Hardware Installation Manual 36 Document #: LTRT-10444
5.4.3 Cabling the FXS Analog Lifeline
The device's FXS Analog Lifeline feature provides a wired connection for a plain old
telephone service (POTS) phone (FXS) to the PSTN / PBX (FXO) upon a power outage or
IP network connectivity loss.
The FXS Analog Lifeline is available on the hardware configuration that provides a single
FXO port and three FXS ports. The FXS lifeline phone connects to FXS port #1 and the
PSTN/PBX connects to FXO port #1. When the Lifeline is activated, the FXS line
automatically connects to the FXO line and calls between these entities can be established.
To cable the FXS Analog Lifeline:
1. Connect the analog lifeline telephone to FXS port #1, located on the rear panel.
2. Connect an analog PSTN line to FXO port #1, located on the rear panel.
Figure 5-14: Cabling the FXS Analog Lifeline
Notes:
• The FXS Analog Lifeline feature is a customer-ordered item, which is supported only
on specific hardware configurations with combined FXS and FXO interfaces. For
more information, contact your AudioCodes sales representative.
• The scenario upon which the FXS Analog Lifeline is activated is configured by the
LifeLineType ini file parameter. For more information, refer to the User's Manual.
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