
Revolutionize Your Network with AirLive GPON OLT-121 Built-in GPON module for lightning-fast speeds, enhanced reliability, and streamlined network management. Benefits for Your Business Plug and play, Built-in GPON Transmitter. Ease of Installation, Designed with simplicity in mind, the GPON OLT-121 can be set up quickly, reducing downtime and operational costs. Interoperability: Complies with ITU-T G.984/G.988 standards, ensuring compatibility with other GPON-compliant equipment. Cost-Effective: A cost-efficient solution that offers flexibility for network deployment without compromising on quality or performance. The AirLive GPON OLT-121 is not just a product; it's a promise of reliability, efficiency, and high performance for your network. Embrace the future of connectivity and give your customers the experience they deserve. The GPON OLT-121 can manage up to 128 ONU devices in a fiber broadband network. Its ease of installation and maintenance make it an attractive option for small to medium-sized deployments. The GPON OLT-121 is designed for use in FTTH (Fiber-to-the-Home) and small business applications with its single PON port with a splitting ratio of 1:128. It can transmit data up to a distance of 20KM and has high uplink and downlink bandwidth capabilities of 1.25Gbps/2.5Gbps. It also includes a 10G SFP+ Uplink port.

Integrated Optics: Features a high-quality Built-in PON optic module, reducing the need for external transceiver installation.
Versatile Port Configuration:
1 × PON Port: Dedicated for high-density fiber distribution.
1 × 10G SFP/SFP+ Port: High-speed uplink for backbone connectivity.
2 × 1G RJ45 Ports: Standard copper uplinks for local management or server connections.
Asymmetric Bandwidth: Optimized for modern internet usage with 2.488 Gbps Downstream and 1.244 Gbps Upstream.
High Split Ratio: A single PON port is capable of supporting up to 128 ONUs (Optical Network Units), making it highly cost-effective for residential or commercial buildings.

GPON OLT-121 offers a complete, end-to-end network infrastructure application products for FTTX networks. From the CO to the customer premises, regional carriers, independent operators, municipalities, Multiple System Operators (MSOs), utilities, and developers worldwide have tapped the experience and innovation to build their FTTX networks.

Triple Play Excellence: Seamlessly deliver 4K HDTV, VoIP, and ultra-fast data over a single fiber.
Gigabit Performance: Blazing speeds of up to 2.5Gbps downstream and 1.25Gbps upstream for lag-free multimedia.
Massive Reach: Reliable connectivity across distances up to 20KM, perfect for expansive urban or rural deployments.
Ultimate Scalability: Effortlessly manage up to 128 ONUs per port to grow with your subscriber base.
Next-Gen Ready: Future-proof your infrastructure with a high-capacity 10G SFP+ uplink.
| Hardware | |
| Model | AirLive GPON OLT-121 |
| Device Interface | •PON Port: 1x 1.25Gbps/2.5Gbps •Uplink: 2x 1G RJ45 •Uplink: 1x 10G SFP+ •Console: 1 x USB-COM Type C port •Fiber Type: 9/125μm SM •Connector: SC/UPC, Class C+++ Class C+++ : TX>7.5dBm, Sen: -33dBm •Support ONUs:128 •GPON port speed: Upstream 1.244Gbps, Downstream 2.488Gbps •Wavelength: TX 1490nm, RX 1310nm •Max splitting ratio: 1:128 •Transmission Distance: 20KM •Backplane Bandwidth: 16Gbps •Port Forwarding Rate: 23.808Mpps •Management Mode: Console/WEB/Telnet/CLI/SNMP •Lightning protection level: Power supply 4KV/Device Interface 1KV |
| Firmware features | |
| Management Function | Telnet ,CLI, WEB, SNMP Port Status monitoring and configuration management Online ONU configuration and management User management Alarm management |
| Layer2 Switch | 1K Mac address Support 4096 VLANs Support port VLAN Support VLAN tag/Un-tag, VLAN transparent transmission Support VLAN translation, QinQ and P2P Support storm control based on port Support port isolation Support port rate limitation Support 802.1D and 802.1W Access control list IEEE802.x flow control Port stability statistic and monitoring |
| Multicast | IGMP Snooping 256 IP Multicast Groups |
| DHCP | Support DHCP server, DHCP relay, DHCP snooping Support DHCP option82 Support DHCPv6 server,DHCPv6 relay |
| Layer 3 Route | Support dynamic/static ARP Support WAN (DHCP/PPPOE/Statics) Support static routing, NAT, DMZ Support QoS based on DSCP, MAC, IP, L4 port, protocol, etc. Support ACL based on source MAC address, source IP address, source L4 port, destination IP address, destination L4 port, protocol type, etc. |
| IPv6 | Support IPv6 Ping, IPv6 Telnet, IPv6 routing Support ACL based on source MAC address, source IPv6 address, source L4 port, destination IPv6 address, destination L4 port, protocol type, etc Support IPv6 SLAAC Support MLD v1/v2 snooping (Multicast Listener Discovery snooping) |
| PON Function | Tcont DBA Gemport traffic In compliant with ITU-T984.x standard Up to 20KM transmission Distance Support data encryption, multi-cast, port VLAN, separation, etc Support ONT auto-discovery/link detection/remote upgrade of software Support VLAN division and user separation to avoid broadcast storm Support power-off alarm function, easy for link problem detection Support broadcasting storm resistance function |
| Power Consumption | |
| Power | • DC 12V/2.5A (Optional) • AC 100~240V, 50/60Hz (Default) |
| Environment | |
| Working Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +70°C |
| Relative Humidity | 5%~95%, non-condensing |
| Fan | 1x Built in FAN |
| MTBF | 200000 hrs. |
| Model | GPON OLT-121 AirLive GPON OLT-121 1 PON Port GPON OLT with 10G SFP+ |
| Standard Package | |
| Product Size | 21.0(L) x 17.3(W) x 4.36(H) cm |
| Package Size | 35.0(L) x 26.0(W) x 7.0(H) cm |
| Package Weight | N.W: 1.282kg G.W: 1.667kg |
| Package Content | 1 x Device, 1 x Power Cable |
| Carton Package | |
| Quantity | PCS / 1 Carton |
| Dimensions | (L) x (W) x (H) cm |
| Weight | kg |
| Name | Description | Download | Date |
| GPON OLT-121 v2 QIG | AirLive GPON OLT-121 with USB-C Console Port. | 2025/06/27 | |
| GPON OLT-121 QIG | AirLive GPON OLT-121 with RJ-45 Console Port. | 2023/08/17 |
| Name | Description | Download | Date |
| GPON OLT-121 User Guide V2.0 | V2.0 (for FW1.1.1 or higher) | 2024/10/11 | |
| GPON OLT-121 User Guide V1.0 | V1.0 | 2023/08/22 | |
| GPON OLT-121 CLI User Guide | 2024/09/04 |
| Name | Description | Download | Date |
| GPON OLT-121 Spec Sheet | 2025/06/24 |
| Name | Description | Download | Date |
| GPON OLT-121 CE | 2023/08/08 |
| Name | Description | Download | Date |
| GPON OLT-121 Firmware V1.1.2 | Version V1.1.2.20241011 | 2024/10/11 | |
| GPON OLT-121 Firmware V1.1.1 | Version V1.1.1.20240514 Add Layer 3 functions | 2024/07/16 | |
| GPON OLT-121 Firmware V1.0.8 | Version V1.0.8.20230728 | 2024/01/10 |
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