Cisco DWDM-X2-56.55

The Cisco DWDM-X2-56.55 is a specific type of transceiver module used in optical networking. It is designed for Dense Wavelength Division Multiplexing (DWDM) applications, which allow multiple wavelengths of light to be transmitted simultaneously over a single optical fiber. The "X2" in the name refers to the form factor of the transceiver module, which is a hot-swappable, small form-factor pluggable (SFP) module. It is commonly used in high-speed data transmission applications, such as in data centers or telecommunications networks. The "56.55" in the name represents the specific wavelength of light that the transceiver operates on. In this case, it operates at a wavelength of 1565.55 nanometers, which is within the DWDM wavelength range. Overall, the Cisco DWDM-X2-56.55 is a transceiver module that enables high-speed data transmission over optical fibers using DWDM technology at a specific wavelength.