9600 8-N-1
USb or AUX
You don't have wireless network cards you have to buy it or you have to get a lan cable(s). After that connect your router to the modem if you have it. And connect all your computers to the router. Usually default settings allow you to work with internet and inside network without any correction of default settings. After that restart your modem (if you have it) and restart your router. Then Start->Run->cmd, press enter. ping (one of your computer's Ips), for instance, ping 192.168.1.3 If it doesn't work out you have to configure DHCP server for your router, but it's already another question.
Yes, it's possible unless your router was configured to not allow to change settings for wireless connections (some routers have such option because of security considerations). Anyway you need to find out IP address for your router and start you favorite internet browser. You should put the IP address in the address bar and press Enter. It will bring you to the access page of your router. In order for you to access router's settings you need to know username and password for current administrator.
You have couple of choices. First is to connect your router to existing network using a cable. And then configure secured wireless network using your router settings. Second is to connect using Bridge configuration. You might run in problems with Bridge due to compatibility issues. You even will have change firmware to DD-WRT (if your router is compatible). Once you set Bridge then you go to router settings and configure secured wireless. And here you might run in problems too because you are basically extending non-secured network in a secured. A lot of routers will not allow you to do that.
Check security setting for wireless network in your router settings. Some routers allow to see the key, some mask it with asterisks. If your router masks the key (in router settings), you have to put a new key, if you want to connect more computers.
it would allow someone into your network and from there they may be able to change your router settings
To connect to a cisco 1800 series router, you need either a network connection that goes to the router, and then you would configure the router to allow telnet or you would need a console cable, also called a rollover or cisco cable and physical access to the device.
The default speed is 9600.
You will need to configure outgoing email settings in central admin to allow receiving email notifications.
no they have to be allowed to access the network.
To view system messages when telnetting, you must enter the terminal monitor command.
9600 bps is the default for most platforms.