Comtech EF Data SLM-5650A - Manual (Page 16)

SLM-5650A Satellite Modem Revision 8
Table of Contents MN-SLM5650A
viii
14.2.1 “J1” Connector Pinout ....................................................................................................................... 14–3
14.3 General Specifications ...................................................................................................................... 14–4
14.4 LVDS Interface Module Removal and Installation ................................................................................... 14–5
14.4.1 LVDS Interface Module Removal Procedure ...................................................................................... 14–5
14.4.2 LVDS Interface Module Installation Procedure .................................................................................. 14–5
CHAPTER 15. DOUBLETALK CARRIER-IN-CARRIER OPTION ....................................... 15–1
15.1 Introduction ..................................................................................................................................... 15–1
15.2 What is DoubleTalk Carrier-in-Carrier? .............................................................................................. 15–1
15.3 Application Requirements ................................................................................................................. 15–2
15.3.1 Operational Recommendations ......................................................................................................... 15–4
15.4 System Functionality and Operational Considerations ....................................................................... 15–5
15.4.1 DoubleTalk Carrier-in-Carrier Cancellation Process ........................................................................... 15–7
15.4.2 Margin Requirements ........................................................................................................................ 15–9
15.4.3 Carrier-in-Carrier Latency .................................................................................................................. 15–9
15.4.4 Carrier-in-Carrier and Adaptive Coding and Modulation ................................................................... 15–9
15.4.5 Carrier-in-Carrier Link Design ............................................................................................................ 15–9
15.4.6 Carrier-in-Carrier Commissioning and Deployment ........................................................................ 15–15
15.4.7 Validating Carrier-in-Carrier Performance ....................................................................................... 15–16
15.5 Operational References .................................................................................................................. 15–17
15.5.1 Carrier-in-Carrier Link Budget Calculation ....................................................................................... 15–17
15.5.2 Estimating PSD Ratio ........................................................................................................................ 15–18
15.6 DoubleTalk Carrier-in-Carrier Specifications .................................................................................... 15–20
15.7 Carrier-in-Carrier Summary ............................................................................................................. 15–20
15.8 Glossary.......................................................................................................................................... 15–21
APPENDIX A. TROUBLESHOOTING .......................................................................................... A–1
A.1 Overview ........................................................................................................................................... A–1
A.2 System Checkout ............................................................................................................................... A–1
A.2.1 Interface Checkout .................................................................................................................................. A–2
A.2.2 Modulator Checkout ............................................................................................................................... A–3
A.2.3 Demodulator Checkout ........................................................................................................................... A–6
A.3 Fault Isolation .................................................................................................................................... A–9
A.4 System Faults/Alarms ...................................................................................................................... A–10
A.5 LED Display and Description ............................................................................................................. A–12