Comtech EF Data SMS-451 - Manual (Page 5)

Table of Contents
CHAPTER 1. INTRODUCTION.................................................................................. 1–1
1.1 Description....................................................................................................................................................1–1
1.1.1 SMS-451A Description ..........................................................................................................................1–1
1.1.2 SMS-451E Description...........................................................................................................................1–5
1.1.3 SMS-451T Description...........................................................................................................................1–8
1.2 Specifications ..............................................................................................................................................1–10
1.2.1 SMS-451A Specifications.....................................................................................................................1–10
1.2.2 SMS-451E Specifications .....................................................................................................................1–11
1.2.3 SMS-451T Specifications .....................................................................................................................1–12
CHAPTER 2. INSTALLATION................................................................................... 2–1
2.1 Unpacking .....................................................................................................................................................2–1
2.2 System Installation.......................................................................................................................................2–2
2.2.1 SMS-451A Installation ...........................................................................................................................2–2
2.2.2 SMS-451E Installation............................................................................................................................2–4
2.2.3 SMS-451T Installation............................................................................................................................2–5
2.3 External Connections...................................................................................................................................2–6
2.3.1 SMS-451A External Connections...........................................................................................................2–6
2.3.1.1 Remote Interface (J5) ......................................................................................................................2–7
2.3.1.2 Modem Fault A and B (J8, J9) ........................................................................................................2–8
2.3.1.3 Receive IF Connectors (J19, J20, J21) ............................................................................................2–8
2.3.1.4 Transmit IF Connectors (J11, J13, J18)...........................................................................................2–8
2.3.1.5 Receive Data (J10, J12, J15) ...........................................................................................................2–9
2.3.1.6 Transmit Data (J1, J3, J6)................................................................................................................2–9
2.3.1.7 Transmit Clock (J2, J4, J7)..............................................................................................................2–9
2.3.1.8 AC Power (J34, J24) .......................................................................................................................2–9
2.3.1.9 Ground (J25, J26)............................................................................................................................2–9
2.3.2 SMS-451E External Connections .........................................................................................................2–10
2.3.2.1 ECL Baseband DATA I/O (A, Common, and B)..........................................................................2–11
2.3.2.2 Remote Connector.........................................................................................................................2–13
2.3.2.3 Demodulator Inputs (B, RX IF, and A).........................................................................................2–14
2.3.2.4 Modulator IF Ouputs (B TX IF, and B) ........................................................................................2–14
2.3.2.5 Power Connections........................................................................................................................2–14
2.3.2.6 Ground (ERDE).............................................................................................................................2–14
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