Modem to Modem without a line simulator?

Bob Bradlee caveguy at sbcglobal.net
Sun Dec 30 18:02:56 CST 2007


On Sun, 30 Dec 2007 23:56:40 +0000, Gordon JC Pearce wrote:


>On Sun, 2007-12-30 at 13:38 -0800, dwight elvey wrote:

>>  Other than the ring detect, there is no reason two
>> modems can't talk to each other since they are self powered.

>Some modems detect loop current and won't play unless there's something
>there.  You can use a 9v battery to provide this.

>Gordon


and if you want to create a ring, 90vac at 30 cps works just fine :-)

later
the other Bob





More information about the cctech mailing list