We recommend the DS21352 or the DS21354 as a replacement for the DS2155. The DS21352 is a T1 single chip transciever in a 100-pin LQFP. The DS213524 is a E1 single chip transciever in a 100-pin LQFP.
We recommend the DS21352 or the DS21354 as a replacement for the DS2155. The DS21352 is a T1 single chip transciever in a 100-pin LQFP. The DS213524 is a E1 single chip transciever in a 100-pin LQFP.