Hardware Installation and Maintenance Guide Maintenance Removing an SFP+ Replacing an SFP+ Replacing an SFP+ To replace the SFP+: Slide the replacement optical transceiver into the SFP+ socket on the NIU. Installed SFP+ Transceiver Flip the bale clasp latch back up and in to the rest position. Sliding the SFP+ Transceiver Into the NIU