THK-E8220T is a Large scale office end OLT device of FTTX telecommunication
level independently researched and developed by THK Company;
it conforms to IEEE802.3-2005 standard and the technical requirement V2.1 specification for EPON device of China Telecom;
it can provide user with access to comprehensive services such as broadband, voice, IPTV and CATV.

Product features:

High density, flexible networking

PON maximum support 8 boards, each board has 4 PON port, Up to 32 PON ports can be supported in the complete machine

Highly reliable case, strong adaptive capacity to environment

8U case, modular design, all modules can be hot pl ed, and online update is supported

Redundant power, redundant fans

Good shielding measures.

Layer 2 aggregation switching

Layer 2 wire-speed forwarding; support rich layer 2 protocols

8K MAC address list in Leaflets PON board

32 uplink ports, support up to 4G uplink bandwidth via port aggregation function

Uplink port supports electronic port modules and optical port modules, which can be configured flexibly as required

Perfect network management function

Support GUI based graphical interface and WEB interface management

Support in-band management, out-of-band management

Support online upgrade of device software

Strong QOS function

Support flexible DBA, uplink and downlink traffic rate-limited

Support IP ToS, IEEE802.1p

Port based traffic control, traffic shaping

Rich OAM function

Support ONU automatic identification, automatic finding, and automatic registration

Support the function of automatic loop back test to single link

Strong VLAN function, including VLAN Stacking, Trunk, Translation, flexible QINQ Support flexible controllable multicasting, support IGMP snooping

Port features:

32 PON ports (1.25G)

32 uplink ports (1G) (electronic ports and optical ports options)

1 management ports (special software management)

　 8 console port(Leaflet PON board has a console port)

Each PON board has a management port

Physical features:

Frame: 19 inches 8U height

Physical dimension:485*360*360 (L*W*H, unit: mm)

Power supply: AC 100-240V or -48V Power consumption: 200W

Temperature:

Working temperature: 0~45℃

Storage temperature: -30~60℃

Relative humidity: 10~90% (non-condensing)