What is a Patch Cable?

A patch cable (also called a patch cord) is a short-length cable used to connect two electronic or network devices for signal routing and communication. These cables are typically pre-terminated (with connectors at both ends) and are designed for flexibility, ease of use, and quick installation in various systems.

Patch cables are widely used in:

• Computer networks

• Telecommunications

• Audio/video setups

• Data centers

• Broadcasting equipment

Construction of a Patch Cable:

The exact structure depends on the type (copper or fiber), but most patch cables share the following elements:

1. Cable Core:

• Copper Patch Cables use twisted pair conductors (usually 4 pairs) for data transmission.

• Fiber Patch Cables contain glass or plastic fiber strands for light-based data transmission.

2. Insulation and Sheath:

• Insulation protects individual wires or fibers.

• An outer jacket (PVC, LSZH, or Plenum-rated material) provides environmental and mechanical protection.

3. Connectors:

Each patch cable has connectors on both ends for quick and secure connection.

• Copper connectors: RJ45 (Ethernet), 3.5mm (audio), USB, etc.

• Fiber connectors: LC, SC, ST, MTP/MPO