InLine 66659M network card Fiber 1000 Mbit/s

Modular fibre optic connection via USB-C:Flexible use thanks to SFP port for various transceivers – ideal for changing network architectures.
Gigabit performance with energy efficiency:Supports up to 1,000 Mb/s and reduces power consumption thanks to IEEE802.3az.
Compatible with many operating systems:Broad support for Windows, macOS and Linux enables versatile integrations.
Loss-free data transmission:On-chip buffer, flow control and checksum offload ensure reliable and fast communication.
Ideal for industrial and IT environments:Works without interference in electromagnetically sensitive areas and over long distances.

The InLine® USB-C to SFP Gigabit Fiber Network Adapter is the ideal solution for professional network environments that require flexibility, reliability and compatibility. With its modular SFP port, various fiber optic transceivers (e.g. SX, LX) can be used – perfect for different ranges and infrastructures. The adapter supports network speeds of up to 1,000 Mb/s via the USB-C port, making it ideal for fast, stable connections with low latency.
The adapter scores particularly well in industrial applications, data centres or IT integration with features such as IEEE802.3az for energy saving, flow control to prevent packet loss and QoS capability for prioritised data transmission. Integrated support for VLAN tagging and automatic cable type detection also ensures easy integration into existing systems.
Thanks to its broad operating system support for Windows, macOS and Linux, the device is extremely versatile – for example, for temporary network connections, notebooks in service management or for permanent integration into rack solutions. The integrated on-chip buffer and extensive offload functions relieve the system and ensure loss-free data transmission, even under high loads.

Network protocols: IEEE802.3 / 802.3u / 802.3ab
VLAN / prioritisation: IEEE802.1Q, Layer 2 Priority
Jumbo frames: Up to 9K
Power saving functions: Power Down / Link Down / LPM
Skew/polarity correction
Crossover detection (Auto-MDI/MDI-X)
Chipset: Realtek RTL8153

InLine 66659M. Connectivity technology: Wired, Host interface: USB Type-C, Interface: Fiber. Maximum data transfer rate: 1000 Mbit/s. Product colour: Black

How to use

Insert a suitable SFP transceiver into the modular SFP slot and connect the fiber cable according to the transceiver specifications. Plug the USB-C connector into a host device with a compatible USB-C port. Install any necessary drivers if the host operating system does not provide native support; Windows, macOS and many Linux distributions are broadly supported. Verify link status and configure network settings such as IP, VLAN and QoS on the host system or network equipment as required.

Recommendations

Use transceivers that match the required fiber type and distance (e.g. SX for short reach, LX for long reach). For rack or permanent installations, ensure secure mounting and proper cable management. Enable power-saving modes if supported in low-traffic scenarios. When deploying in critical environments, verify driver compatibility and test throughput with intended workloads.