... . Power, <5W GEPON ONU Device Optical Modem————OP-EU400111. Product Overview OP-EU40011 a four-ports corridor type ONU, to provide ... dust, lightning protection, wide temperature, high reliability requirements. OP-EU40011 support 1G symmetric uplink and downlink transmission rate, and ... services to users, reliable QOS service.2. Features (1). OP-EU40011 is a pure data-based ONU (2). IEEE802.3ah ...