This is for those of you who may be in a similar situation as my office is and have to deal with the IT and/or Telecom departments:
This is a very basic guide to IT and Telecom cabling;
http://www.jimhayes.com/uncleted/index.html
This is an extremely exhaustive online dictionary about telecom, IT and networking;
http://www.linktionary.com/index.htm
.