Chapter 3 Connecting the Router

Cisco 860, 880, 890 Series

Warning Hazardous network voltages are present in WAN ports regardless of whether power to the unit is OFF or ON. To avoid electric shock, use caution when working near WAN ports. When detaching cables, detach the end away from the unit first. Statement 1026

To connect the FXO line, follow these steps:

Step 1 Connect one end of the straight-through RJ-11 cable to the FXO port. See Figure 3-37.

Figure 3-37 Connecting an FXO Line

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1

3

270542

1

2

FXO port

RJ-11 cable

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Telephone outlet

Step 2 Connect the other end of the RJ-11 cable to a telephone wall outlet.

Note If you have specified the use of a private line automatic ringdown (PLAR) off-premises extension (OPX) connection mode for an FXO voice port (with loop resistance less than 8000 Ohm), you must ensure that the soft-offhook option is enabled on the port.

 

 

Cisco Integrated Services Router Hardware Installation Guide

 

 

 

 

 

 

OL-23125-02

 

 

3-41

 

 

 

 

 

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Cisco Systems OL-27407-01 manual Connecting an FXO Line