GRB-200 Demodulator (GOES-R) OI&M
GRB-200 Demodulator (GOES-R) OI&M
© Copyright 2015, Quorum Communications, Inc.
TABLE OF CONTENTS
SECTION 1 INTRODUCTION .................................................................................... 7
SECTION 2 INSTALLATION ................................................................................... 11
2.1 DESKTOP USE ............................................................................................................... 11
2.2 RACK USE ...................................................................................................................... 12
2.3 CONNECTIONS ............................................................................................................. 13
2.3.1 Integrated Power Input Module ................................................................................ 14
2.3.2 J01 Feed Control ....................................................................................................... 15
2.3.3 J02 RS 232 ................................................................................................................ 16
2.3.4 SD Card Slot ............................................................................................................. 16
2.3.5 J03 GB Ethernet ........................................................................................................ 17
2.3.6 IF Inputs .................................................................................................................... 18
2.3.7 General Information .................................................................................................. 19
SECTION 3 OPERATING INSTRUCTIONS .......................................................... 21
3.1 CONTROLS AND INDICATORS ................................................................................ 21
3.1.1 Status LED’s ............................................................................................................. 21
3.1.2 Push Button Switches ............................................................................................... 22
3.1.3 LCD Display ............................................................................................................. 23
3.2 CONFIGURING THE DEMODULATOR .................................................................. 24
3.2.1 Default Configuration ............................................................................................... 24
3.2.2 Using Setup to Configure the Demodulator.............................................................. 25
3.3 NORMAL AND DIAGNOSTIC DISPLAY MODES .................................................. 30
3.3.1 Diagnostic and Status Displays ................................................................................. 31
3.4 RECEIVING GRB DATA ............................................................................................. 37
3.5 READING THE SYSTEM STATUS DATA ................................................................ 38
3.5.1 Status Message .......................................................................................................... 38
SECTION 4 THEORY OF OPERATION ................................................................. 43
4.1 RF FRONT END ............................................................................................................. 44
4.2 DEMODULATOR SUB-SYSTEM................................................................................ 45
4.3 DATA INTERFACE SUB-SYSTEM ............................................................................ 46
4.4 DATA PROCESSING SUB-SYSTEM .......................................................................... 47
4.5 CONTROLLER SUB-SYSTEM ................................................................................... 48
SECTION 5 MAINTENANCE ................................................................................... 49
5.1 FUSE REPLACEMENT ................................................................................................ 49
5.1.1 Removing the Fuse Holder ....................................................................................... 50
5.2 PROBLEM RESOLUTION ........................................................................................... 51