RE: E1 back to back connection [7:59600]

I think this may be a da15 connector. The pairs are 1,9 and 3,11. Can't remember if 1 goes to 3 or 1 goes to 11. Larscom has lots of info on this type of stuff. I suspect you have even a bigger problem. Since this is a channelised board I suspect you will not be able to just connect them back t

RE: E1 back to back connection [7:59600]

Hi Liu Thanks. I tried with this cable but it didnt work. Infact this works for T1 csu/dsu. But here i am using NM-2CE1B on both ends which has DB-15 female. This NM should be supported by external CSU/DSU. But i am trying to connect without csu/dsu for cross connection. I have DB-15 male to RJ

RE: E1 back to back connection [7:59600]

Should be same as T1 cross-over, check out this website http://www.nettonet.com/support/faq/#00084.en-us 1 -> 4 2 -> 5 4 -> 1 5 -> 2 Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=59622&t=59600 --