About This Part
The Huawei 03021VCC, identified as an AR-4ES2G-S 4-Port 1000BASE-RJ45 L2 Ethernet Interface Card, is a critical component designed to enhance the connectivity capabilities of Huawei's enterprise-grade routing platforms. This Service Interface Card (SIC) form factor module integrates seamlessly into compatible router chassis, providing four Gigabit Ethernet ports over standard RJ45 copper interfaces. Its primary function is to deliver robust Layer 2 Ethernet switching capabilities, enabling high-speed local area network (LAN) connections for various devices. Engineered for reliability and performance, the Part Number 03021VCC supports full-duplex operation, auto-negotiation, and flow control, ensuring efficient data transmission within demanding network environments. This module is essential for expanding the wired connectivity options of a router, offering a high-density solution for connecting servers, workstations, and other network devices requiring stable Gigabit Ethernet access. This interface card is typically deployed in enterprise networks, branch offices, and campus environments where Huawei AR series routers serve as core or aggregation devices. It supports a wide range of use cases, including expanding LAN segments, connecting network-attached storage (NAS) or server farms, and providing secure access points for various departmental needs. Telecom operators and large enterprises leverage such modules to build scalable and resilient network infrastructures, solving challenges related to port density limitations and the need for reliable copper-based Gigabit Ethernet connectivity. The Huawei 03021VCC serves as an effective upgrade path for networks requiring increased throughput or additional physical ports, often replacing older Fast Ethernet modules or expanding the capacity of existing router chassis without the need for a full system overhaul. Revo Distribution Limited specializes in providing cost-effective infrastructure solutions to B2B clients, offering used and refurbished units of essential components like the Huawei 03021VCC. By sourcing high-quality, pre-owned equipment, Revo enables telecom operators, data centre providers, and large enterprises to expand or upgrade their networks efficiently, mitigating the significant capital expenditures associated with new hardware procurement. Our inventory of refurbished parts ensures that clients can maintain and extend the operational lifecycle of their existing Huawei infrastructure, supporting sustainability initiatives while optimizing their IT budgets. Revo's commitment to quality and rigorous testing procedures ensures that every component, including this vital interface card, meets stringent performance standards, providing reliable service for critical network operations.