Comtech EF Data SMS-758 User Manual
Sms-758
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SMS-758
SMS-758
SMS-758
SMS-758
Modem Protection Switch
Modem Protection Switch
Modem Protection Switch
Modem Protection Switch
Installation and Operation Manual
Installation and Operation Manual
Installation and Operation Manual
Installation and Operation Manual
Part Number MN/SMS758.IOM
Revision 3
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Table of contents
Document Outline
- SMS-758 Rev 3 Cover
- Preface
- Table of Contents
- Chapter 1: INTRODUCTION
- Chapter 2: INSTALLATION
- 2.1 Unpacking
- 2.2 System Installation
- 2.3 System Requirements
- 2.4 External Connections
- 2.4.1 Data I/O
- 2.4.2 External RS485 and RS232 Interface (J1 and J2)
- 2.4.3 Modem Control RS485
- 2.4.4 On-Line Status (J4, J5)
- 2.4.5 Relay-Remote/Fault (J6)
- 2.4.6 Downlink Inputs (J7 through J10, J12 through J15)
- 2.4.7 Back-up Demods (J11, J16)
- 2.4.8 Prime Mod Inputs (J18 through J25)
- 2.4.9 Back-up Mod Inputs (J26, J36)
- 2.4.10 Offline IF Outputs (J17, J27)
- 2.4.11 IF Outputs (J28 through J35)
- 2.4.12 AC Power (J37, J38)
- 2.4.13 DC Power (J37, J38)
- 2.4.14 Ground (J37)
- Chapter 3: OPERATION
- Chapter 4: THEORY OF OPERATION
- Chapter 5: MAINTENANCE
- Appendix A: REMOTE CONTROL OPERATION: MODEM SWITCH
- Appendix B: REMOTE CONTROL OPERATION: INDEPENDENT MOD/DEMOD
- Appendix A: 7 DOWNLINK OPTION