We need the devices that the dongle is going to use to comunicate with other devices. You have to execute the following commands:
mknod /dev/ircomm0 c 161 0 mknod /dev/ircomm1 c 161 1 mknod /dev/irlpt0 c 161 10 mknod /dev/irlpt1 c 161 11 mknod /dev/irnet c 10 187