Specifications

Digium, Inc.
E1
The European equivalent of North American T1, transmit
Mbps, up to 32 voice channels (DS0s).
E3
The European equivalent of North American T3, transmits
Mbps, up to 512 voice channels (DS0s). Equivalent to 16 E1
EMI Electromagnetic Interference
Unwanted electrical noise present on a power line
full duplex
Data transmission in two directions simultaneously.
FXO Foreign Exchange Office
Receives the ringing voltage from an FXS device. Outside
connected to the FXO port on your 800 Series card.
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