I have a issue where im trying to install a vwic-1mft-g703 card in a 1841 router. The router doesnt seem to recognise the controller when I go into interface mode. But from what i can see you can fo into configuration and then to card type which is e1. At the end of the config command you are presented with 0-0 card slot number. I just need some help as what ever slot number i enter it doesnt recognise it

Any help will be gladly appreicated