RJ45 (Registered Jack 45) is a common type of connector primarily used for Ethernet networking cables. It looks like a wider telephone plug and typically has 8 pins or contacts inside.

Key Facts:

• Used for: Connecting computers, routers, switches, and other network devices using Ethernet cables (usually Cat5, Cat5e, Cat6, etc.).

• Pin configuration: 8 pins supporting 4 twisted pairs of wires inside the cable.

• Function: Transmits data signals for wired local area networks (LANs).

• Common standards: Supports speeds from 10 Mbps up to 10 Gbps depending on cable type and hardware.

Typical Use:

You’ll find RJ45 connectors on the ends of Ethernet cables that plug into network ports on computers, modems, routers, and switches. It’s essential for most wired internet and network connections.