@BarrySWE:
Are you currently using a pc or amiga keyboard with your elbox tower?
If you are using a pc keyboard, the amiga keyboard wont work and should not be connected as pc and amiga keyboards are not compatible.
As pc keyboards, amiga keyboards can also have both 5-pin miniDIN connectors (CD32, A4000D) and 5-pin DIN (A2000, A3000(T) and A4000T). Normal pc keyboard adaptors can be used to change from miniDIN to DIN or DIN to miniDIN with amiga keyboards.
So you can for example take an A2000 keyboard which has a 5-pin DIN connector and buy a pc DIN to miniDIN adapter and use it to connect the keyboard to an A4000D.
But as I said earlier - amiga and pc keyboards are not compatible.
/Patrik