Table of Contents
Advertisement
RCS20 M:N Redundancy Switch
Table of Contents
1.3.2.2
DDS20-ASI-M or DDS20-G703-M (Modulator-only) ........................................................................ 1 -5
1.3.2.3
DDS20-ASI or DDS20-G.703-D (Demodulator-only) ........................................................................ 1 -6
1.3.2.4
DDS20-GigE (10/100/1000 Gigabit Ethernet) Backup Switch . ......................................................... 1 -7
1.3.3
Intermediate Frequency Switch (IFS20) Configurations . .......................................................................... 1 -8
1.3.3.1
70/140 IFS20 . ................................................................................................................................... 1 -8
1.3.3.2
L-Band IFS20 (Transmit Only) .......................................................................................................... 1 -9
1.3.3.3
CHAPTER 2.
INSTALLATION ....................................................................................................... 2 -1
2.1
Overview ............................................................................................................................................ 2 -1
2.2
Unpacking the Unit ............................................................................................................................. 2 -2
2.2.1
Test Data Sheet ........................................................................................................................................ 2 -2
2.3
Removal and Assembly ....................................................................................................................... 2 -3
2.4
Mounting Considerations . ................................................................................................................... 2 -3
2.5
Storage . .............................................................................................................................................. 2 -4
2.6
Connecting the RCS20 ......................................................................................................................... 2 -4
2.7
System Cabling Configuration ............................................................................................................. 2 -4
2.8
Modem Checkout and Initial Power-Up . .............................................................................................. 2 -4
CHAPTER 3.
THEORY OF OPERATION ..................................................................................... 3 -1
3.1
Overview ............................................................................................................................................ 3 -1
3.2
RCU20 Major Assemblies .................................................................................................................... 3 -1
3.2.1
Central Processing Unit (CPU) Board ....................................................................................................... 3 -1
3.2.2
Front Panel ............................................................................................................................................... 3 -2
3.2.3
Controller Interface Module .................................................................................................................... 3 -2
3.2.4
Clock Distribution Module (Optional) ...................................................................................................... 3 -2
3.2.5
Redundant Power Supplies ...................................................................................................................... 3 -2
3.2.6
Ethernet Module (Optional) . .................................................................................................................... 3 -2
3.2.7
Bank Control Module ............................................................................................................................... 3 -2
3.2.8
RCU20 Back Panel .................................................................................................................................... 3 -2
3.3
IFS20 Major Assemblies ...................................................................................................................... 3 -2
3.3.1
IF Switch Relays ........................................................................................................................................ 3 -3
3.3.2
IFS20 Back Panel/Front Panel .................................................................................................................. 3 -3
3.4
DDS20 Major Assemblies .................................................................................................................... 3 -3
3.4.1
Motherboard . ........................................................................................................................................... 3 -3
3.4.2
Slide-In Data Switch Interface Modules ................................................................................................... 3 -3
3.4.3
Housing .................................................................................................................................................... 3 -3
3.4.4
DDS20 Back Panel .................................................................................................................................... 3 -4
3.5
RCS20 Channel Definitions .................................................................................................................. 3 -4
iv
Rev. 14
MN-RCS20
Advertisement
Table of Contents
