I am unsure of * capabilities on NFAS (we do not use PCs to terminate any PRIs), but it allows bonding of desparate PRIs to use a single d-channel. ie, you can have 1 d-channel (optional backups) for the entire DS3. Not sure if * can communicate across cards like that in the same bus though.
On Sun, 2006-01-22 at 23:42 -0500, Greg Boehnlein wrote: > On Sun, 22 Jan 2006, Steve Totaro wrote: > > > I have a T3 coming from my carrier. From there I want to use an Adtran > > mx2800 T1 Mux to break the T3 into 28 T1/PRI which feed into seven quad > > T1/PRI equipped servers. > > > > Everything seems very straight forward with the exception of the D > > channels for the T1/PRI. > > > > I am not very familiar with large circuits such as T3s. I know that I > > can use one D channel per set of quad port on each server. So if each > > server has a quad port card, I can use one channel as the D channel for > > all four spans. > > > > That gives me seven D channels in my setup. Does anyone know how the > > Mux handles these D channels onto the T3? My guess is the Mux is simple > > going to send all of the channels onto the T3 without modifying > > anything. > > That's correct. The T1 spans on the DS3 are completely independent of the > clocking on the DS3. The D-channel and timing is something that will be > handled by your upstream Telco and the switch that you'll be connecting > to. Or, your own box.. ;) > > > What I would really like to do is have one D channel coming in on the T3 > > and have it split between each of the T1/PRI or even better one D > > channel per quad (I know Asterisk can do that). > > > > Is it possible? > > No. > > > If the Adtran mx2800 cannot do it, is there anther > > product that can. I have looked at the RAD Optimux T3 product but have > > had great experience with Adtran products. The price is the same but > > the Adtran allows for two controller cards so it seems to have more > > built in redundancy. > > > > Any tips would be appreciated. > > Adtran's MX-2800 is our choice for Muxes. They are solid, reliable and > work well. Adtran's technical support is amazing. When you purchase an > MX-2800, you are immediately given access to the Adtran Carrier support > group, which doesn't even blink about sending out an advance replacement > unit overnight if you ask. > _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- Asterisk-Users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
