C-Data FD511G-G-F361 Single Port G-PON ONU

Brand: C-Data
Product Code: FD511G-G-F361
Availability: In Stock
Updated: 28/10/2026

৳1,300

Description

The C-Data FD511G-G-F361 Single Port G-PON ONU is a compact fibre-optic network terminal designed for compatible GPON broadband connections. It provides one Gigabit Ethernet interface for connecting a router, computer or other network equipment to a fibre internet service. With a 1G G-PON interface and 10/100/1000Mbps auto-negotiating Ethernet port, this ONU is well suited to FTTH and FTTO deployments where a simple single-port fibre termination solution is required.

C-Data FD511G-G-F361 GPON ONU in Bangladesh

Fibre broadband has become a common choice for home users, offices and businesses across Bangladesh. A GPON ONU acts as the connection point between the optical fibre supplied by an internet service provider and the customer's Ethernet network. The C-Data FD511G-G-F361 is designed for this type of deployment, providing Gigabit Ethernet connectivity from a compatible GPON optical network.

The single-port design is particularly useful when the ONU is connected to a separate Wi-Fi router. Instead of requiring wireless functionality inside the optical terminal, the ONU handles the fibre connection while the customer's router manages Wi-Fi, LAN devices, DHCP, firewall functions and other local networking requirements.

C-Data FD511G-G-F361 Key Features

1G G-PON interface for compatible fibre broadband networks
One Gigabit Ethernet RJ45 port
10/100/1000Mbps auto-negotiating Ethernet connection
GPON downstream throughput up to 2.488Gbit/s
GPON upstream throughput up to 1.244Gbit/s
Designed for FTTH and FTTO applications
Suitable for Internet and HD video services
ONU auto-discovery and link detection support
Remote software upgrade support in compatible deployments
12V/0.5A DC power supply
Compact form factor for home and office installation

C-Data FD511G-G-F361 Technical Specifications

Specification	Details
Brand	C-Data
Model	FD511G-G-F361
PON Type	GPON
PON Interface	1G G-PON
GPON Downstream Throughput	2.488Gbit/s
GPON Upstream Throughput	1.244Gbit/s
Ethernet Interface	1 x Gigabit RJ45
Ethernet Speed	10/100/1000Mbps auto-negotiation
Power Supply	12V/0.5A DC
Dimensions	125 x 80 x 28 mm

What Is C-Data FD511G-G-F361?

The FD511G-G-F361 is a GPON Optical Network Unit that converts the optical signal received through a compatible fibre network into Ethernet connectivity. It is intended for broadband access environments where GPON technology is used by the service provider.

In a typical installation, the optical fibre enters the ONU and the Gigabit Ethernet output connects to a router. The router can then distribute the internet connection to multiple devices through Wi-Fi and wired LAN connections.

How the FD511G-G-F361 Works

A GPON network normally consists of provider-side optical equipment and customer-side ONUs. The ISP's optical line terminal communicates with the ONU over the passive fibre infrastructure. The FD511G-G-F361 receives the GPON service and presents the connection through its Ethernet interface.

This makes the device useful as a dedicated optical termination point. The customer can then use a separate networking device according to their requirements, whether that is a basic wireless router, high-performance Wi-Fi router, mesh system, business gateway or firewall.

Gigabit Ethernet Connectivity

The FD511G-G-F361 provides one auto-negotiating 10/100/1000Mbps RJ45 Ethernet port. This is an important feature for modern fibre broadband because a 100Mbps Ethernet interface could restrict faster internet packages.

With Gigabit Ethernet, the ONU can communicate with compatible network equipment at up to 1000Mbps on the Ethernet interface. Actual internet performance still depends on the ISP package, optical network, router, cabling and connected devices.

GPON Downstream and Upstream Capacity

The GPON interface supports a downstream throughput of up to 2.488Gbit/s and upstream throughput of up to 1.244Gbit/s at the GPON technology level. These figures represent the interface capability and should not be interpreted as a guaranteed internet speed for an individual subscriber.

Your actual broadband speed is determined by the service purchased from the ISP together with the provider's OLT configuration, optical conditions, network congestion, router capability and client equipment.

FTTH and FTTO Applications

The C-Data FD511G-G-F361 is designed for fibre access applications such as FTTH and FTTO. FTTH generally refers to fibre connectivity delivered to a residential property, while FTTO is commonly associated with fibre access for office or business environments.

