Cisco QSFP-100G-DR-S

The Cisco QSFP-100G-DR-S is a high-speed pluggable transceiver module designed for use in data center and enterprise networking environments. It is part of the Cisco 100 Gigabit Ethernet (100G) transceiver family and supports a data rate of 100 gigabits per second (Gbps). The "QSFP" in the name stands for Quad Small Form-factor Pluggable, which refers to the form factor and electrical interface of the module. It has four channels, each capable of transmitting and receiving data at a rate of 25 Gbps. The "100G" indicates that it supports a data rate of 100 Gbps, which is a high-speed networking standard used for high-performance applications and data-intensive workloads. The "DR" in the name stands for "Directly Attached Copper", which means that the module uses copper cables for connectivity. This allows for shorter reach distances compared to fiber optic cables but provides a cost-effective solution for interconnecting networking equipment within a data center. The "S" at the end of the name indicates that it is a Cisco-specific variant of the QSFP-100G-DR module. Overall, the Cisco QSFP-100G-DR-S is a high-speed transceiver module used for 100G Ethernet connectivity in data center and enterprise networking environments.