Contacting TC Support

TC Communications offers comprehensive technical support from its corporate headquarters in Irvine, California. Our support team is available to help with any questions or issues with your products Monday through Friday (excluding major holidays) from 8:30 AM to 5:00 PM (PST).

Call: (949) 852-1972 or Email:

Monday through Friday
8:30 AM to 5:00 PM (PST)

3 things to have on hand:

Although this information is not always necessary to support you, it can often help resolve the issue more quickly.

1. Product serial number

Typically located on the side or back of the unit or directly on the interface card itself.

The serial number helps us identify a lot of information like manufacture date, software and design versions, original ship dates, etc.

2. Connection diagram

Knowing what type of network your devices are connected on and the devices connected to the TC product can help our support team understand how the device is being used and quickly identify.

3. Network information

For JumboSwitch® products, additional information about the network like priority settings, packet delay, packet delay variation, packet loss, etc.

Manual requests

Manuals are available for each JumboSwitch product in portable document format (PDF) on our Support Site. For additional manual(s), contact your sales representative or TC Communications Support by phone or send an email to .

Learn more about our Support Site

Additional information

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.