We use the following device for Asterisk fail-over and our T1s. I
believe they have an E1 version also:
http://www.red-fone.com/fonebridge.html
On Thu, 2005-10-20 at 11:23, John Daragon wrote:
Warning ! I know zip about electronics.
I've been looking for a device to handle the switching of
http://www.junghanns.net/en/ISDNguard_produkt.html
srsergio
-Mensaje original-
De: John Daragon [mailto:[EMAIL PROTECTED]
Enviado el: jueves, 20 de octubre de 2005 17:24
Para: Asterisk Users Mailing List - Non-Commercial Discussion
Asunto: [Asterisk-Users] E1/T1 failover hardware
Warning ! I know zip about electronics.
why not just use a multipole relay ?
a 4pole double throw relay gives you 4 sets of contacts for the 2x tx and
2x rx wires. if you want to control with a bit in a parallel port, use
something like a uln2003 relay driver (if the coil current is low
Sergio Serrano wrote:
http://www.junghanns.net/en/ISDNguard_produkt.html
srsergio
-Mensaje original-
De: John Daragon [mailto:[EMAIL PROTECTED]
Enviado el: jueves, 20 de octubre de 2005 17:24
Para: Asterisk Users Mailing List - Non-Commercial Discussion
Asunto: [Asterisk-Users]
Jon Pounder wrote:
Warning ! I know zip about electronics.
why not just use a multipole relay ?
a 4pole double throw relay gives you 4 sets of contacts for the 2x tx and
2x rx wires. if you want to control with a bit in a parallel port, use
something like a uln2003 relay driver (if the coil
