A switch equipped with an optical module is commonly called an "optical switch" or a "switch with a pluggable optical transceiver."

Explanation

A switch with an optical module refers to a network switch that uses a hot-pluggable optical transceiver to send and receive data over fiber optic cables, rather than relying solely on electrical connections . The optical module converts electrical signals from the switch into optical signals for transmission through fiber, and vice versa, enabling high-bandwidth, long-distance communication . These modules are often standardized in form factors such as SFP, SFP+, QSFP, or CFP, depending on the data rate and application.

Optical Switch vs. Optical Module Integration

• Optical Switch: A device that can route light signals between different optical paths without converting them to electrical signals, often used in fiber-optic networks to manage high-speed data flows .
• Switch with Optical Module: A traditional network switch (Ethernet or otherwise) that uses an optical module to interface with fiber optics. The module handles the optical-electrical conversion, while the switch manages data forwarding and network protocols .

Applications

• Data Centers: High-speed interconnects between servers and storage systems.
• Telecommunications: Long-distance fiber links in metro and backbone networks.
• High-Bandwidth Networks: Any environment requiring low-latency, high-throughput optical connections. In summary, a network switch that incorporates an optical module is typically referred to as an optical switch when emphasizing its optical routing capabilities, or more specifically as a switch with a pluggable optical transceiver when describing the hardware configuration .