
RCS20 M:N Redundancy Switch Revision 15
Table of Contents MN-RCS20 and CD-RCS20
Table of Contents - iii
4.4 Remote Interface ............................................................................................................................ 4–108
4.4.1 Host Computer Remote Communications ........................................................................................... 4–108
4.5 Terminal Port Control ..................................................................................................................... 4–109
4.5.1 Terminal Interface ................................................................................................................................ 4–109
CHAPTER 5. ELECTRICAL INTERFACES ................................................................................... 5–1
5.1 Overview ............................................................................................................................................ 5–1
5.2 RCU20 Back Panel Connectors ............................................................................................................. 5–2
5.2.1 Slide-Out Redundant Power Supply/Switch Modules .............................................................................. 5–2
5.2.2 Chassis Ground ......................................................................................................................................... 5–2
5.2.3 Expansion Slots......................................................................................................................................... 5–3
5.3 DDS20 Universal Modem Data Switch ................................................................................................. 5–9
5.3.1 DDS20 – Universal Switch Front Panel Interface...................................................................................... 5–9
5.3.2 DDS20 – Universal Switch Back Panel Connectors ................................................................................. 5–20
5.4 DDS-20 GigE (10/100/1000 Ethernet) Backup Switch ......................................................................... 5–23
5.4.1 DDS-20 – GigE Switch Front Panel Connectors ...................................................................................... 5–23
5.4.2 DDS-20 – GigE Switch Back Panel Connectors ....................................................................................... 5–23
5.5 IFS20 Intermediate Frequency Switch Units ....................................................................................... 5–25
5.5.1 IFS20 70/140 MHz Unit .......................................................................................................................... 5–25
5.5.2 IFS20L L-Band Unit ................................................................................................................................. 5–30
CHAPTER 6. MAINTENANCE AND TROUBLESHOOTING .................................................... 6–1
6.1 Periodic Maintenance ......................................................................................................................... 6–1
6.2 Alarm Masks ....................................................................................................................................... 6–1
6.3 Active Major Alarms ........................................................................................................................... 6–2
6.4 Active Minor Alarms ........................................................................................................................... 6–3
CHAPTER 7. TECHNICAL SPECIFICATIONS ............................................................................ 7–1
7.1 General Specifications ........................................................................................................................ 7–1
7.2 IFS20 (70/140 MHz) ............................................................................................................................ 7–1
7.3 IFS20 (L-Band) ..................................................................................................................................... 7–2
7.4 Terrestrial Interfaces ........................................................................................................................... 7–2
7.5 Options .............................................................................................................................................. 7–3
7.6 Power and Environmental ................................................................................................................... 7–3
7.7 Physical Characteristics ....................................................................................................................... 7–3
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