On Feb 17, 1:09pm, "Priscilla Oppenheimer" wrote:
} Bruce Enders wrote:
} >
} > The simplest way I know of to explain these is to take the last
} > letter
} > (O or S) and associate that to where it will connect TO. So, an
} > FXO
} > connects to an Office (PBX or CO) and an FXS connects to a
} > Station device
} > (Telephone, Fax, or answering machine).
This is correct.
} The problem with that way of remembering it is that it contradicts what you
No, there is no contradiction. A port is named for the type of
device that connects to it. It is actually the opposite type of
device.
} say below. FXS connects TO FXO, not to a station. If you remember that a
An FXS port connects to an FXO port. Don't confuse port with
device.
} phone is not a station, in fact it's an FXO, then you won't get in trouble.
No, a phone is a Station. You must remember that a port is named
for the type of device that connects to it.
} > As Chuck suggests, if you are connecting from an "O" it will connect to
} > an "S", and vice versa, just like DTE and DCE. (Remembering it this way
} > comes in handy when you are connecting two PBXs, or PBX to CO, or voice
} > gateway to PBX or CO). OBTW, that voice gateway is a microscopic size
} > PBX.
Correct.
}-- End of excerpt from "Priscilla Oppenheimer"
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