The BL-IEP204-X has a built-in AC 220V power supply that supports DIN rail installation. It is the latest 4-port Gigabit series industrial-grade ONU product developed and launched by Bai-link Communications. This product complies with the ITU-T G.984/988 international standard and the communications industry standard of the People's Republic of China "Access Network Technology-Gigabit Passive Optical Network" standard, and the IEEE 802.3ah international standard, the communications industry standard of the People's Republic of China (YD/T 1475-2006), as well as the CTC2.1/3.0 standard of China Telecom EPON equipment, the PON interface supports both EPON and GPON mode access. The ONU automatically identifies the local OLT mode (GPON or EPON) and activates the corresponding PON mode, thereby completing GPON or EPON adaptive switching access. The BL-IEP204-X has good interoperability and operability, and can realize interconnection with OLT equipment from mainstream manufacturers in the industry. The equipment adopts mature technology and open network standards to adapt to complex high and low temperature difference environments, has strong resistance to electromagnetic interference, earthquake and shake resistance, meets the working environment requirements of different industrial sites, and provides efficient, reliable and fast solutions for the industrial Internet of Things. The equipment is safe, stable and reliable, creating a rock-solid industrial IoT Internet of Things that is suitable for continuous operation in the industrial communications field.

        The BL-IEP204-X series dual-mode industrial-grade ONUs have the characteristics of high reliability, quality of service (QOS) guarantee, easy management, flexible upgrading, expansion and networking. All functions and performance indicators of the equipment meet the ITU-T G.984/988 international telecommunications standard and the communications industry standard of the People's Republic of China "Access Network Technology-Gigabit Passive Optical Network" standard, China Telecom EPON Equipment CTC2.1/3.0 standard and relevant IEEE recommendations, and technical specifications of relevant international standards and industry standards. It has good interoperability and operability, can realize interconnection with OLT office terminals of mainstream manufacturers, and has good compatibility.

        The equipment is designed with mature technology and industry standards. It is simple, fashionable and stable. It is made of high-quality materials. It is resistant to impact and high temperature, has good heat dissipation effect, adapts to complex high and low temperature difference environments, has strong resistance to electromagnetic interference, earthquake and anti-shake, and meets the needs of different scenarios. The working environment requirements provide efficient, reliable and fast solutions for the Data Internet of Things. The equipment is safe, stable and reliable, creating a rock-solid IoT Internet of Things Hub that is suitable for continuous operation in the field of network access communications.

■ Port supports 6kV lightning protection design;

■ High-strength metal sheet metal shell, fanless natural heat dissipation, low power consumption design. Meet the normal operation of a wide temperature range of-40 ℃ to 75℃, and can adapt to various temperature difference environments;

■ Various power input methods, built-in AC power supply, support AC 90~ 264V input;

■ Supports AES128 encryption and decryption functions of the 984.x standard;

■ Support dynamic bandwidth allocation functions (SBA and DBA);

■ Support Layer 2 switching and line-speed forwarding of uplink and downlink services;

■ Support PLOAM and OMCI management in compliance with TU-T G.984.x standard;

■ Supports standard 802.1Q vlan functions and supports VLAN conversion;

■ Support frame filtering and suppression;

■ Support QoS, including traffic flow classification, priority marking, queuing and scheduling, traffic shaping and traffic management;

■ Supports Ethernet port speed limit, loop detection, and Layer 2 port isolation;

■ Support ACL access control based on port, IP, MAC, and VLAN ID;

■ Support IGMP Snooping V1/2/3, controllable multicast VLANs: support 4K VLANs, support QinQ, support Access, Trunk, VLAN Stacking, and VLAN Translation;

■ Support CLI (telnet/SSH/Console) login management method, WEB graphical interface management method, RMON (Remote Monitoring) group MIB, and power outage alarm;

Functional characteristics (HGU mode)

◆ Single fiber access to provide Internet services;

◆ Comply with IEEE 802.3ah and ITU-T G.984/988 protocol standards;

◆ Support ONU automatic discovery/link detection/remote software upgrade;

◆ Support VLAN transparency and label configuration;

◆ Support multicast functions;

◆ Support DHCP/static/PPPOE Internet access mode;

◆ Support Ruter routing mode and Bridge bridging mode;

◆ Support TR069 management

◆ Support port binding;

◆ Support IPv4 and IPv6 functions, DHCP Server functions;

◆ Support data encryption and decryption functions;

◆ Support dynamic bandwidth allocation (DBA);

◆ Support MAC filtering and URL access control;

◆ Support power failure alarm function to facilitate link problem detection;

◆ Special system failure prevention design to maintain system stability;

◆EMS network management is based on SNMP and is easy to maintain;

◆ Support OAM and OMCI management;

Functional characteristics (SFU mode)

◆ Fully compatible with ITU-T G.984/988 using GPON uplink

◆ Fully compatible with China Telecom CTC2.1/3.0 and adopting EPON uplink

◆ Support ONU automatic discovery/link detection/remote upgrade

◆ Support multiple registration methods for SN and id +password

◆ Support port VLAN configuration

◆ Support mac address learning

◆ Support port speed limit

◆ Support port flow control

◆ Support broadcast storm suppression function

◆ Support multicast transparent/snooping/proxy mode

◆ Support remote management configuration

◆ Support DBA

◆ Support AES encryption and decryption

◆ Support layer 3 routing functions

◆ Support unified management of the management platform EMS, making it easy to install and maintain

◆ Provide rich fault alarm functions for easy fault diagnosis