Second-hand FTTH GPON ONU GM222G 1GE+3FE+2.4G XPON Single Band FTTH Solutions OLT Best Price

Technical specifications

The AI222G is a highly integrated, dual-mode XPON (GPON/EPON) Optical Network Terminal designed specifically for FTTH (Fiber-to-the-Home) and SOHO applications. It combines high-speed data, VoIP, and dual-band Wi-Fi (2.4GHz & 5GHz) into a compact device, providing stable and full-featured broadband services for residential and small office users.

1. Key Features

1.1 XPON Standard & Performance

• Complies with ITU-T G.984/G.988 (GPON) and IEEE 802.3ah (EPON) dual-mode standards.
• Downlink rate: Up to 2.488 Gbps
• Uplink rate: Up to 1.244 Gbps
• Optical module: Class B+, SC/UPC connector
• Wavelength: Tx 1310 nm, Rx 1490 nm
• Receiver sensitivity: ≤ –28 dBm
• Transmission distance: Up to 20 km
• Supports 8 T-CONTs, 32 GEM ports, DBA (Dynamic Bandwidth Allocation)
• AES-128 downlink encryption for security
• Bidirectional FEC for enhanced link stability

1.2 User Interfaces

• Ethernet Ports:
  • 1 × GE (10/100/1000Base-T) Gigabit port
  • 3 × FE (10/100Base-T) Fast Ethernet ports
• Voice Port: 1 × FXS (POTS) port, supports SIP / H.248 protocols
• Wi-Fi (Dual-Band):
  • 2.4 GHz: IEEE 802.11b/g/n, 2×2 MIMO, up to 300 Mbps
  • 5 GHz: IEEE 802.11a/n/ac, 2×2 MIMO, up to 867 Mbps
  • Concurrent dual-band, total wireless rate up to 1200 Mbps
  • External high-gain antennas
• USB Port: 1 × USB 2.0 (for external storage/print sharing)
• Buttons: WPS, Reset, Power
• LED Indicators: POWER, PON, LOS, LAN1–LAN4, TEL, WLAN, WPS, USB

1.3 Service & Security

• Operating Modes: Bridge & NAT Router (PPPoE, DHCP, Static IP)
• IPTV: IGMP v2/v3 Snooping/Proxy
• QoS: Port-based rate limiting, 802.1p, WMM
• VLAN: 1:1, N:1, QinQ, trunk & transparent transmission
• Network: IPv4/IPv6 Dual Stack support
• Security: SPI firewall, MAC/IP/URL filtering, anti-DoS/ARP attacks
• Wireless Security: WPA/WPA2/WPA3, WEP encryption
• Reliability: Dual-image firmware, 6 kV lightning protection, low-power design

1.4 Management & Maintenance

• Plug-and-Play: Zero-touch auto-configuration via OLT
• Remote Management: OMCI, TR-069, SNMP
• Local Management: Web GUI (default IP: 192.168.1.1)
• Firmware Upgrade: Remote/Local upgrade via OLT or web interface
• Installation: Desktop or wall-mounted

2. Technical Specifications