Comtech EF Data CDM-625A, Installation And Operation Manual

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CDM-625A Advanced Satellite Modem MN-CDM625A / CD-MN-CDM625A
Table of Contents Revision 4
xxvii
Figure B-27. Differential Encoding – No FEC, No Scrambling ................................................................. B–45
Figure E-1. TX Clock Modes ....................................................................................................................... E–3
Figure E-2. RX Clock Modes....................................................................................................................... E–5
Figure E-3. Supported T1 and E1 Framing Formats .................................................................................. E–7
Figure E-4. Drop and Insert Clocking ......................................................................................................... E–9
Figure E-5. Single-Source Multiple Modems (Looming) ......................................................................... E–10
Figure E-6. Single-Source Multiple Modems (Daisy-chain) ..................................................................... E–10
Figure E-7. G.703 Clock Extension Mode 1 ............................................................................................. E–13
Figure E-8. G.703 Clock Extension Mode 2 ............................................................................................. E–14
Figure E-9. G.703 Clock Extension Mode 3 ............................................................................................. E–15
Figure F-1. Conceptual Block Diagram ...................................................................................................... F–3
Figure F-2. Conventional FDMA Link ......................................................................................................... F–5
Figure F-3. Same Link Using CDM-625A and DoubleTalk Carrier-in-Carrier ............................................. F–6
Figure F-4. Duplex Link Optimization ........................................................................................................ F–6
Figure F-5. DoubleTalk Carrier-in-Carrier Signals ...................................................................................... F–8
Figure F-6. Carrier-in-Carrier Signal Processing Block Diagram ................................................................ F–8
Figure K-1. CDM-625A Ethernet Architecture Design ............................................................................... K–1
Figure K-2. Improper Use of External Ethernet Switch with CDM-625A .................................................. K–2
Figure K-3. Ethernet Networking Loop Example (Simplified) ................................................................... K–2
Figure K-4. Networking Loop Example ...................................................................................................... K–3
Figure K-5. Hub-to-Hub with Standard Traffic Using Routers ................................................................... K–4
Figure K-6. Hub-to-Remotes with Standard Traffic Using Routers or Switches ........................................ K–5
Figure K-7. Point-to-Point Configuration in “Router Multipoint Hub” Working Mode ............................ K–6
Figure K-8. Point-to-Multipoint Using Routers ......................................................................................... K–7
Figure K-9. Point-to-Multipoint Using Switches ........................................................................................ K–8
Figure K-10. Point-to-Multipoint (Router Multipoint Hub Mode) ............................................................ K–9
Figure K-11. Multicast Routing Diagram ................................................................................................. K–11
Figure K-12. Configuration Example for a Multicast Routing Network .................................................. K–12
Figure K-13. Configuration Example – Point-to-Point Network with PTP ............................................... K–15
Figure K-14. PTP Master/Slave Assignment Example ............................................................................. K–17
Figure L-1. CDM-625A Telnet Interfaces Interfaces (Serial Remote / CLI) ................................................ L–6
Figure L-2. CDM-625A HTTP (Web Server) Interface Home Page ............................................................. L–6
Figure M-1. ACM-over-Satellite – Generic Example ................................................................................ M–4
Figure M-2. VersaFEC Codes vs. Constrained Capacity ............................................................................ M–7
Figure M-3. CDM-625A – ACM ModCod Switch Points ......................................................................... M–11
Figure M-4. VersaFEC-2 Codes vs. Constrained Capacity (typical values shown) .................................. M–15
Figure M-5. CDM-625A – ACM Congestion Control ............................................................................... M–19
Figure R-1. IEEE 802.1q VLAN priority ....................................................................................................... R–5
Figure T-1. RADIUS Authentication Process .............................................................................................. T–2
Figure T-2. CDM-625A Front Panel Keypad and Vacuum Fluorescent Display ......................................... T–6
Figure T-3. CDM-625A HTTP (Web Server) Interface Admin | Access page ............................................. T–7