Installing the VoIP IAD
27
SmartNode 4830 DSL Series User Manual
2 • Hardware installation
Installing an interface cable on the VoIP IAD’s FXS and FXO interface ports
The gateway comes with at least two FXS or FXO analog ports—or a combination of FXS and FXO ports—
located on the back of the VoIP IAD (see
). The FXS interfaces are connected to analog devices via cables
(see
) terminated with RJ-11 connectors (see
on page 28 for pin-out information).
The FXO interface connects the VoIP IAD with analog lines via cables (see
on page 29) terminated with
on page 28 for pin-out information).
Figure 4. Rear view showing location of Ethernet and FXS connectors (SmartNode 4838 shown)
Figure 5. Analog FXS connection
Ethernet
connector
Analog ports (FXS)
Phone
Ring (-) 3
Tip (+) 4
3 Ring (-)
4 Tip (+)
RJ-11, male
RJ-11, male
