OLT is a equipment integrating L2/L3 switch function in GEPON system. In general, OLT equipment contains rack, CSM (Control and Switch Module), ELM (EPON Link Module, PON card), redundancy protection -48V DC power supply modules or one 110/220V AC power supply module, and fans. In these parts, PON card and power supply support hot swap while other module is built inside. The main function of OLT is to control the information float across the ODN, going both directions, while being located in a central office. Maximum distance supported for transmitting across the ODN is 20 km. OLT has two float directions: upstream (getting an distributing different type of data and voice traffic from users) and downstream (getting data, voice and video traffic from metro network or from a long-haul network and send it to all ONT modules on the ODN.
- Carrier grade medium capacity OLT offers comprehensive services including broadband networking, audio, IPTV, TDM and etc.
- Support 1.25Gbps and 10Gbps uplink.
- 2.5U rack compact design with high density of maximum 16 EPON ports all on the front.
- Support one master-control panel, one uplink panel, one power panel and 4service panels.
- Support dual (AC and DC) power supply for redundant backup, and UPS charging and alarm system.
- Support flexible controllable multicast, including PROXY, SNOOPING and etc.
- Support rich VLAN expansion functions including VLAN stacking/Trunk/Translation and etc.
- Support flexible DBA, data speed limit of uplink and downlink with accuracy of 0.2% (standard <5%).
- Support multi QoS guarantee based on LLID-802.1p.
Configuration |
Module | Quantity | Description |
Chassis | 1 | OLT Chassis(include 10 Gbits backboard) |
SWA | 1 | 1 FE port, 1 debug serial ports, support hot swap, 10Gbps non-blocking data transmission |
| 4 | Support hot swap, comply with IEEE802.3 2005 EPON standard, transmission distance: 20km (exclude the optical module) |
Uplink Interface Module (HUP) | 1 | Support hot swap, support 4SFP+1XFP (exclude the optical module) |
| 1 | Support hot swap |
| 1 | Support hot swap, AC 220V/DC 48V (with UPS charger). Dual power supply for redundancy backup. |
Hardware Features |
Device Parameter | Dimension | 440 * 103 * 325 (L * H * W) |
Weight | 13Kg |
Power consumption | ≤300W |
Operating Condition | Temperature:0°C ~ +55°C; Humidity:10%-90% non-condensing |
Storage Condition | Temperature:-25°C ~ +70°C; Humidity:10%-90% non-condensing |
Power Supply | DC | 36 ~ 75V |
AC | 176 ~ 264V |
Device Interface | Uplink Ethernet Interface | 1 piece of 10GE (XFP connector), 4 pcs of GE ports(SFPconnector) |
EPON Port | 16 EPON SFP ports |
Console debug serial port | 1 piece, comply with RS232 standard |
External Management Interface | 1 piece, comply with 100Base-TX standard |
Monitor & Alarm Interface | 1 piece, comply with RS485 standard (support monitoring the status of brand and node) |
| 10 Gbits backboard (Bandwidth of backboard: 60Gbps), non-blocking wire-speed data transmission, 16K MAC address list, support 2K multicast list, support 4K VLAN (802.1Q), 1 10GE port, 4 uplink GE ports which support trunk function (IEEE502.ad), Max. support 5 trunks, support port mirroring of output port. |
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