Table of Contents
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RCS20 M:N Redundancy Switch
Table of Contents
2.5
Connecting the RCS20 ......................................................................................................................... 2-5
2.6
System Cabling Configuration ............................................................................................................. 2-6
2.7
Modem Checkout and Initial Power-Up ............................................................................................... 2-6
2.8
Storage ............................................................................................................................................... 2-6
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 ............................................................................................................................................... 3-1
3.2.3
Controller Interface Module .................................................................................................................... 3-1
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 .................................................................................................................................... 3-3
3.5
RCS20 Channel Definitions .................................................................................................................. 3-4
CHAPTER 4. USER INTERFACES ................................................................................................. 4-1
4.1
Operating Procedures ......................................................................................................................... 4-1
4.2
Front Panel Interface .......................................................................................................................... 4-1
4.2.1
Modem Control Keys ................................................................................................................................ 4-2
4.2.2
LCD Front Panel Display ........................................................................................................................... 4-3
4.2.3
Reset Alarms Key ...................................................................................................................................... 4-3
4.2.4
Module Select Key .................................................................................................................................... 4-3
4.2.5
Switch Status LEDs ................................................................................................................................... 4-4
4.2.6
Numeric Keypad ....................................................................................................................................... 4-4
4.2.7
Soft Keys (S1 - S4) ..................................................................................................................................... 4-4
4.2.8
Switch Control Keys .................................................................................................................................. 4-5
4.2.9
Basic Front Panel Controls ....................................................................................................................... 4-5
4.3
Front Panel Screens ............................................................................................................................ 4-7
4.3.1
CONFIG SWITCH Menu Tree .................................................................................................................... 4-7
4.3.2
CONFIG SYSTEM Menu Tree................................................................................................................... 4-42
4.3.3
MONITOR/ALARMS Menu Tree ............................................................................................................. 4-87
4.3.4
TEST Menu Tree ..................................................................................................................................... 4-98
Table of Contents - ii
Revision 15
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