Technical specifications

GFGM 16-Port GPON Service Board (C600/C650 Series)

Product Model: GFGM 

Product Type: 16-port GPON OLT Service Board (Line Card)

Compatible Chassis: C600, C650, C620 OLT Platforms

 

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1. Product Overview

The GFGM is a high-density, 16-port GPON service board designed for central office OLT equipment, optimized for large-scale FTTH/FTTB broadband deployment. It provides high-performance, symmetrical optical access with full GPON protocol support, carrier-grade reliability, and advanced management capabilities.

 

 

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2. Key Specifications

Basic Port & Performance

• GPON Ports: 16 × GPON (SFP/SFP+ slots)
• Standard: ITU-T G.984.x (GPON)
• Rate per Port:
  • Downstream: 2.488 Gbps
  • Upstream: 1.244 Gbps
• Total Forwarding Rate: 200 Gbit/s
• Split Ratio: Up to 1:128 per port
• Max ONUs Supported: 2048 (16 ports × 128)
• Max Differential Fiber Distance: 30 km
• Max Frame Length: 2052 bytes

Optical Module (SFP)

• Wavelength: Tx 1490 nm, Rx 1310 nm
• Module Class: C+ / C++ (optional)
• Tx Power (C+): +3.0 ~ +7.0 dBm
• Rx Sensitivity: ≤ -28 dBm
• Connector: SC/UPC
• Fiber Type: 9/125 μm Single-mode Fiber (SMF)

System & Capacity

• Max MAC Addresses: 85640
• Max T-CONTs: 1024
• Max Service Flows: 11352
• FEC: Supports upstream & downstream FEC

Physical & Environment

• Dimensions (W×D×H): 393.1 × 23.9 × 214 mm
• Weight: 1.46 kg
• Power Consumption: Max 50 W
• Operating Temperature: -40°C ~ +65°C
• Humidity: 5% ~ 95% (non-condensing)
• Cooling: Forced air (chassis fan)

 

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3. Core Features

• High Density: 16 GPON ports in a single slot for maximum chassis utilization.
• Carrier-Grade Reliability:
  • PON Type B/Type C protection switching
  • Hot-swappable design
  • Over-temperature alarm & auto-protection
• Advanced Management:
  • OMCI, TR-069, SNMP v2/v3
  • Rogue ONT detection & isolation
  • 1588v2 PTP & SyncE for precise timing
• QoS & Security:
  • 802.1p, DBA, traffic shaping
  • ACL, port isolation, storm control
  • Anti-DoS, user access control
• Service Support:
  • Triple-play: Internet, VoIP, IPTV
  • IPv4/IPv6 dual stack
  • L2/L3 switching, QinQ, VLAN translation

 

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4. Typical Applications

• FTTH/FTTB/Business PON broadband access
• Triple-play service delivery (Internet + VoIP + IPTV)
• Carrier optical access aggregation
• Campus/enterprise fiber networks
• High-density residential & commercial broadband