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Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide
OL-5331-01
Chapter 4 Router Cabling Procedures
Connecting an ADSL Line—ADSLoISDN Port
xDSL interface employed.
Please contact your sales team or qualified service person for further information and installation.
Figure 4-14 Primary Protection Device Location
Router
Home or Business
Service Utilities Entrance
or Demarcation Point
Network Interface Box/
Network Interface Device/
Station Protector
Building Ground Rod connected to
Service entrance and Primary Protection
* Alternative Underground Service Entrance
Note: Primary Protection
may be located Outside
or Inside of Premise
Telecom Service
Overhead Service
Entrance
281392
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