Sycamore Networks

Contact Network Access Products Services & Support

  • e-mail: To receive a response via e-mail, please fill out the Network Access Products Services & Support Form.
  • Phone - Normal Business Hours: Network Access Products technical support from Sycamore Customer Service is available from 8:00 a.m. to 5:00 p.m. Eastern Standard Time during normal business days.
  • Phone - After Hours Emergency: After hours emergency support on DNX products is available on a 7 x 24 basis to customers with a current 2 year warranty and to customers who have an active extended warranty.
  • North America (Toll Free): 877-526-2321
  • Europe (Toll Free): 0080005262321
  • Other International Locations (Toll Call): 978-250-3480