For a home user, the ONU can provide the optical termination before a wireless router. In a small office, it can feed a business router, firewall or other gateway that controls the internal network.

Use with a Wi-Fi Router

The FD511G-G-F361 does not need to provide Wi-Fi itself to be useful in a modern network. Its Gigabit Ethernet port can be connected directly to a separate Wi-Fi router.

This arrangement gives users greater flexibility when choosing wireless equipment. A customer can select a router based on coverage requirements, Wi-Fi technology, number of connected devices, parental controls, VPN support, mesh capability or other networking features.

Suitable for Home Internet

For a residential GPON connection, the FD511G-G-F361 can serve as a compact optical terminal. A suitable router connected to the ONU can distribute internet access throughout the home.

Depending on the router and broadband package, the resulting network can support smartphones, laptops, desktop computers, smart televisions, gaming consoles, CCTV systems, printers and other connected devices.

Suitable for Small Offices

Small businesses can use the FD511G-G-F361 where the internet provider offers a compatible GPON service. The Gigabit Ethernet output can connect to a business router or firewall that manages the office network.

This type of configuration can support everyday office activities such as cloud applications, web browsing, email, video conferencing, file transfers and network printing. The required broadband capacity should be selected according to the number of users and applications rather than the ONU specification alone.

C-Data FD511G-G-F361 for Gaming

The ONU itself does not determine online gaming latency. Ping depends on the ISP's routing, game server location, network congestion, local traffic and router configuration. Nevertheless, a Gigabit-capable fibre termination device provides an appropriate connection point for a modern gaming network.

Gamers can connect the FD511G-G-F361 to a capable router and then use wired Ethernet for a gaming PC or console. A properly configured local network can help avoid unnecessary wireless interference between the gaming device and router.

HD Video and Streaming

The FD511G-G-F361 is designed to support Internet and HD video services over compatible GPON networks. Multiple users can share the connection through a suitable router.

For households where several people stream video, download files, attend online meetings and use cloud services simultaneously, the overall network should be designed around the broadband package and router capability. The ONU is one part of that complete system.

Third-Party OLT Compatibility

The FD511G-G-F361 is designed with compatibility with third-party GPON OLT environments in mind. Product information for this model lists compatibility with equipment from manufacturers such as Huawei, ZTE, BDCOM, FiberHome, Vi-sol and other compatible platforms depending on deployment and configuration.

Compatibility should not be assumed solely from the OLT brand. An ISP may apply its own authentication, registration, VLAN and provisioning requirements. Customers should therefore confirm the exact requirements with their internet provider before replacing an existing ONU.

ONU Auto-Discovery and Link Detection

ONU auto-discovery and link detection can simplify management within compatible GPON deployments. These functions allow the provider's network equipment to identify and monitor the optical terminal as part of the access network.

Remote software upgrade support can also be useful for network operators because compatible firmware maintenance may be performed without physically replacing the ONU.

Power Supply

The FD511G-G-F361 uses a 12V/0.5A DC power adapter. The correct power specification should always be used to avoid unstable operation or possible hardware damage.

For long-term reliability, keep the ONU in a dry and ventilated location. Avoid placing it directly beside equipment that produces substantial heat, and do not cover its ventilation area.

Compact Design for Home and Office Networks

The FD511G-G-F361 has a compact physical size of approximately 125 x 80 x 28 mm. Its relatively small footprint makes it convenient for installations where desk or wall space is limited.

A compact ONU can be positioned close to the fibre entry point while the Ethernet cable connects it to the router. Keeping the fibre run properly protected is important because optical cables should not be sharply bent or subjected to unnecessary physical stress.

Why Choose a Single-Port GPON ONU?

A single-port ONU is a practical choice when the customer already has a separate router. The ONU does not need to duplicate features that are already provided by the router.

This separation can also make network upgrades easier. For example, the user may replace an older Wi-Fi router with a newer model without changing the optical termination device, provided that the existing ONU remains compatible with the ISP network.

