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RCS20 M:N Redundancy Switch Revision 15
User Interfaces MN-RCS20 and CD-RCS20
4–29
4. Press <ENT> to load the information on the screen into the switch parameter table. Switching will
occur immediately after pressing <ENT>.
Key Label Function
S1 MOD Press to place the blinking cursor on MODULATOR.
S2 DEMOD Press to place the blinking cursor on DEMODULATOR.
S3 --- N/A
S4 RETURN Press to return to the AUTO MODE BACKUP ASSIGNMENT SUMMARY Screen.
Numeric Keypad ---
Used to enter the prime channel number to switch to Backup Channel 1.
Press <CLR> or <NEXT> to abort programming (no switch parameters changed).
Press <ENT> to load the information on the screen into the switch parameter table.
Switching will occur immediately after pressing <ENT>.
4.3.1.24 FORCE MANUAL BACKUP 2
This subscreen allows the user to switch prime channels to backup Channel 2 manually. Channel 9 must
be configured as Backup Channel 2, and Backup Channel 2 must be in manual mode to force prime
channels into backup. If a prime channel is configured for linked switching, then switching the prime
channel modulator only will also switch the demodulator.
4.3.1.24.1 Programming steps:
1. Press <MOD> or <DEMOD> to move the blinking cursor to the modulator or demodulator
selection.
2. Use the numeric keypad to enter the prime channel number to switch to Backup Channel 2.
3. Press <CLR> or <NEXT> to abort programming (no switch parameters changed).
4. Press <ENT> to load the information on the screen into the switch parameter table. Switching will
occur immediately after pressing <ENT>.
Key Label Function
S1 MOD Press to place the blinking cursor on MODULATOR.
S2 DEMOD Press to place the blinking cursor on DEMODULATOR.
FORCE <MANUAL> <BACKUP> 2
FORCE <BACKUP> 2 -> MODULATOR: 0
FORCE <BACKUP> 2 -> DEMODULATOR: 0
ENTER MOD ONLY FOR MODEM TYPE SWITCHING
MOD DEMOD RETURN
- 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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