The q-sig card for the realitis/isdx systems is a relitively new peice of equipmen. It consists of a single card and has two ports.
The first port can be cofigured as a dass/dpnss/isdn30 pcm link of 30 channels, the second port is configured via the isdx as a dpnss/q-sig port only. After programming the second port on the realitis/isdx, you have to configue the q-sig side of the second port via a dedicated programming interface on the card itself. This consists of a 9 pin D section serial port into which you can connect a laptop/dumb terminal. The q-sig side of the second port consists of CORNET -Q translator. This is siemens own q-sig translator and is unique to the isdx/realitis/hipath.