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Chapter 2 Preparing for Installation
Site Requirement Guidelines
Distance Limitations and Interface Specifications
The size of your networks and the distances between connections depend on the type of signal, the signal speed, and the transmission media (the type of cabling used to transmit the signals). For example, standard coaxial cable has a greater channel capacity than
Note We recommend that you do not exceed specified transmission rate and distance limits.
When preparing your site for network connections to a Cisco uBR7100 series router, you must consider a number of factors related to each type of interface:
•The type of cabling required for each type (fiber, thick or thin coaxial,
•Distance limitations for each signal type
•The specific cables you need to connect each interface
•Any additional interface equipment you need, such as transceivers, hubs, switches, modems, channel service units (CSUs), or data service units (DSUs)
•Cable pinouts if you plan to build your cables
Note The specific interface information you need is contained in the documentation that is shipped with each port adapter.
Also see Appendix C, “Cable Specifications,” for cabling information.
Before installing a Cisco uBR7100 series router, have all additional external equipment and cables on hand. For ordering information, contact a customer service representative.
Ethernet Connections
There are two
Port Adapter WAN Connections
Cisco uBR7100 series routers support a number of port adapters that provide different WAN connection ports on the rear panel of the router. For more information on the cables used with the WAN ports, see the documentation that accompanies the port adapter, as well as Appendix C, “Cable Specifications,”
Cisco uBR7100 Series and Cisco uBR7100E Series Universal Broadband Router Hardware Installation Guide
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