Comtech EF Data CDD-880, Инструкция по установке и эксплуатации

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CDD-880 Multi Receiver Router MN-CDD880 / CD-CDD880
Table of Contents Revision 2
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G.3.2.3 Hub Fade Control ........................................................................................................... G–14
G.3.2.4 Roaming with DPC .......................................................................................................... G–14
G.4 Using Dynamic Power Control .......................................................................................... G–15
G.4.1.1 Configure DPC ................................................................................................................ G–18
G.4.1.2 Power Reference in DPC Operation ............................................................................... G–19
G.4.1.3 Set Reference ................................................................................................................. G–19
G.4.1.4 DPC Status Reporting ..................................................................................................... G–22
G.4.2 DPC – Operational Changes ................................................................................................... G–23
G.5 Firmware Update ............................................................................................................. G–24
G.6 Considerations ................................................................................................................. G–24
APPENDIX H. VERSAFEC RETURN LINK ACM (ADAPTIVE CODING AND MODULATION)
OPTION .................................................................................................................... H–1
H.1 VersaFEC ACM Overview .................................................................................................... H–1
H.2 Background ....................................................................................................................... H–2
H.3 VersaFEC ACM ................................................................................................................... H–3
H.3.1 VersaFEC ACM Latency .............................................................................................................H–4
H.4 Managing VersaFEC ACM Operation ................................................................................... H–5
H.4.2 Troubleshooting........................................................................................................................H–9
H.4.3 Monitoring ACM Performance .................................................................................................H–9
H.4.4 MODCOD Switch Points ......................................................................................................... H–11
H.5 ACM Congestion Control ...................................................................................................H–11
H.6 Notes and Recommendations ............................................................................................H–12
H.7 Summary of Specifications ................................................................................................H–13
TABLES
Table 3-1. CDD-880 Rear Panel Connectors .............................................................................................. 3–6
Table 3-2. ‘REDUNDANCY’ Connector Pinout .......................................................................................... 3–7
Table 3-3. ‘CONSOLE’ Connector Pinout .................................................................................................. 3–8
Table 3-4. ‘MONITOR’ Connector Pinout ................................................................................................. 3–9
Table B-1. The VersaFEC MODCOD Set ..................................................................................................... B–2
Table F-1. Comtech EF Data Product Compatibility Reference .............................................................. F–11
Table H-1. The VersaFEC MODCOD set .....................................................................................................H–3
Table H-2. Example Case – VersaFEC Implementation of ACM (100 ksymbols/sec) ................................H–4