On 31 October 2012 09:32, Hari bamsha Sapkota <sapkota.hari006 at gmail.com>wrote: > If you are talking about real scenario, you should connect it with V.35 > cable...not an smart serial back-to-back cable. > > Hope this helps! > Aren't those back-to-back cables pinned as V.35 crossover internally? Aled