C-Data FD1602S-B1 GPON OLT

The C-Data FD1602S-B1 is a dual-PON port GPON OLT made for ISPs, FTTH providers, and communities needing to serve up to 256 ONUs from two GPON ports. It includes 2 Gigabit Ethernet uplink ports plus 1 × 10 Gigabit uplink, supports ITU-T G.984.x Class B+/C+ optical tiers, and features built-in Wi-Fi for local management. With support for 20 km fiber reach and fan-friendly hardware, it combines capacity and manageability in a compact form.

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Description

The C-Data FD1602S-B1 is an enterprise-grade GPON OLT engineered for reliable FTTH deployment. It meets the standards of ITU-T G.984.x and FSAN, supporting Class B+ and C+ GPON optics. The device has 2 GPON ports, each with a 1:128 splitting ratio, allowing for up to 256 ONU terminals distributed across both ports.

On the uplink side, it offers two GE (10/100/1000 Mbps) Ethernet ports and one 10 Gbps uplink port for backbone aggregation. Downstream and upstream GPON port data rates are 2.5 Gbps downstream and 1.25 Gbps upstream, over SMF (single-mode fiber) with SC/UPC connectors. The optical reach is up to 20 km.

Management is versatile: local console port, CLI, Web GUI, Telnet, SSH, MQTT, and notably, it includes built-in Wi-Fi for direct mobile or wireless login for device configuration and monitoring. The OLT also has a display screen showing vital status information, such as IP address and active ONUs.

Environmental tolerance is wide: operating between -15 °C to +50 °C; storage -40 °C to +85 °C; humidity non-condensing 5–90%. Power options include AC 100–240 V or external 12 V/2.5 A adapter. The FD1602S-B1 provides a strong balance of performance, reliability, and deployment flexibility for demanding fiber-to-the-home environments.

Application

FTTH, ISP / WISP backhaul, Fiber broadband networks, Multi-dwelling units (MDUs)

Key Features

✔️ Two GPON ports (Class B+/C+) with 1:128 split ratio each
✔️ Up to 256 ONUs across both PON ports
✔️ Uplink via 2 × Gigabit Ethernet + 1 × 10 Gbps port
✔️ Built-in Wi-Fi access for local management & monitoring
✔️ Display screen shows IP address, number of ONUs, etc.
✔️ Up to 20 km reach on single‐mode fiber (SMF) with SC/UPC connector
✔️ Wide environmental specs (-15 to +50 °C operating) and dual power supply options

Specifications

Specification Details
Brand C-Data
Model / Product Code FD1602S-B1
CPU / Chipset Not specified by vendor
Memory Not specified by vendor
Storage Not specified by vendor
Wi-Fi Standard 2.4 GHz built-in (for management).
Wireless Capabilities Local management via Wi-Fi login
Ethernet Ports (Uplink) 2 × GE (10/100/1000 Mbps) RJ-45 auto-negotiation ports
10 Gbps Uplink Port 1 × 10G port
GPON Ports 2 ports (SFP slots), ITU-T G.984.2 Class B+/C+
Splitting Ratio Up to 1:128 per GPON port
Downstream Rate 2.5 Gbps per GPON port
Upstream Rate 1.25 Gbps per GPON port
Fiber Type / Connector 9/125 μm SMF, SC/UPC
Transmission Distance 20 km
Light Transmission Power Class B+ +1.5 ~ +5 dBm; Class C+ +3 ~ +7 dBm
Receiving Sensitivity Class B+ −28 dBm; Class C+ −30 dBm
Saturation Power Class B+ −8 dBm; Class C+ −12 dBm
Backplane Bandwidth 31.5 Gbps
Power Supply AC 100-240 V, 47-63 Hz or external DC adapter 12 V / 2.5 A
Operating Temperature −15 °C to +50 °C
Storage Temperature −40 °C to +85 °C
Ambient Humidity 5-90% non-condensing
Dimensions 360 × 193 × 44 mm (L×W×H)
Weight 1.70 kg
Certifications & Approvals ITU-T G.984.x, FSAN compliance
Warranty 1 year
Package Contents Main unit, power adapter, 2 x GPON C+++ 9dBm SFP Module

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