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Cisco 831 and SOHO 91 Router Cabling and Setup Quick Start Guide
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Chapter 1 Cisco 831 Router and Cisco SOHO 91 Router Cabling and Setup Quick Start Guide
Connect the Router to an External Ethernet Switch (Optional)
Perform the following steps to connect the PC to port 4 on the built-in Ethernet switch:
Step 1 Connect one end of the yellow Ethernet cable to port 4 on the built-in Ethernet switch.
Step 2 Connect the other end of the cable to the RJ-45 port on the NIC installed in the PC.
Note To connect an Ethernet hub to the router, follow the procedures in the Cisco 831 Router and SOHO 91
Router Hardware Installation Guide.
Note Leave turned off the PCs that you connect to the router. Do not turn them back on until after you
complete the router installation.
You can connect additional PCs to ports 1, 2, and 3 of the built-in Ethernet switch.
Connect the Router to an External Ethernet Switch (Optional)
If more than four PCs need to be connected to each other in an office, you may connect an external
Ethernet switch to the router’s built-in Ethernet switch to add additional Ethernet connections to the
router. To connect an external Ethernet switch to the Cisco 831 router, follow the steps given after
Figure 1-3.(Figure 1-3 shows a Cisco 831 router, but it also applies to a SOHO 91 router. The connection
procedure applies to both the Cisco 831 router and the SOHO 91 router.)
Figure 1-3 Connecting the Router to an External Ethernet Switch
1 Port 4 on the built-in Ethernet
switch on the router
2 An available port on the Ethernet
switch
INTERNET (E1)
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Cisco 831
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