Cisco 3410DVB Manual de usuario Pagina 77
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- Tabla de contenidos
- MARCADORES
Valorado. / 5. Basado en revisión del cliente
DSL Technologies
DSL Type
DSL Type
ADSL (Asymmetrical)
ADSL (Asymmetrical)
ADSL G.lite
ADSL G.lite
HDSL ( High Bit Rat e )
HDSL ( High Bit Rat e )
HDSL ( High Bit Rat e )
HDSL ( High Bit Rat e )
HDSL 2
HDSL 2
RADSL (Rat e Adaptive )
RADSL (Rat e Adaptive )
SDSL (Symmetrical)
SDSL (Symmetrical)
V DSL (Ver y Hig h Bit Rate )
V DSL (Ver y Hig h Bit Rate )
0.5 - 8 Mbps
0.5 0.5 -- 8 M bps8 M bps
1 Mbps
1 Mbps1 Mbps
1.544 Mbps
1.544 Mbps1.544 Mbps
2.048 Mbps
2.048 Mbps2.048 Mbps
1.544 Mbps
1.544 Mbps1.544 Mbps
Variable to 12 Mbps
Variable to 12 MbpsVariable to 12 Mbps
12 Kbps to 1.5 Mbps
12 Kbps to 1.5 Mbps12 Kbps to 1.5 Mbps
25 Mbps to 50 Mbps
25 Mbps to 50 Mbps25 Mbps to 50 Mbps
64 Kbps to 640 Kbps
64 Kbps to 640 Kbps64 Kbps to 640 Kbps
128 Kbps
128 Kbps128 Kbps
1.544 Mbps
1.544 Mbps1.544 Mbps
2.048 Mbps
2.048 Mbps2.048 Mbps
1.544 Mbps
1.544 Mbps1.544 Mbps
Variable to 1 Mbps
Variable to 1 MbpsVariable to 1 Mbps
12 Kbps to 1.5 Mbps
12 Kbps to 1.5 Mbps12 Kbps to 1.5 Mbps
25 Mbps to 50 Mbps
25 Mbps to 50 Mbps25 Mbps to 50 Mbps
12K to 18K
12K to 18K12K to 18K
12K to 18K
12K to 18K12K to 18K
12K on 2 pairs
12K on 2 pairs12K on 2 pairs
12K on 3 pairs
12K on 3 pairs12K on 3 pairs
12K on 1 pair
12K on 1 pair12K on 1 pair
18K to 25K
18K to 25K18K to 25K
11.5K to 22K
11.5K to 22K11.5K to 22K
3K
3K3K
Download
Download
Upload
Upload
Distance (feet)
Distance (feet)
- Programmable 1
- Solutions 1
- • Technology overview 2
- • Digital modem technologies 2
- • Conclusions 2
- So What is Broadband Access? 3
- Digital Modem Growth Drivers 4
- Frustrated Maybe … 6
- Source: Dataquest CAGR 39.2% 7
- • Potential to leverage voice 8
- Satellite Modem Overview 10
- Data Broadcasting 11
- System Block Diagram 12
- • Decoder 13
- Broadcom Corporation 14
- Host Interfaces 15
- Satellite Modem Design 16
- Spartan-XL 17
- Spartan-III 17
- Spartan-II 17
- Spartan-II Device Functions 19
- ISDN Overview 22
- Understanding ISDN Equipment 23
- • Widely available 24
- The Original Digital Service 25
- Two Major Variants 26
- ISDN Model 27
- Functional Groupings 28
- Reference Points 29
- U Reference Point 30
- S/T Interface 31
- Proprietary TDM interfaces 32
- ISDN In the Real World 33
- External ISDN Modem 34
- Internal ISDN Modem 35
- Always On ISDN 36
- • Developed by Ascend 37
- • Uses ISDN transport 37
- ASSP Providers 38
- • Design objectives 39
- ISDN PCMCIA Modem 40
- ISDN PCMCIA FPGA 41
- Spartan Functionality 43
- Without Xilinx 44
- With Xilinx 44
- ISDN Summary 45
- Cable Modems 46
- Cable Modem Overview 47
- • Offered by cable companies 48
- Cable Modem - Market Drivers 51
- • Concerns over data security 54
- What is a Cable Modem? 55
- How Do Cable Modems Work? 56
- Set-Top Box 57
- Cable M odem 57
- DOCSIS Cable Modem 58
- Inside a Cable Modem 60
- QAM & QPSK 65
- Downstream Data Channel in 66
- Cable Modem Physical Layer 66
- Upstream Data Channel in 68
- Many Different 70
- • Always-on connection 71
- DSL Overview 73
- ADSL Equipment 74
- DSL Market Trends 75
- DSL Technologies 77
- I/O Routing Ring 79
- Spartan-II Clock Management 80
- Distributed RAM 81
- Block RAM 81
- External Memory 81
- Spartan-II Block RAM 82
- Spartan-II IP Solutions for 87
- HDLC Controllers 87
- Memec Design Services 89
- CoreEL MicroSystems 90
- The Spartan-II Competitive 92
- Advantage: 100k Unit Cost 93
- Solution <$6 94
- Programmable ASSP - Value 95
- Conclusions on Digital Modems 96
- The Digital Modem 97
- Evolves Into The 97
- Residential 97
- Gateways 97
- New Dimensions to Home 98
- Internet Access 98
- Convergence Is Happening! 99
- The Push for Home Networking 100
- • Television 101
- Worldwide Home Network & 102
- Residential Gateway Forecast 102
- Residential Gateway 103
- Solutions Available 105
- Market Requirements and 105
- Access & Home Networking 106
- Television 106
- Broadband Based or 107
- Digital Modems RGs 107
- Broadband Centric or 108
- Home Networking is Here! 110
- First Generation RGs 111
- Second Generation RGs 112
- Third Generation 114
- HiperLAN2) 116
- – Distribution of broadband 117
- – Seamless connection & 117
- – Management software for 117
- Satellite Modems 118
- ISDN Modems 119
- Interface 120
- ADSL Broadcast Solution 121
- DSL Modem Home Gateway 122
- V.90/56K Modems - Analog 125
- Phonelines 125
- Broadband Access in Hotel 125
- – Provides error correction 127
- – Provides data compression 127
- Analog Modems 128
- Satellite Modem Block Diagram 133
- ISDN CPE - Block Diagram 134
- Cable Modem - Block Diagram 135
- Channels 136
- $9.95$9.95 137
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