Advantages of C-Data FD511G-G-F361

Gigabit Ethernet connectivity for modern broadband networks
Compact design suitable for residential and office installations
Dedicated GPON functionality for compatible fibre networks
One Ethernet port simplifies connection to a separate router
Supports 10/100/1000Mbps Ethernet auto-negotiation
High GPON interface capacity
Suitable for FTTH and FTTO applications
Useful for Internet and HD video services
Supports ONU discovery and link detection functions
Can be used with compatible third-party OLT environments

Things to Consider Before Buying

Confirm that your ISP uses GPON technology.
Check whether the ISP permits customer-owned ONUs.
Confirm compatibility with the ISP's OLT.
Ask whether ONU serial-number registration is required.
Check whether VLAN or PPPoE configuration is necessary.
Make sure your router has a Gigabit WAN port if you need more than 100Mbps.
Confirm the current product price and availability before ordering.
Check the seller's warranty terms because warranty periods can vary.
Use the correct power adapter supplied for the device.

Does the FD511G-G-F361 Work with Every Fibre ISP?

No. The FD511G-G-F361 is a GPON ONU, so the provider's network must use a compatible GPON infrastructure. In addition, the ISP may have specific requirements for registration and authentication.

Before replacing an ISP-provided ONU, ask the provider whether they support C-Data FD511G-G-F361 and whether they can register its optical serial information on their OLT. This is particularly important for users who want to avoid configuration problems after purchase.

C-Data FD511G-G-F361 vs a Wi-Fi ONU

The FD511G-G-F361 is focused on GPON-to-Ethernet connectivity rather than combining the ONU with a wireless access point. A Wi-Fi ONU, on the other hand, may include wireless networking and additional Ethernet ports.

A single-port ONU can therefore be preferable for customers who already own a good router or who want to manage the optical terminal and wireless network separately. Users who need an all-in-one device may prefer a compatible GPON router with integrated Wi-Fi.

C-Data FD511G-G-F361 vs 100Mbps ONU

The FD511G-G-F361 provides a Gigabit Ethernet interface, while older Fast Ethernet ONUs may be limited to 100Mbps. For broadband packages above 100Mbps, an Ethernet interface limited to 100Mbps can become a bottleneck.

The Gigabit port on the FD511G-G-F361 gives the network more Ethernet capacity, although the final internet speed still depends on the complete connection from the ISP to the end device.

C-Data FD511G-G-F361 Price in Bangladesh

The market price of the C-Data FD511G-G-F361 can vary between sellers depending on stock, import costs, warranty terms and current distributor pricing. Customers should check the current Unix Network listing for the latest price and availability instead of relying on an old market quotation.

When comparing the C-Data FD511G-G-F361 price in Bangladesh, consider the complete purchase value, including product authenticity, warranty coverage, technical assistance and after-sales support.

Buy C-Data FD511G-G-F361 from Unix Network

Unix Network is a trusted local Computer Store in Jessore offering networking products, fibre-optic equipment, routers, switches, Wi-Fi devices and other IT hardware. Customers searching for C-Data GPON ONU products can contact the store to check current availability and discuss network compatibility.

For customers in Jashore, visiting a local networking equipment supplier can be useful when the correct ONU needs to be selected according to the ISP connection. Buyers can explain their existing setup and confirm whether a single-port GPON ONU is appropriate.

Computer Shop in Jessore for Networking Products

Unix Network serves customers looking for networking equipment in Jessore and surrounding areas. The product range includes networking hardware for residential, office and business applications.

When choosing a GPON ONU, technical compatibility is more important than simply selecting a device based on price. The optical standard, OLT, registration process, router and broadband package all contribute to the final network performance.

Nationwide Delivery in Bangladesh

Customers outside Jashore can purchase networking products through the Unix Network online store, subject to stock availability and applicable delivery arrangements. Nationwide delivery provides a convenient option for customers who cannot visit the physical showroom.

Before placing an order, confirm the current price, stock status, warranty information and compatibility with your ISP network.

Technical Support and After-Sales Assistance

ONU installation can sometimes involve ISP-side configuration. If the physical connections are correct but the device does not establish a GPON link, the issue may require registration or configuration from the service provider.

Basic troubleshooting normally starts with checking the power adapter, optical fibre connection, PON status, Ethernet link and router configuration. If the optical signal or registration remains unavailable, the ISP may need to inspect the fibre line or configure the ONU from its OLT.

Buying Guide for C-Data FD511G-G-F361

Start by identifying the technology used by your internet provider. If the connection is GPON, confirm that the ISP accepts customer-owned ONUs and supports the C-Data FD511G-G-F361.

