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RCS20 M:N Redundancy Switch Revision 15
User Interfaces MN-RCS20 and CD-RCS20
4–4
4.2.5 Switch Status LEDs
Refer to Table 4-2 for the description and colors of the Switch Status LEDs. 4.2.1.6 MODEM ALARMS.
Table 4-2. Switch Status LED Function
LED Color Description
Normal Green Indicates that the unit is currently under power.
Major
Alarm
Red
Indicates that at least one satellite channel did not receive Redundancy protection and is
off-line.
Minor
Alarm
Yellow
Indicates that a Redundancy warning exists and the RCS20 may not be providing
Redundancy protection.
Minor
Alarm
Flashing
Yellow
Indicates a prime modem configuration. The configuration change should be taught.
Test
Mode
Yellow Indicates that the switch is performing one of the system tests.
Event Yellow
Indicates that a condition of system event as occurred that the RCS20 has stored in
memory. The events may be viewed from the Front Panel or from the Terminal port.
Event
Flashing
Yellow
Indicates a prime modem is currently being backed-up.
Remote Green
Indicates that the unit is set to respond from either the Terminal port or the Remote M&C
port
4.2.6 Numeric Keypad
This group of keys is used to perform various functions for the RCS20 and connected modems. Table 4-3
describes the function of these keys.
Table 4-3. Numeric Keypad Function
Key Description
ENTER Loads edited values into memory and advances to next screen in the menu tree.
CLEAR Aborts loading values into memory and advances to the previous screen in the menu tree.
Numeric keys 0-9 Used to edit numeric parameters.
4.2.7 Soft Keys (S1 - S4)
This group of keys is used for various functions as described by the label shown above each key on the
bottom line of the LCD Display.
- M:N Redundancy Switch 1
- Blank Page 4
- Table of Contents 5
- Table of Contents - ii 6
- Table of Contents - iii 7
- Table of Contents - iv 8
- FIGURES 9
- Table of Contents - vi 10
- PREFACE 11
- Preface - ii 12
- Electrical Safety 13
- Related Documents 13
- Comtech EF Data Headquarters 13
- Warranty Policy 14
- Limitations of Warranty 14
- Exclusive Remedies 14
- Chapter 1. Introduction 15
- 1.3.2.1 Universal DDS20 18
- 1.3.3.1 70/140 IFS20 22
- Chapter 2. Installation 25
- 2.2.1 Test Data Sheet 26
- 2.3 Removal and Assembly 26
- 2.4 Installation Planning 26
- 2.4.1 Rack Information 26
- 2.4.3 Electrical 28
- 2.4.3.1 Grounding 28
- 2.4.3.2 Battery 29
- 2.4.3.3 Fuses 29
- 2.5 Connecting the RCS20 29
- 2.8 Storage 30
- 3.1 Overview 31
- 3.2 RCU20 Major Assemblies 31
- 3.2.2 Front Panel 31
- Chapter 4. User Interfaces 35
- 4.2.1 Modem Control Keys 36
- 4.2.1.1 MODEM MOD CONFIG 36
- 4.2.1.2 MODEM DEMOD CONFIG 36
- 4.2.1.3 MODEM INTFC CONFIG 36
- 4.2.5 Switch Status LEDs 38
- 4.2.6 Numeric Keypad 38
- 4.2.7 Soft Keys (S1 - S4) 38
- 4.3 Front Panel Screens 41
- 4.3.1.2 MODEM ADDRESSES 42
- Key Label Function 48
- Numeric Keypad 48
- 4.3.1.19 MOD FAULT DELAY 58
- 4.3.1.20 DEMOD FAULT DELAY 59
- 4.3.1.21 DEMOD AQU DELAY 60
- 4.3.2.13 SET DATE 75
- 4.3.2.14 SET TIME 76
- 4.3.2.22 CnC SWITCHING 82
- 4.3.3.3 EVENTS 89
- 4.3.3.4 NEXT EVENTS SCREEN 90
- 4.3.4 TEST Menu Tree 93
- 4.3.4.1 SWITCH SYSTEM TESTS 93
- 4.3.4.4 LAMP TEST 96
- 4.3.4.6 REMOTE PORT TEST 97
- 4.4 Remote Interface 97
- 4.5 Terminal Port Control 98
- 4.5.1 Terminal Interface 98
- 5.1 Overview 101
- 5.2.2 Chassis Ground 102
- 5.2.3 Expansion Slots 103
- 5.2.3.2.1 J1 106
- 5.2.3.2.2 J2 106
- 5.2.3.2.3 J3 107
- 5.2.3.2.5 J2 108
- 5.2.3.2.6 J3 108
- 5.2.3.2.4 J1 108
- Female Connectors 120
- G.703B DDO-B SYNC ST-B 121
- 5.4.2.4 J21 124
- BLANK PAGE 134
- Chapter 6. Maintenance and 135
- Troubleshooting 135
- 6.3 Active Major Alarms 136
- 6.4 Active Minor Alarms 137
- 7.1 General Specifications 139
- 7.2 IFS20 (70/140 MHz) 139
- 7.3 IFS20 (L-Band) 140
- 7.4 Terrestrial Interfaces 140
- 7.5 Options 141
- 7.6 Power and Environmental 141
- 7.8 Complementary Products 142
- A.1.1 Protocol Structure 143
- A.1.2 Protocol Wrapper 144
- A.1.5 Collision Avoidance 148
- A.1.8 RLLP Summary 152
- Configuration 168
- Appendix B. System Cabling 179
- B.2 RCS20 Interconnects 180
- Setup and Configuration 199
- 480 • 333 • 2200 PHONE 202
- • 333 • 2161 FAX 202
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