It sounds as though you have three devices:
1.pfSense box with 2 interfaces
Is that correct?
Yes, that is correct.
The pfSense LAN interface is given the IP 192.168.1.1 by default. This is the interface and IP address you use to connect to the box for admin.
If you haven't connected to the pfSense web admin page yet the WAN interface will not have an IP as you haven't set it up. The WAN interface should be connected to your cable modem and, when correctly configured, will receive it's IP from your ISP.
after some experimenting, I finally got both the wan and lan addresses and I was able to log onto the web admin page.
Are you using the router just to provide more ports for connecting devices?
yes, there are 3 other computers connected to the router (one is wirelessly), plus 2 wireless printers.
The first thing you should do is connect a computer directly to the LAN interface of pfSense. The computer should then be given an IP address by pfSense in the 192.168.1.X range and that will allow you to connect to the web GUI. In the unlikely event that both NICs in the computer and the pfSense box are quite old you may need to use a cross over cable to connect directly. However almost all network equipment can use a normal cable these days.
Yes, I had figured out I should bypass the router for ease of use, but figured my problem at the same time. My router was 192.168.1.1 and so was psfense box. Once I changed my router to 192.168.1.2 I was able to logon web admin page. gave up last night after not being able to surf the internet with any computer, and will bypass the router today.
I do have a question on the router. Should I connect pfsense to the WAN port? or should it use the other LAN ports on the router instead?
My NIC is a Dell 09213P Intel Pro100 dual port server LAN card. It seems fine so far.
Thanks for the help. and now I'll be offline for a while trying to get this pfsense configured for online use.