Comtech EF Data SMS-451 - Manual (Page 6)

SMS-451 Satellite Switch Revision 0
Preface MN/SMS451.IOM
iv
2.3.3 SMS-45T External Connections ...........................................................................................................2–15
2.3.3.1 ESC "A" Connector Pin Assignments (J16 and J26) ....................................................................2–16
2.3.3.2 ESC "B" Connector Pin Assignments (J17 and 27) ......................................................................2–17
2.3.3.3 ESC "COMMON" Connector Pin Assignemnt (J18 and J28).......................................................2–18
2.3.3.4 Remote Interface OUT (J5 and J25)..............................................................................................2–19
2.3.3.5 AC Power (J2 and J24)..................................................................................................................2–19
2.3.3.6 Ground (J3) ...................................................................................................................................2–19
CHAPTER 3. OPERATION........................................................................................ 3–1
3.1 Overview .......................................................................................................................................................3–1
3.2 SMS-451A/E Front Panel ............................................................................................................................3–2
3.2.1 SMS-451A/E Front Panel Indicators ......................................................................................................3–2
3.2.2 SMS-451A/E Front Panel Switches........................................................................................................3–2
3.3 SMS-451A/E Local Control.........................................................................................................................3–3
3.3.1 SMS-451A/E Modulator Operation........................................................................................................3–3
3.3.2 SMS-4512A/E Demodulator Operation..................................................................................................3–4
3.4 SMS-451A/E Remote Operation.................................................................................................................3–4
3.5 SMS-451T Front Panel ................................................................................................................................3–5
3.5.1 SMS-451T ESC "1" ................................................................................................................................3–5
APPENDIX A B-141-1 BREAKOUT PANEL .............................................................A–1
A.1 Overview .....................................................................................................................................................A–1
A.2 External Connections.................................................................................................................................A–3
A.2.1 ESC-1 Interface J1 ................................................................................................................................A–3
A.2.2 8 kbps RS-422 Interface (P2)................................................................................................................A–5
A.2.3 Alarm Outputs (TB1)............................................................................................................................A–5
A.2.4 Backward Alarm (TB2) .........................................................................................................................A-6
A.2.5 ADPCM Audio Connector (TB3).........................................................................................................A–6
INDEX .......................................................................................................................... I–1