Cisco 880 Series Hardware Installation Manual page 118

Connecting a Data BRI Port
To connect the Data BRI port to the ISDN service provider, follow these steps:
Connect one end of the orange ISDN S/T cable to the Data BRI port on the router.
Step 1
Data BRI connection.
Figure 3-19
1 Data BRI port on the router
2
ISDN S/T cable
3
Network termination 1 (NT1) box
4 S/T port on the NT1 box
5 Unshielded CAT 5 cable
Connect the other end of the orange ISDN S/T cable to the S/T port on the NT1 box.
Step 2
Connect the first unshielded CAT 5 cable from the U-port on the NT1 box to the telephone line port on
Step 3
the splitter.
Connect the second unshielded Category 5 cable from the telecommunication service port on the splitter
Step 4
to the wall jack to allow a link to the network service provider.
Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series Integrated Services Routers Hardware Installation Guide
3-22
Connecting the Data BRI Port to the ISDN Line
1
2
4
5
3
6
8
9
5
6 U-port on the NT1 box
7
xDSL splitter (provided by the xDSL service
provider)
8
Telephone line port on the splitter
9 Telecommunication service port on the
splitter
10 Wall jack
Chapter 3 Connecting the Router
Figure 3-19
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