①Classification:
There are two types of CWDM optical transceivers: CWDM SFP/SFP+ optical transceivers;
Five types of 40g DWDM optical transceivers: DWDM XENPA/XFP/X2/SFP+/SFP optical transceivers.
②Application:
CWDM optical transceivers are widely used in Gigabit Ethernet and point-to-point networks;
DWDM optical transceivers are mainly used in metropolitan area networks (metropolitan area networks) and local area networks.
③Cost:
The cost of CWDM optical transceivers is lower than that of DWDM.
