It is clear that networks provide benefits over using single machines by sharing resources, having secure connection, remote control, etc. Network equipment can be divided in three main parts that are necessary for successful network operation.
First part is the equipment, located at the end of the lines. It includes client, server, workstation. You can read more about Client Server Definition ...
Nominal central wavelengths for coarse WDM systems
CWDM grid wavelengths within the range 1270 nm to 1610 nm are shown below. The value of "c" (speed of light in vacuum) that should be used for converting between wavelength and frequency is 2.99792458 x 108 m/s
For ordering CDWM XFP transceivers, you case use this reference table: