AudioCodes Mediant 800 MSBG - Connecting to Analog Lifeline Phone; Figure 2-15: Cabling FXS Lifeline; Figure 2-16: RJ-11 Connector Pinouts for FXS Lifeline

Installation Manual 26 Document #: LTRT-10205
Mediant 800 MSBG
2.4.5 Connecting to Analog Lifeline Phone
The procedure below describes how to cable the Lifeline phone connection. This is only
applicable if the device is housed with an FXS interfaces.
The device's FXS interfaces provide an analog Lifeline phone connection for FXS Port 1.
This Lifeline maintains a wired analog POTS phone connection to any PSTN or PBX upon
power outage.
Notes:
• Analog Lifeline is supported only by FXS interfaces.
• The number of supported Lifelines depends on the device’s hardware
configuration. For the combined FXS/FXO configuration, one Lifeline is
available; for the 12-FXS configuration, up to three Lifelines are available.
¾ To cable the FXS Lifeline:
1. Connect the Lifeline Splitter (supplied) to the device's FXS Port 1.
2. Connect the Lifeline phone to Port A on the Lifeline Splitter.
3. Connect an analog PSTN line to Port B on the Lifeline Splitter.
Figure 2-15: Cabling FXS Lifeline
The Lifeline splitter connects pins 1 and 4 to another source of an FXS port, and pins 2 and
3 to the POTS phone, as shown in the figure below.
Figure 2-16: RJ-11 Connector Pinouts for FXS Lifeline