Call: (949) 852-1973 or Email:

Monday through Friday
8:30 AM to 5:15 PM (PST)

Support is available in English, Spanish or Mandarin. TC offers comprehensive technical support from its corporate headquarters in Irvine, California. It includes assistance with planning, installation & troubleshooting issues.

If a troubleshooting situation arises, TC will make every effort, including providing advance product replacement, to keep a customer's network in full operation.

Manuals are supplied with each JumboSwitch® product in portable document format (PDF). For additional manual(s), contact your sales representative or TC Communications Support by phone or e-mail (see above).

Training and Education

TC Communications offers training sessions tailored to meet our customers' level of expertise and specific JumboSwitch® application. Sessions run from one to three days. Contact us for more details.

Frequently Asked Questions

Check this page for common questions on TC Communications and JumboSwitch®, our industrial Gigabit Ethernet modular switch products.

Warranty & Return Policy

All TC Communications products are covered by a five year warranty. Product returns must be pre-approved by our Customer Service Department and accompanied by a Return Material Authorization (RMA) number.


A handy glossary of networking terms can be found here.