Hayes Support wrote in a message to Bob Juge:
BJ> -=> Quoting Bob Juge to John McAlpin <=-
 BJ> In the case of the Hayes TA, there is no built-in NT-1, so the
 BJ> POTS jack is not usable while the TA side is conducting an ISDN
 BJ> session.  Oh yes, an NT-1 is a "Network Terminator", a device 
 BJ> necessary on your end to allow ISDN sessions over your BRI.
 HS> The ACCURA ISDN (US Model) does come with the NT-1 built in.
I was referring to my "Hayes System Adapter", Product Part Number 08-01291, 
which I purchased through the Hayes sysop program for $450.
I now understand from your previous message that a new product, the "Hayes 
Accura ISDN" will be available next month.
 HS> An ISDN BRI U-Loop is 2 wires from the CO to the customer
 HS> premises. At the premises the U-Loop is terminated by an NT-1
 HS> device.  Typically in North America the ISDN customer must supply
 HS> the NT-1 device (if it is not already built in to the TA).
Correct.
                                   - Bob
Internet  : bob@juge.com
Telnet, Vmodem, WWW or FTP to juge.com
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