>It isn't. This modem was made in the days when you weren't allowed to
>hook anything to the phone system unless it was Bell approved. This
>particular box (called the "coupler") is an approved device for attaching
>the modem to the phone network.
My PMMI MM-103 modem is the same way. It has an external
coupler box that connects to the S-100 bus modem card by way of a
ribbon cable and connects to the phone line with a standard RJ11
phone jack. Thankfully I have the coupler box.
Jeff
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Received on Wed Oct 31 2001 - 10:49:21 GMT