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Cisco 860 Series and Cisco 880 Series Integrated Services Routers Hardware Installation Guide
OL-16193-01
Chapter 3 Connecting the Router
Connecting a Data BRI Port
Although the following procedure shows a Cisco 888W data router, this procedure applies to all
Cisco
880 series router with a Data BRI port.
To connect the Data BRI port to the ISDN service provider, follow these steps:
Step 1 Connect one end of the orange ISDN S/T cable to the Data BRI port on the router. Figure 3-5 shows a
Data BRI connection.
Figure 3-5 Connecting the Data BRI Port to the ISDN Line
Step 2 Connect the other end of the orange ISDN S/T cable to the S/T port on the NT1 box.
Step 3 Connect the first unshielded Category 5 cable from the U port on the NT1 box to the telephone line port
on the splitter.
1 End of the ISDN S/T cable, which connects to
the Data BRI port on the router
5 xDSL splitter (provided by the xDSL service
provider)
2 Network termination 1 (NT1) box 6 Other end of the first unshielded Category 5
cable, which connects to the telephone line
port on the splitter
3 Other end of the ISDN S/T cable, which
connects to the S/T port on the NT1 box
7 One end of the second unshielded Category 5
cable, which connects to the
telecommunication service port on the splitter
4 One end of the first unshielded Category 5
cable, which connects to the U port on the
NT1 box
8 Other end of the second unshielded
Category
5 cable, which connects to the wall
jack
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