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Cisco 860 Series and Cisco 880 Series Integrated Services Routers Hardware Installation Guide
OL-16193-01
Chapter 3 Connecting the Router
Connecting an FXS line
To connect the FXS line, follow these steps:
Step 1 Connect one end of the straight-through RJ-11 cable to the FXS port. Figure 3-12 shows an FXS line
connection.
Figure 3-12 Connecting an FXS Line
Step 2 Connect the other end of the cable to the RJ-11 port on the telephone or fax machine.
1 FXS port 3 RJ-11 port
2 RJ-11 cable
Fax machine
or telephone
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