Advantage:
l   GEPON:OLT follows the technical standard of IEEE802.3ah and China telecom. （YD/T 1475-2006）
l   Capacity: Each PON supports up to 64 terminals, the whole device supports up to 512 ONUs under full configuration.
l   Uplink: support electrical and optical modules, can be flexibly configured according to different networking.
l   Dimension: 1U cassette save space, low power consumption and save cost.
l   Optical Line Protection: support automatically switch when the line is debug.
l   High reliability: supports dual power supply(Default single power supply).
 
Feature:
l   Aggregation layer switch. Layer wire-speed forwarding, support for rich layer protocol.
l   8K MAC address table.
l   8uplink ports, port aggregation through the largest available 8G uplink bandwidth.
l   Complete network management functions
l   Support flexible DBA, up and down traffic speed.
l   Support IP ToS, IEEE802.1p.
l   Port-based traffic control, traffic shaping.
l   Support ONU automatic identification, auto-discovery, and auto-registration.
l   Single link to support the automatic loop-back test function.
l   VLAN powerful features, including VLAN Stacking, Trunk, Translation.
l   Flexible and controllable multicast support, support IGMP snooping.

Performance Specification:

Technical items	Description
Switching capacity	32Gbps
Service port	4*PON port,4*GE SFP +4*GE RJ45
PON features	Average output power: +2dbm ~ +7dbm Receiver sensitivity: ≥-28dBm Transmission distance：20 km
split	1:64
layer -2 characteristics	Port storm suppression Support port aggregation Support RSTP fast spanning tree Support QOS Support 802.1x flow control Support port performance statistics Support ring network protection, less than 20MS
VLAN	4K VLAN entries Port-based/MAC-based/IP subnet-based VLAN VLAN Swap and VLAN Remark and VLAN Translate Based on ONU service flow VLAN add, delete, replace
Multicast	IGMPv1/v2/v3 IGMPv1/v2/v3 Snooping IGMP Proxy
Reliability	Loop protection	EAPS and GERP (recover-time <50ms) Loopback-detection
	Device protection	VRRP host backup Double fault-tolerant backup of host program and configuration files PON card/fan hot-swappable
Device management	Command-line interface（CLI）, Console, Telnet Web manage System configuration with SNMPv1/v2/v3 Telnet /Console
CTC standard	Support interconnection and interworking
Power supply	AC:100～240V,50～60Hz ;
Power consumption	≤35W
Outline dimensions (mm) (W*D*H)	440mm(W) x208mm(D) x 44mm(H)
Weight (in maximum configuration)	≤3.4kg
Environmental parameter	Working temperature:0°C～40°C Storage temperature:-40°C～70°C Relative humidity:10%～90%,no condensing