Comtech EF Data CDM-840 User Manual
Page 13
CDM-840 Remote Router
Revision 2
Table of Contents
MN-CDM840
ix
APPENDIX E.
DATA COLLECTION ................................................................................... E–1
E.1
Introduction ....................................................................................................................... E–1
E.2
Initial Setup of Communications Between the CDM-840 and the User PC ............................. E–2
E.3
Collection of Pre-Reboot Diagnostic Information from the CDM-840 .................................... E–3
E.4
Collection of Post-Reboot Diagnostic Information from the CDM-840 ................................... E–5
E.5
Serial Adapter Cable Fabrication Specifications Reference.................................................... E–7
APPENDIX F.
ENTRY CHANNEL MODE (ECM) ................................................................ F–1
F.1
Functional Overview ........................................................................................................... F–1
F.2
Entry Channel Mode Operation ........................................................................................... F–4
F.2.1 ECM Configuration using the Web Server Interfaces ............................................................... F–4
F.2.2 CDM-840 Remote Router Terminals ........................................................................................ F–5
F.2.3 CDD-880 Hub Channel Controller (HCC) ................................................................................... F–7
F.2.3.1 Tap Message ..................................................................................................................... F–7
F.2.3.2 HCC Configuration ............................................................................................................. F–7
F.2.3.3 Hub Operation .................................................................................................................. F–7
F.3
ECM Operational Scenarios ................................................................................................. F–9
F.3.1 Scenario 1 – VMS Initial Registration Process .......................................................................... F–9
F.3.2 Scenario 2 – Reverted or Auto-Recovered Messages............................................................... F–9
F.3.2.1 ECM Revert Cycle Timing .................................................................................................. F–9
F.3.2.2 ECMv2 Backoff Algorithm ............................................................................................... F–10
F.4
Glossary of Terms ............................................................................................................. F–12
APPENDIX G.
WAN/RAN OPTIMIZATION ......................................................................... G–1
G.1
Overview ........................................................................................................................... G–1
G.1.1 Radio Access Network (RAN) ................................................................................................... G–1
G.1.2 RAN Inefficiency ....................................................................................................................... G–2
G.2
E1 RAN Optimization .......................................................................................................... G–3
G.2.1 Process Overview..................................................................................................................... G–4
G.2.2 WAN Link Dimensioning and Pre-emptive Bandwidth Management ..................................... G–5
G.2.3 Performance Monitoring ......................................................................................................... G–7
G.2.3.1 Traffic Throughput (kbps) ................................................................................................ G–8
G.2.3.2 RAN Link Quality............................................................................................................... G–8
G.2.3.3 RANOp Savings ................................................................................................................. G–9