Comtech-ef-data RCS20 Manuale Utente Pagina 169
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RCS20 M:N Redundancy Switch Revision 15
Remote Operations MN-RCS20 and CD-RCS20
A–27
A.3.7 Opcode <2200h> Relay Command or Query to Modem
Command Data Field (n+1 bytes):
<1> Channel Number Channel number for the modem for which the message is to be
relayed (0 to 9 for the RCS20)
<n> RLLP Packet from
Modem
Complete, addressed RLLP message block with (variable number of
bytes) sync byte, source address, destination address, Opcode, byte
count, data field and checksum) (Contents of Response Packet Data
Field: Dependent upon message relayed to modem.
A.3.8 Opcode <2202h> Set RCS20 Configuration
Command Data Field:
<2> Nonvolatile Bytes Number of nonvolatile RCS20 configuration memory bytes, including
these 2 bytes (221 decimal for RCS20)
<1> Number of Channels Maximum number of prime and backup channels available to the
RCS20 switch. (10 decimal for RCS20 as of Release 1.0)
<1> Nonvolatile Bytes per
Channel
Number of nonvolatile memory bytes per channel. This number may
vary with the release number. (10 bytes for RCS20 as of release 1.0
and 13 bytes as of release 4.0)
**Remote M&C developers must make use of this value to find out how
many bytes per channel are being transmitted.
<1> *Channel 0
Configuration
Bit 0 = Modulator present
Bit 1 = Demodulator present
(0 = not present, 1 = present)
<2> *Channel 0 Mod
Backup Delay
0h - BB7h in tenths of a second; decimal point implied
<2> *Channel 0 Demod
Backup Delay
0h - BB7h in tenths of a second; decimal point implied
<1> *Channel 0 Mod
Backup Configuration
Bit 0 = Backup 1 assigned to this modulator
Bit 1 = Backup 2 assigned to this modulator
(0 = not assigned, 1 = assigned)
- 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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