Cisco 860, 880, 890 Series
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 3-36
Figure 3-36
1
2
Connect the other end of the cable to the RJ-11 port on the fax machine or telephone.
Step 2
Connecting an FXO Line
Use a straight-through RJ-11 cable to connect the FXO voice port to the PSTN or PBX through a
telephone wall outlet.
Cisco Integrated Services Router Hardware Installation Guide
3-40
shows an FXS line connection.
Connecting an FXS Line
3
FXS port
RJ-11 cable
1
2
Fax machine
or telephone
3
RJ-11 port
Chapter 3
Connecting the Router