Yes, It is. The HP's KVM adapters also not compatible with FSC KVM adapters.
<P> <BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Omiar:<BR><B>i have the same KVM S2 purchaed from FSC and an standared adapter from Avocent don't work with the FSC KVM S2, because the PS2 adapter from FSC have a other firmware and works only with the FSC KVM S2.<P><BR> </B><HR></BLOCKQUOTE><P>