LevelOne VOI-7011 - Manual (Page 14)

8
2.3. Connection Diagram
Note
Public Switched Telephone Network (PSTN),
which refers to the international telephone system
based on copper wires carrying analog voice data
Telephone service carried by the PSTN is often
called plain old telephone service (POTS).
LAN
WAN
Power
Internet
PSTN
Optional
Headset