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3-8
Cisco uBR7100 Series and Cisco uBR7100E Series Universal Broadband Router Hardware Installation Guide
OL-5916-01
Chapter 3 Installing Cisco uBR7100 Series Universal Broadband Routers
Connecting to the Network
Connecting to the Network
This section describes how to connect the router to your network. The cables required to connect the
router to a network are not provided. For ordering information, contact customer service. For cable
product numbers and port pinouts, see Appendix C, “Cable Specifications”.
The router has integrated LAN Fast Ethernet ports and arrives with the modular port adapter already
installed, unless you order a port adapter separately as a spare. For information on installing port
adapters, see the installation and configuration notes for your port adapter.
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity.
Statement 1001
Warning
Hazardous network voltages are present in WAN ports regardless of whether power to the unit is OFF
or ON. To avoid electric shock, use caution when working near WAN ports. When detaching cables,
detach the end away from the unit first.
Statement 1026
Connecting Upstream and Downstream Ports
The upstream and downstream ports are connected as follows:
• DS0 RF outputs the downstream after it has been processed by the Cisco uBR7100 series integrated
upconverter. This is an RF signal suitable for output to a combiner.
• DS0 outputs the downstream as an IF signal. This signal must be output into an external
waveconverter before sending it to a combiner.
• US connects the upstream cables to the upstream ports. If an upstream port is not being used, it
should remain unconnected.
Use high-quality RG-59 cabling for both the upstream and downstream ports. RG-6 cable is not
recommended for headend use.
Figure 3-9 Connecting Upstream and Downstream Ports
Downstream port (to external upconverter)
5
I
A
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P
W
R
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S
L
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S
Y
S
R
D
Y
DS0
RF
uBR7114
US0
E
N
DS0
US1
US2
US3
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Upstream ports
Downstream port (integrated upconverter)
US3 US2 US1 US0
37404
DS0DS0 RF
- Text Part Number: OL-5916-01 1
- CONTENTS 3
- Contents 4
- 4 System Startup 4-1 5
- 6 Maintenance 6-1 5
- A System Specifications A-1 6
- C Cable Specifications C-1 6
- E Site Log E-1 6
- Audience 7
- Organization 8
- Conventions 9
- Safety Warning 10
- Avvertenza 11
- Advarsel 11
- ¡Advertencia! 11
- Varning! 12
- Related Documentation 14
- Terms and Acronyms 15
- Obtaining Documentation 17
- Documentation Feedback 18
- Product Overview 21
- Cisco uBR7100 Series Models 22
- Cisco uBR7100 25
- Fixed Interface Units 26
- Field-Replaceable Units 27
- Ethernet 28
- Fast Ethernet 28
- Flash Disks 29
- SDRAM Memory 30
- Functional Overview 31
- Slot 3 Slot 0 32
- PCMCIA Card 32
- MAC Addresses 33
- Online Insertion and Removal 34
- Network Processor Card 35
- FrontBack 36
- Other Interfaces 37
- System LEDs and Reset Button 38
- Functional Overview 39
- Preparing for Installation 41
- Shipping Container Contents 42
- Safety Guidelines 43
- Safety Guidelines 44
- Chassis Lifting Guidelines 45
- Site Requirement Guidelines 46
- Site Requirement Guidelines 47
- Power Connection Guidelines 49
- Plant Wiring Guidelines 50
- Ethernet Connections 51
- Port Adapter WAN Connections 51
- Console Port Connections 52
- Auxiliary Port Connections 53
- Broadband Routers 55
- Cisco uBR7100 series router 56
- Rack-Mounting the Chassis 57
- Physical Placement 58
- Attaching the Ground Wire 59
- Chassis grounding receptacles 60
- Grounding wire 60
- Grounding lug 60
- Connecting to the Network 62
- Connecting to the Network 63
- Connecting the Power 66
- System Startup 67
- Starting the System 68
- System LEDs 69
- Chapter 4 System Startup 70
- Starting the System 70
- Troubleshooting Overview 71
- Identifying Startup Problems 72
- Troubleshooting Overview 73
- Maintenance 77
- Environmental Monitoring 78
- Flash Memory Card Usage 81
- Front Back 82
- Chapter 6 Maintenance 83
- Flash Memory Card Usage 83
- Removing a Flash Memory Card 84
- Removing the Chassis Cover 88
- Removing the SDRAM DIMM 89
- Replacing the SDRAM DIMM 91
- Replacing the Chassis Cover 92
- Powering On the Router 93
- System Specifications 95
- RF Specifications 97
- Digital Signal Levels 100
- System/Channel 100
- OL-5916-01 102
- Requirements 103
- GPS Receivers 104
- Spectrum Analyzers 104
- Vector Signal Analyzers 104
- European Channel Plans 105
- Cable Specifications 107
- RJ-45 connector 108
- Pin 1 and pin 8 109
- Pin 1 Pin 1 111
- Laser Classification Labels 113
- Frequency Allocation Tables 115
- Standards Comparisons 116
- Frequencies 124
- Site Log 129
- Table E-1 Site Log Example 130
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