I am installing am IP Office 500 V2. When you access the configuration via Manager it is seeing the combo boards. It is saying unkown for the trunks and when a phone is plugged into the card it will not light up or anything. What do you do to correct this? I have an 8 station board in the third slot and it is working correctly. It is the 2 combo boards in the first 2 slots that are not working.