Black Box LH1690C-LC-R3
Gigabit Ethernet Network Interface Card – Multimode
The Black Box LH1690C-LC-R3 Gigabit Ethernet Network Interface Card is engineered for high-speed, dependable multimode fiber network connections. Its advanced features, including VLAN filtering and checksum offloading, ensure secure, efficient, and high-performing network operations, making it an ideal choice for demanding data center and enterprise network environments.
Features :
Built to meet the needs of modern high-speed networks, the LH1690C-LC-R3 provides robust Gigabit Ethernet performance over multimode fiber links. Its VLAN filtering capabilities and onboard screening of VLAN-tagged Ethernet frames enhance network security and flexibility, allowing administrators to segment and manage traffic efficiently.
Advanced Options :
Support for IP headers and TCP/UDP checksums offloading reduces CPU load, boosting overall system performance. Fully compliant with current standards such as IPv6 and RoHS, this Interface Card ensures future-proof compatibility and environmentally responsible operation. The card’s design enables easy integration into existing network infrastructures while delivering the high-performance connectivity required by modern data centers.
Product Key Features
- Supports 1000BASE-SX multimode fiber connections for high-speed data transfer
- Advanced VLAN filtering and VLAN-tagged Ethernet frame screening for enhanced security and network management
- Supports IP header and TCP/UDP checksum offloading for optimized network performance
- Fully compliant with IPv6, RoHS, IEEE 802.3z, and IEEE 802.3 standards
- Reliable and stable connectivity tailored for data centers, enterprise networks, and high-performance applications
- Easy integration into existing network infrastructure with standard specifications
Reliability & Performance :
Designed for demanding networking environments, the LH1690C-LC-R3 offers stable, high-speed connectivity with advanced offloading features that optimize throughput and reduce CPU workload. Its support for multimode fiber ensures reliable long-distance transmission, making it suitable for data centers and enterprise networks requiring high bandwidth and security.
Key Features :
- Supports 1000BASE-SX multimode fiber Gigabit Ethernet connections
- VLAN filtering and screening for enhanced security and traffic management
- IP header and TCP/UDP checksum offloading for improved network efficiency
- Fully compliant with IPv6, RoHS, IEEE 802.3z, and 1000BASE-SX standards
- Reliable performance over multimode fiber links
- Ideal for data centers, enterprise networks, and high-performance applications




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