Check whether the golden fingers, end face, pull rings, etc. of the SFP's are not damaged before installation;
Install the SFP's on the optical port of the device;
The effect after correct installation;
Attention! After the SFP's is installed, please take dust-proof measures before fiber patch cord inserted;
Fiber patch cord installed;
When taking out the SFP's, please remove the fiber patch cord first, and then take out the SFP's;