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BD-OLT-4000L is designed for chassis OLT device which provides 4 downlink GE- PON ports, 4 uplink GE SFP ports and 2 10/100/1000M RJ45 ports. The height is only 1U for easy installation and space saving. Each PON supports up to 64 terminals, the whole device supports up to 256 ONUs under full configuration. BD-OLT-4000L is applied for commercial and grid network digital management to provide perfect, smart, strong, advanced, professional solutions for “automatic distribution” and “electricity information collection” in the implemented project for the national grid.

Features：

Carrier-class stability and network resiliency

• Support PON fiber redundancy protection and device redundancy protection protocol
• Dual power supply input and power redundancy
• All PON and GE ports provide L2 full-line speed without losing packets

Full PON service

• Each PON support 1:64 splitting ratio ( The maximum quantity of 64 ONU)
• Hot plug PON fibber module design, the farthest 40Km transmission distance
• Support 128bits triple churning function to ensure the confidential for the data transmission
• Support dynamic bandwidth distribution DBA algorithm

Powerful OAM

• Use packet forwarding based on hardware to be effective for feature detection and packet filtering
• Support auto protection and user blocking for ARP attack based on MAC address

  Item	BD-OLT-4000L
  Switching capacity	32Gbps
  Service port	4*PON，4*GE SFP+2 10/100/1000M BASE-T
  Redundancy design	Dual power supply, support AC input
  Power supply	AC：90～260V，47～63Hz ；
  Power consumption	≤25W
  Outline dimensions (mm) (W*D*H)	340mm×220mm×44mm
  Weight (in maximum configuration)	≤3kg
  Environmental parameter	Working temperature：0°C～45°C Storage temperature：-40°C～70°C Relative humidity：10%～90%，no condensing

  Business Features:

  Item	BD-OLT-4000L
  PON features	IEEE 802.3ah EPON China telecom/Unicom  GEPON standard 20Km for single fibber Access 64 terminals for single fibber PON Uplink and downlink triple churning encrypted function ONU terminal legitimacy certification, report illegal ONU registration DBA algorithm Standard OAM and extended OAM ONU batch software upgrade, fixed time upgrade, real time upgrade PON transmit and inspect receiving optical power
  L2 features	4K MAC address 4K VLAN entries Port-based QinQ and Selective QinQ (StackVLAN) ONU remote loop detecting alarm Bi-directional bandwidth control
  Security features	Port Isolation MAC address binds to port and port MAC address filtration
  Reliability	Loopback-detection Double fault-tolerant backup of host program and configuration file 1+1 power hot backup
  Maintenance	Telnet-based statistics 802.3ah Ethernet OAM Ping Command-line interface（CLI）, Console, Telnet and LCT configuration System configuration with SNMP