.............................................................................................................5-10
SG2-LR Optical Receiver.............................................................................................................................5-10
Wavelength Selection Jumper......................................................................................................................5-13
SG2-IFPT Optical Transmitter ......................................................................................................................5-14
SG2-FPT Optical Transmitter .......................................................................................................................5-15
SG2-DFBT Optical Transmitter.....................................................................................................................5-16