Quick links Return Merchandize Authorization (RMA) Register product Spec sheet User manual Helpful resources Filter Cancel Language English (2) 中文 (1) Français (2) Español (1) Deutsch (1) Clear all Spec sheet RTU-2 – Remote fiber testing and monitoring (RFTM) Download User manual RTU-2 Download Let’s keep in touch! Get the latest news on network testing, monitoring and analytics. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Thank you!