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Connect An Isdn Line - Cisco 2800 Series Quick Start Manual

Cabling and setup
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Connect an ISDN Line

Refer to the section corresponding to your router model and follow the steps to connect the
Cisco 800 series router to an ISDN line.
Caution
Always connect the orange cable to the orange ISDN S/T port and the red cable to the red ISDN U
port on the router. Do not connect either cable to the yellow Ethernet port. Accidently connecting
these cables to the wrong port can damage your router.
Option A—Connecting Cisco 801 and Cisco 803 Routers
This section describes how to connect Cisco 801 and Cisco 803 routers outside of North America. For
information on connecting these routers in North America, see the Cisco 800 Series Routers Hardware
Installation Guide.
Figure 4
Step 1
Connect the orange cable to the orange ISDN S/T port.
Connect the other end of the cable to the ISDN wall jack.
Step 2
78-5374-03
Option A—Connecting Cisco 801 and Cisco 803 Routers
Option B—Connecting Cisco 802 and Cisco 804 Routers
Connecting an 801 or 803 Router to an ISDN Line
HU B
NO HU B
C is c o 8
ET HE RN
0 3
ET 10 BA
SE T
CO NS OL
E
IS DN S/
T
0
1
2
3
Cisco 803 router
PH ON E
1
2
ISDN wall jack
Connect an ISDN Line
Connect an ISDN Line
5

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This manual is also suitable for:

800 series