![Option B—Connecting Cisco 802 and Cisco 804 Routers](/images/new-backgrounds/113751/11375111x1.webp)
Connect Telephone, Fax Machine, or Modem
Option B—Connecting Cisco 802 and Cisco 804 Routers
Figure 5 Connecting an 802 or 804 Router to an ISDN Line
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ETHERNET 10 | BASE T | 804 | |
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Cisco 804 router |
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ISDN U
PHONE |
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ISDN wall jack
Step 1 Connect the red cable to the red ISDN U port.
Step 2 Connect the other end of the cable to the ISDN wall jack. If your wall jack has an
Connect Telephone, Fax Machine, or Modem
If you have a Cisco 803 or Cisco 804 router, you can connect a
The gray PHONE 1 and PHONE 2 ports are
Caution Do not connect the router telephone ports to the telephone wall jack. These ports are not meant for direct connection to the public network. This connection can damage your router.
Option
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