Next, check the router. Since this ONU provides one Gigabit Ethernet output, a router with a Gigabit WAN port is recommended when the broadband package is above 100Mbps. For lower-speed packages, the Gigabit capability still provides useful flexibility for future upgrades.

Finally, confirm warranty and after-sales arrangements before purchasing. A networking device can remain in continuous operation for long periods, so dependable support can be valuable when troubleshooting connectivity problems.

Who Should Buy C-Data FD511G-G-F361?

Home users with compatible GPON fibre internet
Small offices using a separate router or firewall
FTTH subscribers who require Gigabit Ethernet output
FTTO users with a compatible GPON deployment
Customers replacing an older 100Mbps ONU
Users who already own a separate Wi-Fi router
Network installers working with compatible GPON OLT systems
Customers looking for a compact single-port GPON ONU

Who May Need Another Solution?

The FD511G-G-F361 may not be suitable for an EPON-only network, a non-compatible optical access system or an ISP that does not permit third-party ONUs. It may also be less suitable for customers who specifically require integrated Wi-Fi or multiple Ethernet ports directly from the optical terminal.

In those situations, an appropriate X-PON ONU, EPON ONU or integrated GPON Wi-Fi router may be a better choice depending on the provider's network.

Frequently Asked Questions About C-Data FD511G-G-F361

What is C-Data FD511G-G-F361?

The C-Data FD511G-G-F361 is a single-port GPON Optical Network Unit designed to convert a compatible fibre-optic GPON connection into Gigabit Ethernet connectivity.

Does C-Data FD511G-G-F361 support Gigabit Ethernet?

Yes. It includes one 10/100/1000Mbps auto-negotiating RJ45 Ethernet port with up to 1000Mbps Ethernet connectivity.

What is the GPON speed of FD511G-G-F361?

The GPON interface supports up to 2.488Gbit/s downstream and 1.244Gbit/s upstream. These are GPON interface throughput figures rather than a guaranteed subscriber internet speed.

Can I connect a Wi-Fi router to FD511G-G-F361?

Yes. The Gigabit Ethernet port can be connected to a compatible Wi-Fi router, which can then provide wireless and wired network access to multiple devices.

Does FD511G-G-F361 have built-in Wi-Fi?

The FD511G-G-F361 is a single-port GPON-to-Ethernet ONU rather than a conventional wireless router. A separate Wi-Fi router is normally used when wireless connectivity is required.

Is C-Data FD511G-G-F361 suitable for home use?

Yes. It can be suitable for residential FTTH connections when the ISP uses compatible GPON infrastructure and allows the ONU to be registered on its network.

Can it be used in an office?

Yes. The ONU can connect to a suitable business router or firewall and provide the optical network termination required for a compatible GPON broadband service.

Will this ONU improve my internet speed?

An ONU cannot increase the speed of an ISP package by itself. Its Gigabit Ethernet interface can prevent a 100Mbps Ethernet limitation, but actual broadband performance depends on the ISP service and complete network configuration.

Can I use it with Huawei or ZTE OLT?

The model is designed to support compatible third-party GPON OLT environments, including deployments involving major OLT manufacturers. However, actual interoperability depends on the ISP's configuration, registration method and firmware environment, so confirmation with the provider is recommended.

Is this ONU good for gaming?

It can be part of a suitable gaming network when paired with a reliable GPON service and capable router. Gaming latency itself depends primarily on ISP routing, server distance, congestion and local network conditions.

Final Thoughts on C-Data FD511G-G-F361

The C-Data FD511G-G-F361 Single Port G-PON ONU is a practical choice for compatible GPON fibre networks where a dedicated Gigabit Ethernet connection is required. Its 1G G-PON interface, 10/100/1000Mbps Ethernet port, compact dimensions and support for FTTH and FTTO applications make it suitable for a range of residential and small-business deployments.

The most important step before purchasing is to verify compatibility with your ISP. Once the GPON standard, OLT compatibility and registration requirements are confirmed, the FD511G-G-F361 can provide a straightforward connection between the provider's fibre network and a separate router or wired network.

For customers searching for C-Data FD511G-G-F361 in Bangladesh, Unix Network provides a local option for networking equipment in Jessore, along with online purchasing and nationwide delivery options. Check current stock, price, warranty and compatibility before ordering to ensure the selected ONU matches your internet service.