The VSOL V2801RD | 1GE ONU is a single-port XPON ONU engineered to meet the needs of telecom operators delivering FTTO (office), FTTD (desktop), FTTH (home), SOHO broadband, and video surveillance connectivity. It’s designed with dual-mode XPON support, automatically detecting and connecting to either EPON (PX20+) or GPON (Class B+) networks, which means the VSOL V2801RD 1GE ONU doesn’t lock an ISP into a single PON technology at the time of purchase — the same unit can serve either type of deployment depending on what the operator’s network already uses.

At its core, the VSOL V2801RD 1GE ONU is built on high-performance chip technology and supports Layer 2 and Layer 3 functions, giving it the flexibility to provide carrier-grade data services whether it’s deployed in a straightforward bridge configuration or a more feature-rich router mode. This dual operating capability matters in practice, because some ISPs prefer to handle routing centrally at the OLT or a separate gateway, while others want the ONU itself to manage local routing and firewall duties. The VSOL V2801RD 1GE ONU accommodates both approaches without requiring a different hardware model for each.

On the hardware side, the unit includes a single 1XPON port supporting both EPON PX20+ and GPON Class B+ standards through an SC/UPC connector, along with 1 Gigabit Ethernet (1GE) LAN port for wired connectivity at speeds up to 1000Mbps. Its optical transmission distance extends up to 20km, keeping it compatible with typical FTTH network layouts regardless of how far the customer premises sits from the OLT. TX optical power ranges from 0 to +4dBm, with RX sensitivity down to -27dBm, giving the unit a workable optical budget for most standard fiber runs.

Reliability is a clear focus in the VSOL V2801RD 1GE ONU’s design. It’s rated to operate across a wide temperature range and includes a powerful built-in firewall, along with rogue ONU detection to help protect the broader PON network from misbehaving or unauthorized devices attempting to connect. This kind of network-level protection is particularly valuable for ISPs managing large numbers of endpoints in the field, where a single compromised or malfunctioning ONU could otherwise disrupt service for other subscribers sharing the same PON port.

Physically compact at just 82mm x 82mm x 25mm and weighing around 85g, the VSOL V2801RD 1GE ONU supports both desktop and wall mounting, making it easy to install discreetly in a home, small office, or SOHO environment. Power consumption stays low at under 4W, drawing from a standard DC 12V, 0.5A external power adapter, which keeps ongoing operating costs minimal for both the customer and the ISP managing large-scale deployments. Below are the full technical specifications.