I don't believe the chat thing on their site is connecting to the same place. Web based chat apps have seldom worked right for me anyway. I still use mirc after all these years.
Going to give it a try for a while tonight on the scifi server. I might be away from the keyboard at times, so make yourselves at home! :)
Server: irc.scifi-fans.net
Ports 6660-6668,7000
Try joining "OriginalTrilogy"