الوصف

SNA***0T 8 Port Gepon OLT System Description:
The SNA**0T is a GEPON OLT system based on IEEE**2.3ah Gigabit EPON standard. It comes with maximum 8 GEPON ports, which can connect up to **2 GEPON ONUs at 1:*4 Fiber Splitting Ratio. It is a Telecom Grade GEPON OLT system designed for ISPs deploying Triple Play Gepon networks to offer high quality Internet Data, Voice and IPTV services ( such as IPTV, VoIP and Data Transmission services) to Subscribers. 


Main Advantages:
ï‚·Support IPv4 and IPv6, suitable for applying in both IPv4 and IPv6 based Networks
ï‚·Support SLA (Service Level Assignment) and DBA (Dynamic Bandwidth Assignment), enhancing QOS.
ï‚·Support main power supply and backup power supply work in 1*1 mode, ensuring high stability of network.
ï‚·Support 1:*4 Fiber Ratio at *0Km transmission distance, can connect up to **2 remote ONUs.
ï‚·Comes with 8 Gigabit Fiber/Ethernet uplink ports, ensuring high bandwidth support for each Gepon Port.
ï‚·Support IEEE**2.1Q VLAN, QinQ, VLAN translation, enhancing highly applicable VLANs for different environments. 
ï‚·Support STP, RSTP, MSTP spanning tree protocols, suitable for applying in different network environments.
ï‚·Support Anti-ARP spoofing/flooding, IP Source Guard, Port Isolation, etc, enhancing security levels.
ï‚·Support IPv4 and IPv6 Multicast, support IGMP V1, V2 and MLD V1, V2
ï‚·Support EAS and EARP based Loop detection, can recover link in *0ms
ï‚·Support LACP based link protection, can recover link in *0ms. 
ï‚·Support Layer 2/3 full line speed for GE and Gepon ports, ensuring no packet losses.



Gepon Parameters:
ï‚·Support IEEE**2.3ah Gigabit Epon standard, 
ï‚·Support *0Km transmission distance over Single Fiber
ï‚·Support 8 Gepon downstreaming ports, support 1:*4 fiber splitting ratio, can connect up to **2 ONUs
ï‚·Support encrypted Triple Churning for upstreaming and downstreaming
ï‚·Support China Telecom Standard CTC 2.0, 2.1, 3.0
ï‚·Support DBA Dynamic Bandwidth Assignation,  
ï‚·Support ONU auto detection and reporting illegal ONU registrations
ï‚·Support auto-inspection for received optical fiber power.
ï‚·Support 1.*5Gbps GEPON transmission, Wavelength of Gepon SC: Uplink: ***0nm, Downlink: ***0nm
ï‚·Support CATV over EPON application, CATV wavelength at ***0nm.
ï‚·Average Optical Transmitting Power for the Gepon SC Port: *2dbm to *7dbm
ï‚·Optical reception sensibility of the Gepon SC Port: **0dBm
ï‚·Max Optical Fiber Ratio: 1:*4 at *0Km transmission distance
ï‚·Support Standard OAM and expandable OAM management features
ï‚·Support upgrading ONUs remotely in batches.



Hardware Features:
ï‚·Fully Compatible with IEEE**2.3, IEEE**2.3u, IEEE**2.3z, IEEE**2.3ah standard
ï‚·Support 8 GEPON SC ports, 1.*5Gbps transmission rate.
ï‚·Support 8* Gigabit SFP uplink interfaces,  
ï‚·Support Hot Swap of GEPON SFP Transceivers
ï‚·Support EAPS fast loopback protection and GEPON Optical Path protection.
ï‚·MAC address table: *6K
ï‚·VLAN Table: *****4
ï‚·Power Supply: Main Power Supply + Backup Power supply
ï‚·AC Power Supply: AC: *0~**4V, *0/*0Hz 
ï‚·DC: **6~**2V
ï‚·SNA***0T 8 Port OLT chassis height: 1U


 

Hardware Specifications:


Model NO.     SNA***0T 8 Port GEPON OLT  
Hardware    Hardware Capacity
    Hardware Standards    IEEE**2.3, IEEE**2.3u, IEEE**2.3z, IEEE**2.3ah standard
    GEPON Ports    8 GEPON SC ports
    Uplink Ports    8 Gigabit SFP or 8 *0/**0/***0Base-Tx combo ports
    Hardware Liablity    Support VRRP host backup
Support Double fault-tolerant backup of host program and configuration files
Support PON card/fan hot-swappable
Support 1*1 main control panel hot backup
Support 1*1 power backup
    Switching Capacity    *2Gbps
    MAC Address Table    *6K
    VLAN Table    *****4
    Hot Swap    ï¬Support Hot Swap of GEPON SFP Transceiver
    Power Supply    ï¬Redundant Power Supply: ******0V AC, *0/*0Hz 
Support optional DC Power Supply
Power Consumption: <*6w
  
Gepon Characters    ï¬Support IEEE**2.3ah Gigabit Epon standard, 
Support *0Km transmission distance over Single Fiber
Support 8 Gepon downstreaming ports, support 1:*4 fiber splitting ratio, can connect up to **2 ONUs
Support encrypted Triple Churning for upstreaming and downstreaming
Support China Telecom Standard CTC 2.0, 2.1, 3.0
Support DBA Dynamic Bandwidth Assignation,  
Support ONU auto detection and reporting illegal ONU registrations
Support auto-inspection for received optical fiber power.
Support 1.*5Gbps GEPON transmission, Wavelength of Gepon SC: Uplink: ***0nm, Downlink: ***0nm
Support CATV over EPON application, CATV wavelength at ***0nm.
Average Optical Transmitting Power for the Gepon SC Port: *2dbm to *7dbm
Optical reception sensibility of the Gepon SC Port: **0dBm
Max Optical Fiber Ratio: 1:*4 at *0Km transmission distance
Support Standard OAM and expandable OAM management features
Support upgrading ONUs remotely in batches.




