Comtech EF Data SMS-758 User Manual
Page 9
MN/SMS758 Rev. 3
v
Table of Contents
CHAPTER 1. INTRODUCTION .................................................................................. 1–1
1.1 Scope ............................................................................................................................................................. 1–1
1.2 Purpose and Function.................................................................................................................................. 1–1
1.3 Description ................................................................................................................................................... 1–2
1.4 Performance Specification ........................................................................................................................ 1–10
CHAPTER 2. INSTALLATION ................................................................................... 2–1
2.1 Unpacking..................................................................................................................................................... 2–1
2.2 System Installation....................................................................................................................................... 2–2
2.2.1 Switch Setup........................................................................................................................................... 2–2
2.2.2 Modem Setup ......................................................................................................................................... 2–3
2.3 System Requirements .................................................................................................................................. 2–3
2.4 External Connections .................................................................................................................................. 2–4
2.4.1 Data I/O.................................................................................................................................................. 2–5
2.4.2 External RS485 and RS232 Interface (J1 and J2) .................................................................................. 2–6
2.4.3 Modem Control RS485 .......................................................................................................................... 2–6
2.4.4 On-Line Status (J4, J5) ........................................................................................................................... 2–7
2.4.5 Relay-Remote/Fault (J6)......................................................................................................................... 2–8
2.4.6 Downlink Inputs (J7 through J10, J12 through J15)............................................................................... 2–8
2.4.7 Back-up Demods (J11, J16) ................................................................................................................... 2–9
2.4.8 Prime Mod Inputs (J18 through J25)...................................................................................................... 2–9
2.4.9 Back-up Mod Inputs (J26, J36) .............................................................................................................. 2–9
2.4.10 Offline IF Outputs (J17, J27) ............................................................................................................... 2–9
2.4.11 IF Outputs (J28 through J35).............................................................................................................. 2–10
2.4.12 AC Power (J37, J38) .......................................................................................................................... 2–10
2.4.13 DC Power (J37, J38) .......................................................................................................................... 2–10
2.4.14 Ground (J37) ...................................................................................................................................... 2–10