4. Push the handle closed to lock the optical transceiver in place.
5.Repeat Step 1 through Step 4 to install the second optical transceiver
6.Detach the wrist strap.
Caution – If you pull the locking handle down when the optical transceiver is installed, remove the optical transceiver entirely and reinstall it. The handle operates an internal lock. Pulling the handle down can disconnect the optical transceiver, even though it might appear to be connected.