Software Specifications:











Layer 2 Features    Protocols    IEEE**2.1Q, IEEE**2.1P, IEEE**2.3X, IEEE**2.3ad, IEEE**2.1D, IEEE**2.1W, IEEE**2.1S, IPv4, IPv6
    

VLAN    Support *****4 VLAN entries
Support Port-based/MAC-based/IP subnet-based VLAN
Support Port-based QinQ and Selective QinQ (Vlan Stacking)
Support VLAN Swap / VLAN Remark /VLAN Translation
Suport GVRP Dynamic VLAN registration
Support VLAN add, delete and replace based on ONU service flow.
    




QOS    Support Rate-limit to sending/receiving packet of each port, or user defined flow. Offers general flow monitor and user-defined flow monitor 
Support Prioritized remark to port, or to user defined flow. 
Offers IEEE**2.1P, DSCP priority and Remark
Support CAR (Committed Access Rate), Traffic Shaping and flow statistics
Support Packet mirroring and redirecting of interface or user defined flow 
Support super queue scheduler based on port and user-defined flow. Each port/Flow supports 8 prioritized queues and scheduler of SP,WRR and SF+WRR. 
Offerings congestion avoidance mechanism，Supports Tail-Drop and WRED
    
Spanning Tree    Support IEEE **2.1D Spanning Tree Protocol (STP)
Support IEEE **2.1w Rapid Spanning Tree Protocol (RSTP)
Support IEEE **2.1s Multiple Spanning Tree Protocol instances (MSTP)
Support Remote ONU Loop Detecting alarming
    MAC    Support MAC Black Hole
Support Port MAC Limitation
Offers *6K MAC addresses
    Multicast    IGMP V1, V2, V3, IGMP Snooping, 
    


Access Control List    Support standard and expandable ACL
Support ACL in Time Interval
Support packet filter, Source/Destination MAC filter, Source/Destination IP filter, Port Filter, Protocol Filter, VLAN filter, VLAN range filter, MAC Address range filter, Invalid Frame filter,
Support up to *0 concurrent service traffic identification  
Support packet filtration of L2～L7 in *0 bytes of IP packet head
    
Port    Support Port Based Bi-directional bandwidth control
Static link aggregation and LACP( Link Aggregation Control Protocol )
Support Port mirroring and Traffic mirroring
    

User Security    Support Anti-ARP-spoofing
Support Anti-ARP-flooding
Support IP Source Guard create IP+VLAN+MAC+Port binding
Support Port Isolation
Support MAC address binds to port and port MAC address filtration
Support IEEE **2.1x and AAA/Radius authentication
    


OLT Security    Support Anti-DOS attack (such as ARP, Synflood, Smurf, ICMP attack), ARP
detection, worm and Msblaster worm attack
Support SSHv2 Secure Shell
Support SNMP v3 encrypted management
Support Security IP login through Telnet
Support Hierarchical management and password protection of users
    Network Security    Support User MAC and ARP traffic verification
Support Restrict ARP traffic per user and kick-out user sends ARP traffic
Support Dynamic ARP table binding
Support IP/VLAN/MAC/Port binding
Support L2 to L7 ACL flow filtration mechanism  
Support Port broadcast/multicast suppression and auto-shutdown risky port
Support URPF to prevent IP address from counterfeit and attack
Support DHCP Option *2 and PPPoE+ (Indicating User physical location)
Support plaintext authentication of OSPF,RIPv2, BGPv4 packets and MD5
cryptograph authentication
    
IPv6 Multicast    Support IPv6 SA/DA Classification
Support MLDv2 / MLDv2 Snooping
Support PIM-SMv6、PIM-DMv6、PIM-SSMv6
    
IPv4 Multicast    Support IGMPv1/v2/v3, IGMPv1/v2/v3 Snooping, IGMP Filter
Support MVR and multicast copy over different VLANs
Support IGMP Fast leave, IGMP Proxy
Support PIM-SM/PIM-DM/PIM-SSM,
    
Loop Detect    Support EAPS and GERP (recover-time <*0ms)
Support Loopback-detection
    
Link Protection    Support FlexLink (recover-time <*0ms)
Support RSTP/MSTP (recover-time <1s)
Support LACP (recover-time <*0ms)
Support BFD
    System Reliability    Ensuring reliability with VRRP (Virtual Router Redundancy Protocol)


Management    sFlow    Support RFC***6 sFlow
    Telnet    Support CLI commands for Telnet management
    SNMP    Support SNMP V1, V2, V3
    NMS    Support SNMP based NMS management
    RMON    Support RMON Group 1, 2, 3, 9
    MIB    Support Private and Public MIB
Working Environment    Humidity    Working: *0%～*0% non-condensation / Standby: 5% to *5% non-condensation
    Work Temperature    Working: 0℃ to *5℃ / Standby: **0℃ to *0℃