[asterisk-users] 2 Asterisks to one PBX - E1 conection

Alejandro Kauffmann akauffma at prodigy.net.mx
Wed Nov 26 18:57:03 CST 2008

dubravko caric wrote:
> Hi all,
> I have a question regarding connection of two Asterisk servers to our 
> PBX. Each Asterisk server has one PCI E1 card, and they are in failover 
> mode with Linux HA. On our PBX we have only one E1 card towards Asterisk 
> servers.
> My question is how to connect these two Asterisks to one E1 card on PBX, 
> and when primary Asterisk server fails not to have to manually pull out 
> E1 cable from primary server and plug it in secondary server in order to 
> have active connection to E1 card on PBX.
> Is there some kind of splitter which, on one side can accept two E1 
> connections from Asterisks and on the other side one E1 link from PBX. 
> This splitter must also recognize towards which one of two E1 links on 
> Asterisk side it should send signals to. eg. when primary Asterisk fails 
> this splitter should send signals to its eg. port 2 (connection towards 
> secondary Asterisk).
> I would be most grateful if someone could provide me with a link to such 
> products.
> Thanks
> Dubravko
Don't know how well it works, but we've been looking at these:



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