How would I find out the ip address and port of a portserver that on my computer? thanks.

Serial Servers & Infrastructure Mangement Portserver TS
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2

This article from our Knowledgebase should help:
http://knowledge.digi.com/articles/Knowledge_Base_Article/Device-Discovery-Troubleshooting-Tips/

3

Here is the user’s guide for setup and configuring ipaddress
http://ftp1.digi.com/support/documentation/90000583_P.pdf