ESR-Series Documentation EN Archive С ЧИПОМ. ESR-Series. User manual. Firmware version 1.13.0 Current: С ЧИПОМ. ESR technical support С ЧИПОМ. ESR technical support For technical assistance in issues related to operation of Eltex Ltd. equipment, please contact the Service Centre.Feedback form on the website: http://eltex-co.com/support/Sevicedesk: https://servicedesk.eltex-co.ru/Visit Eltex official website to get the relevant technical documentation and software, benefit from our knowledge base, send us online request or consult a Service Centre Specialist in our technical forum:Official site: http://eltex-co.com/Technical forum: http://eltex-co.ru/forumKnowledge base: https://docs.eltex-co.ru/display/EKB/Eltex+Knowledge+BaseDownload center: http://eltex-co.com/support/downloads ×