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EPON OLT LE4(4*EPON + 4*GE ETH + 4*10G SFP+)

LE4 is a small-capacity 1U box EPON OLT series. It uses the industry-leading commercial chip to fully support the IEEE802.3ah ...

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EPON OLT LE4(4*EPON + 4*GE ETH + 4*10G SFP+)

Overview    LE4 is a small-capacity 1U box EPON OLT series. It uses the industry-leading commercial chip to fully support the IEEE802.3ah EPON technology standard and meets the EPON OLT equipment requirements of YD/T 1945-2006 Technical requirements for access network. It can realize ONU hybrid networking of different manufacturers and has good interoperability. The LE4 system has good stability and high reliability. It supports multiple management modes such as CLI, WEB & SNMP. The graphical management interface is clear, friendly and easy to use. LE4 provides 4 downstream EPON ports,4*1000Base-T uplink ETH ports and 4 Uplink SFP+ ports.LE4 adopts the industrial advanced technology, with powerful Ethernet services. It is suitable for Broadcast three in one, video surveillance network, enterprise LAN, Internet of things, etc. Each EPON port supports Up to 1:64 Split ratio, total up to 256 EPON users, supporting different types of ONU in different networks, minimizing operators' investments. The 1U height can be easy to install and maintain. It is an excellent choice for operators to quickly deploy FTTH networks. Features         ● Applicable to county and town level fiber optical network access and monitoring transmission, meets FTTH requirements to provide complete access to IP telephony, broadband data, IPTV, etc.
        ● Provides 4 downstream EPON ports, 4*1000Base-T uplink ETH ports and 4 Uplink SFP+ ports.
        ● Maximum support 256 ONT(1:64 splitter).
        ● Provides configuration for RS232 serial port (RJ45) and management for external network port.
        ● Supports CLI command line.
        ● Supports L2 exchange, L3 basic routing function, 4G switching broadband.
        ● Under the 1:32 splitter, the distance between the OLT and the ONU can reach 20km.
        ● Support WEB management and SNMP management, integrated switch function
        ● 1U rack mount, built-in cooling fan, good heat dissipation, stable operation. Technical Specifications

General
Item		LE4
Dimension		440mm309mm44mm
Weight		2.5kg
Data interface		4 downstream EPON ports,4*1000Base-T uplink ETH ports and 4 Uplink SFP+ ports
Management		1*10/100Base-T RJ45 port, with management
Indicator light		RUN: system is running ALM: system alarms PWR: power indicator EPON1-EPON4: PON port link status 4GE: ETH uplink port link status 4XG: SFP+ uplink port link status
Power supply		AC: Input 90～264V
Operation		working temperature:-5℃〜+50℃ working humidity:10％-90%(non-condensation)
Software features
EPON	IEEE 802.3ah standard, CTC 2.0/2.1/3.0 standard Support standard OAM and extended OAM High splitting ratio, each PON port supports 64*ONUs Maximum transmission distance 20KM Support uplink FEC, downlink FEC(forward error correction) Bandwidth allocation mechanism 5 T-CONT bandwidths Static bandwidth allocation Dynamic bandwidth allocation
MAC	MAC Black Hole Port MAC Limit
VLAN	4K VLAN entries Port-based/MAC-based/IP subnet-based VLAN Port-based QinQ and Selective QinQ(Stack VLAN) VLAN Swap and VLAN Remark and VLAN Translate Based on ONU service flow VLAN add, delete, replace
L2 Protocol	STP, RSTP, MSTP
Port	Bi-directional bandwidth control Static link aggregation and LACP(Link Aggregation Control Protocol) Port mirroring and traffic mirroring
L3 Protocol	OSPF, IS-IS, BGP
User Security	Anti-ARP spoofing Prevent ARP flooding IP Source Guard create IP+VLAN+MAC+Port binding Port Isolation MAC address binds to port and port MAC address filtration IEEE 802.1x and AAA/Radius authentication DHCP anti-attack flood attack automatic suppression ONU isolation control
Device security	Anti-DOS attack(such as ARP, Syn flood, Smurf, ICMP attack),ARP detection, worm and Ms-blaster worm attack SSHv2 Secure Shell SNMP v3 encrypted management Security IP login through Telnet Hierarchical management and password protection of users
Network security	User-based MAC and ARP traffic examination Restrict ARP traffic of each user and force-out user with abnormal ARP traffic Dynamic ARP table-based binding Supports IP+VLAN+MAC+Port binding L2 to L7 ACL flow filtration mechanism on the 80 bytes of the head of user-defined packet Port-based broadcast/multicast suppression and auto-shutdown risk port URPF to prevent IP address counterfeit and attack DHCP Option82 and PPPOE+upload user’s physical location Plain-text authentication of OSPF/RIPv2 and MD5 cartography authentication
IPv4	ARP Proxy DHCP Relay DHCP Server Static route
IPv6	ICMPv6 ICMPv6 redirection DHCPv6 ACLv6 Configured Tunnel 6to4 tunnel IPv6 and IPv4 Tunnels
ACL	Standard and extended ACL Time Range ACL Packet filter providing filtering based on source/destination MAC address, source/destination IP address, port, protocol, VLAN, VLAN range, MAC address range, or invalid frame. System supports concurrent identification at most 50 service traffic Support packet filtration of L2～L7 even deep to 80 bytes of IP packet head
QoS	Rate-limit to packet sending/receiving speed of port or self-defined flow and provide general flow monitor and two-speed tri-color monitor of self-defined flow Priority remark to port or self-defined flow and provide 802.1P, DSCP priority and Remark CAR(Committed Access Rate),Traffic Shaping and flow statistics Packet mirror and redirection of interface and self-defined flow Super queue scheduler based on port and self-defined flow. Each port/flow supports 8 priority queues and scheduler of SP, WRR and SP+WRR. Congestion avoid mechanism, including Tail-Drop and WRED
Multicast	IGMPv1/v2/v3 IGMPv1/v2/v3 Snooping IGMP Filter MVR and cross VLAN multicast copy IGMP Fast leave IGMP Proxy MLDv2/MLDv2 Snooping
Loop protection	EAPS and GERP(recover-time<50ms) Loop-back detection
Link protection	Flex-Link(recover-time<50ms) RSTP/MSTP(recover-time<1s) LACP(recover-time<10ms)
Device protection	Double fault-tolerant backup of host program and configuration files 1+1 power hot backup
Network maintenance	Telnet-based statistics RFC3176 sFlow LLDP 802.3ah Ethernet OAM RFC 3164 BSD syslog Protocol Ping and Traceroute
Device management	Web management Console/Telnet, Command-line interface（CLI） Upgrade via FTP System configuration with SNMPv1/v2/v3 RMON(Remote Monitoring) Support SNTP network time protocol

Network diagram