Comtech EF Data CST-5000 User Manual
Page 10
Preface
CST-5000
iv
Rev. 9
3.3.2.2 Square Pole.....................................................................................................................................................3–15
3.3.3 Spar Installation.................................................................................................................................................3–16
3.3.4 1:1 Redundant Plate Installation........................................................................................................................3–19
3.4 External Connections .....................................................................................................................................3–21
CHAPTER 4. OPERATION.............................................................................................. 4–1
4.1 System Operation .............................................................................................................................................4–1
4.2 Remote Control.................................................................................................................................................4–1
4.3 Front Panel Display/Keypad............................................................................................................................4–2
4.3.1 Front Panel Controls..........................................................................................................................................4–3
4.4 Menu Explanations...........................................................................................................................................4–4
4.4.1 Configuration ....................................................................................................................................................4–5
4.4.2 Monitor..............................................................................................................................................................4–9
4.4.3 Faults .................................................................................................................................................................4–11
CHAPTER 5. THEORY OF OPERATION........................................................................ 5–1
5.1 Monitor and Control ........................................................................................................................................5–1
5.1.1 EEPROM Memory ............................................................................................................................................5–3
5.1.2 Remote Interface ...............................................................................................................................................5–3
5.1.2.1 Remote Interface Specification ......................................................................................................................5–4
5.1.3 Terminal Default Conditions.............................................................................................................................5–4
5.1.4 Theory of Operation ..........................................................................................................................................5–4
5.1.5 M&C Board Connector Pinouts ........................................................................................................................5–6
5.1.5.1 EIA-232/485 Remote Control (J1) .................................................................................................................5–6
5.1.5.2 Remote Relay Control, J2 DB15-Female .......................................................................................................5–6
5.1.5.3 HPA, PS, U/C, and D/C, J3 DB37-Male ........................................................................................................5–7
5.1.5.4 Synthesizers (DC/UC/LO), J4 DB37-Female.................................................................................................5–8
5.1.5.5 Keypad Display, 24-Pin (12 x 2) Ribbon Connector (J5)...............................................................................5–9
5.1.6 Test Points and LEDs ........................................................................................................................................5–10
5.2 High Stability Oscillator.................................................................................................................................5–10
5.2.1 Specifications ....................................................................................................................................................5–10
5.3 IF Local Oscillator..........................................................................................................................................5–12
5.3.1 Specifications ....................................................................................................................................................5–12
5.4 Synthesizer ......................................................................................................................................................5–14
5.4.1 Specifications ....................................................................................................................................................5–14
5.4.2 Theory of Operation ..........................................................................................................................................5–14
5.5 Down Converter..............................................................................................................................................5–16
5.5.1 Specifications ....................................................................................................................................................5–17
5.5.2 Theory of Operation ..........................................................................................................................................5–18
5.6 Up Converter...................................................................................................................................................5–19
5.6.1 Specifications ....................................................................................................................................................5–20
5.6.2 Theory of Operation ..........................................................................................................................................5–21
CHAPTER 6. MAINTENANCE ........................................................................................ 6–1
6.1 Test Points and LEDs .......................................................................................................................................6–1
6.2 Fault Isolation ...................................................................................................................................................6–2
APPENDIX A. OPTIONS ................................................................................................. A–1
A.1 140 MHz Option..............................................................................................................................................A–1
A.1.1 IF 1112.5 MHz Local Oscillator.......................................................................................................................A–1
A.1.1.1 Specifications ................................................................................................................................................A–3
A.1.2 Synthesizer .......................................................................................................................................................A–3
A.1.2.1 Specifications ................................................................................................................................................A–3
A.1.2.2 Theory of Operation ......................................................................................................................................A–3
A.1.3 Down Converter ...............................................................................................................................................A–5
A.1.3.1 Specifications ................................................................................................................................................A–6