JP1 Remotes

Here goes attached the other part of the remote, the IC marking is:

3104 208 83741
rc1680-1600-02
2H65k
[Motorola logo](M) ctcthk0323

http://img210.echo.cx/img210/1546/urc1610front5qx.jpg

I need to know if this remote from a Sky Digibox, an URC-1610-10, which does not have any obvious JP1 connection.Anyone knows how to hook this remote for Jp1?
A picture from it is attached:

http://img177.echo.cx/img177/4479/urc161011el.jpg