The Calix 100-04255, also known as the 803G GigaPoint ONT, is a compact, indoor GPON Optical Network Terminal designed for residential broadband service delivery. Here's a detailed overview of its functionality:

🔧 Key Features

• 1 Gigabit Ethernet (GE) Port: Supports symmetrical 1 Gbps bandwidth for IPTV and high-speed data services.
• 1 POTS (Plain Old Telephone Service) Port: Provides carrier-grade VoIP and TDM voice services (SIP, H.248, MGCP, GR-303/TR-08).
• GPON Interface: Compliant with ITU-T GPON standards, supporting up to 2.5 Gbps downstream and 1.25 Gbps upstream.
• Traffic Management & QoS:
  • 802.1Q VLAN tagging
  • 802.1p prioritization
  • Q-in-Q tagging
  • Rate limiting and DiffServ
  • IGMP snooping and proxy for IPTV.nexicomsystems

🛠️ Installation & Management

• Smart Activate: Allows technicians to install and activate services using a phone or laptop without central office assistance.
• Remote Management: Via Calix Management System (CMS) and Calix Support Cloud (CSC), enabling configuration, upgrades, and troubleshooting.
• Mounting Options: Wall mount, structured wiring enclosure, or desktop (horizontal/vertical).
• Power Options:
  • 12V DC adapter for standard use
  • Optional UPS for lifeline voice service.nexicomsystems

📐 Specifications

• Dimensions: 3.0" W × 4.0" H × 1.25" D
• Weight: 4 oz (0.1 kg)
• Max Split: 64 users per GPON port
• Reach: Up to 58 km with Class C+ optics and FEC
• Environmental: Indoor use, 0°C to 40°C operating temperature.nexicomsystems

🧩 Use Case

The 803G is ideal for single-family homes or small residential deployments where a compact, efficient ONT is needed to deliver triple-play services (voice, video, data) over fiber.

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