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 an E1 > connection from one Asterisk box to another in the event of a > catastrophic server failure. All of the solutions I've seen so far have > been designed to handle the situation where the telco line faults so > that the local PBX can switch to a secondary E1. > > I've come across this application note : > > http://www.maxim-ic.com/appnotes.cfm/appnote_number/2857 > > which describes "T1/E1/J1, N+1 Redundancy With Analog Switches" > > These parts are obviously designed to be built into E1 boards - hence, I > think, the protection circuitry. > > Here's the question, then : what (apart from jumping through regulatory > hoops) is to stop a simple array of MOSFETS (and a bit of control > circuitry) implementing a failover switch controlled (say) by a pin on a > serial or parallel port ? > > jd _______________________________________________ --Bandwidth and Colocation sponsored by Easynews.com -- Asterisk-Users mailing list [email protected] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
