All DigiLink and InfinityLink chassis and modules and FiberLink units come equipped with diagnostic LEDS that can help determine the origin of many problems.
Please refer to your DigiLink, InfinityLink, or FiberLink manuals or Quick Start Guides, or review our online Troubleshooting Tips.
If you need further assistance, please contact Artel at +1 978-263-5775, email us at customercare@artel.com.