Chima Technologies Co.,Limited

China Manufacturer with main products: Gepon ONU, Gepon OLT, VoIP phone, PBX, VoIP ATA, POE Ethernet Switch, Gigabit Media Converters, Fiber Optic Switch

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8 Port Gepon OLT (SNA8800TSystem)

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SNA8800T 8 Port Gepon OLT System Description:
The SNA880T is a GEPON OLT system based on IEEE802.3ah Gigabit EPON standard. It comes with maximum 8 GEPON ports, which 
can connect up to 512 GEPON ONUs at 1:64 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:
Support IPv4 and IPv6, suitable for applying in both IPv4 and IPv6 based Networks
Support SLA (Service Level Assignment) and DBA (Dynamic Bandwidth Assignment), enhancing QOS.
Support main power supply and backup power supply work in 1+1 mode, ensuring high stability of network.
Support 1:64 Fiber Ratio at 20Km transmission distance, can connect up to 512 remote ONUs.
Comes with 8 Gigabit Fiber/Ethernet uplink ports, ensuring high bandwidth support for each Gepon Port.
Support IEEE802.1Q VLAN, QinQ, VLAN translation, enhancing highly applicable VLANs for different environments. 
Support STP, RSTP, MSTP spanning tree protocols, suitable for applying in different network environments.
Support Anti-ARP spoofing/flooding, IP Source Guard, Port Isolation, etc, enhancing security levels.
Support IPv4 and IPv6 Multicast, support IGMP V1, V2 and MLD V1, V2
Support EAS and EARP based Loop detection, can recover link in 50ms
Support LACP based link protection, can recover link in 10ms. 
Support Layer 2/3 full line speed for GE and Gepon ports, ensuring no packet losses.

Gepon Parameters:
Support IEEE802.3ah Gigabit Epon standard, 
Support 8 Gepon downstreaming ports, support 1:64 fiber splitting ratio, can connect up to 512 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 1.25Gbps GEPON transmission, Wavelength of Gepon SC: Uplink: 1310nm, Downlink: 1490nm
Support CATV over EPON application, CATV wavelength at 1550nm.
Average Optical Transmitting Power for the Gepon SC Port: +2dbm to +7dbm
Optical reception sensibility of the Gepon SC Port: -30dBm
Max Optical Fiber Ratio: 1:64 at 20Km transmission distance
Support Standard OAM and expandable OAM management features
Support upgrading ONUs remotely in batches.

Hardware Features:
Fully Compatible with IEEE802.3, IEEE802.3u, IEEE802.3z, IEEE802.3ah standard
Support 8 GEPON SC ports, 1.25Gbps transmission rate.
Support 8  Gigabit SFP uplink interfaces,  
Support Hot Swap of GEPON SFP Transceivers
Support EAPS fast loopback protection and GEPON Optical Path protection.
MAC address table: 16K
VLAN Table: 1-4094
Power Supply: Main Power Supply + Backup Power supply
AC Power Supply: AC: 90~264V, 50/60Hz 
DC: -36 to -72V
SNA8800T 8 Port OLT chassis height: 1U

Software Specifications:
Layer 2 Features Protocols IEEE802.1Q, IEEE802.1P, IEEE802.3X, IEEE802.3ad, IEEE802.1D, IEEE802.1W, IEEE802.1S, 
IPv4, IPv6

VLAN Support 1-4094 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 IEEE802.1P, 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 802.1D Spanning Tree Protocol (STP)
Support IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
Support IEEE 802.1s Multiple Spanning Tree Protocol instances (MSTP)
Support Remote ONU Loop Detecting alarming
MAC Support MAC Black Hole
Support Port MAC Limitation
Offers 16K 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 50 concurrent service traffic identification  
Support packet filtration of L2~L7 in 80 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 802.1x 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 82 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

Loop Detect Support EAPS and GERP (recover-time <50ms)
Support Loopback-detection

Link Protection Support FlexLink (recover-time <50ms)
Support RSTP/MSTP (recover-time <1s)
Support LACP (recover-time <10ms)
Support BFD
System Reliability Ensuring reliability with VRRP (Virtual Router Redundancy Protocol)

Management sFlow Support RFC3176 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: 10%~90% non-condensation / Standby: 5% to 95% non-condensation
Work Temperature Working: 0 to 65degreen centigrade / Standby: -20 to 70degree centigrate

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