Installation Manual 8 Document #: LTRT-83506
Mediant 1000
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Notes: Throughout this manual and unless otherwise specified, the term device
refers to the Mediant 1000 gateway.
Note: The device is an indoor unit and therefore, must be installed only indoors.
Caution Electrical Shock
Do not open or disassemble this device. The device carries high voltage and
contact with internal components may expose you to electrical shock and
bodily harm.
Warning: Disconnect the gateway from the mains and Telephone Network Voltage
(TNV) before servicing.
Warning: To protect against electrical shock and fire, use a 26-AWG min wire to
connect FXO ports to the Public Switching Telephone Network (PSTN).
Notes:
• FXO (Foreign Exchange Office) is the interface replacing the analog
telephone and connects to a Public Switched Telephone Network (PSTN)
line from the Central Office (CO) or to a Private Branch Exchange (PBX).
The FXO is designed to receive line voltage and ringing current, supplied
from the CO or the PBX (just like an analog telephone). An FXO VoIP
device interfaces between the CO/PBX line and the Internet.
• FXS (Foreign Exchange Station) 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.
Warning: FXO ports are considered to be TNV-3; FXS ports are considered to be
TNV-2.
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