Juniper G10 CMTS, Руководство по оборудованию

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List of Figures ix
List of Figures
List of Figures
Figure 1: Typical CMTS Location..........................................................................4
Figure 2: Headend Architecture ..........................................................................5
Figure 3: G10 CMTS Components and Interfaces.................................................9
Figure 4: Front View of Fully Configured Chassis...............................................11
Figure 5: Front View of Partially Configured Chassis..........................................12
Figure 6: Rear View of Fully Configured Chassis ................................................13
Figure 7: Rear View of Partially Configured Chassis ...........................................14
Figure 8: Chassis Top View Showing Midplane Slot Numbering ........................15
Figure 9: Midplane—Front and Rear Views........................................................23
Figure 10: Midplane Domains..............................................................................25
Figure 11: AC Power Supply Front Panel .............................................................27
Figure 12: DOCSIS Module Front Panel ...............................................................30
Figure 13: DOCSIS Module Block Diagram ..........................................................32
Figure 14: Packet Processing Layers ....................................................................33
Figure 15: Chassis Control Module Front Panel....................................................39
Figure 16: NIC Module Front Panel ......................................................................43
Figure 17: NIC Access Module Front Panel ..........................................................49
Figure 18: HFC Connector Module Rear Panel .....................................................51
Figure 19: G10 CMTS Data Flow .........................................................................52
Figure 20: SIM Rear Panel ...................................................................................54
Figure 21: Hard Disk Module Rear Panel .............................................................56
Figure 22: G10 CMTS Data Flow .........................................................................64
Figure 23: Average Upstream Noise Measurement Example................................84
Figure 24: Peak Upstream Noise Measurement Example.....................................85
Figure 25: Air Flow Through Chassis....................................................................96
Figure 26: Bottom of Chassis ...............................................................................97
Figure 27: Lifting the Chassis...............................................................................98
Figure 28: Rack-Mounted Chassis ........................................................................99
Figure 29: Rack Fully Populated with Three G10 CMTS Chassis .........................100
Figure 30: Power Supply Installation ................................................................102
Figure 31: Air Management Module Removal ....................................................104
Figure 32: DOCSIS Module Installation ..............................................................105
Figure 33: HFC Connector Module Installation ..................................................107
Figure 34: Example of Allocation of Multiple Interfaces Per Port .....................109
Figure 35: Rear Coaxial Cable Connections ......................................................112
Figure 36: NIC Module Cabling – Front View .....................................................114
Figure 37: NIC Access Module Cable Connections ............................................117
Figure 38: AC Power Cord and Retainer Clip .....................................................120
Figure 39: DC Power Transition Module ............................................................122
Figure 40: Downstream RF Signal (CATV Mode) ................................................135
Figure 41: Downstream RF Signal (Spectrum Analyzer Mode) ...........................136
Figure 42: Single Upstream Burst ......................................................................138
Figure 43: Multiple Upstream Bursts..................................................................139
Figure 44: Power Supply Removal ....................................................................161