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SmartNode 5540 & 4140 Series User Manual
Installing an interface cable on the SmartNode device's FXS and FXO interface ports
The SmartNode comes with at least two FXS analog ports (see
device. Some Models have FXO ports as well, with equal number of ports as for FXS. The FXS interfaces are con-
nected to analog devices via cables (see
page 56), while the same type of cable and pinout is being used to connect a POTS line to the FXO ports of the
SmartNode (see
figure
10).
Installing the SmartNode device
figure
9) terminated with RJ-11 connectors (see section
Figure 9. Analog FXS connection
Figure 10. Analog FXO connection
Table 7. RJ-11 socket
Pin
Signal
3
Ring (-)
4
Tip (+)
3 • SmartNode Installation
figure 8
on page 31) located on the back of the
"Analog FXS"
on
32
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