SFP+ on the MTS/TB5800
Knowledge Base - FAQ
Can you use SFP+ optics on a version 1 or version 2 MTS/TB5800?
SFP+ optics are used on the version 2 5800 and the 5800-100G. They are not compatible with the version 1 5800. XFP optics must be used for rates above 4G on the version 1 5800.