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-45 cables. I tried cross connecting them,using cross cable in between the extenders. but didnt work. any idea of DB-15 male to DB-15 male connector for cross connection.IF such a cable is availble could anyone give me the details of the cable so that i can buy one for my testing E1 connection.
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