3-29
Cisco Integrated Services Router Hardware Installation Guide
Chapter 3 Connecting the Router
Cisco 860, 880, 890 Series
To connect the Data BRI port to the ISDN service provider, follow these steps:
Note Although the following procedure shows a Cisco 888W data router, this procedure applies to all
Cisco 880 series router with a Data BRI port.
Step 1 Connect one end of the orange ISDN S/T cable to the Data BRI port on the router. Figure 3-25 shows a
Data BRI connection.
Figure 3-25 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 CAT 5 cable from the U-port on the NT1 box to the telephone line port on
the splitter.
1 Data BRI port on the router 6 U-port on the NT1 box
2 ISDN S/T cable 7 xDSL splitter (provided by the xDSL service
provider)
3 Network termination 1 (NT1) box 8 Telephone line port on the splitter
4 S/T port on the NT1 box 9 Telecommunication service port on the
splitter
5 Unshielded CAT 5 cable 10 Wall jack