Hardware Installation Manual 46 Document #: LTRT-10764
Mediant 500 MSBR
5.6 Analog Interfaces
This section describes how to connect the device to analog equipment.
5.6.1 Connecting the FXS Interfaces
The procedure below describes how to cable the device's FXS interfaces.
Warning:
• The device is an INDOOR unit and thus, must be installed and located only indoors.
• Ensure that the FXS ports are connected to the appropriate, external devices;
otherwise, damage to the device may occur.
• FXS ports are considered TNV-2.
Note:
• FXS interface is a customer ordered item.
• The FXS/FXO interfaces support loop-start signaling (indoor only).
• FXS is the interface replacing the Exchange (i.e., the CO or the PBX) and connects to
analog telephones, dial-up modems, and fax machines. The FXS is designed to
supply line voltage and ringing current to these telephone devices. An FXS VoIP
device interfaces between the analog telephone devices and the Internet.
Cable specification:
Cable: Straight-through RJ-11 standard telephone cable
Connector: RJ-11
Connector Pinouts:
Figure 5-14: RJ-11 Connector Pinouts for FXS Interface
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