Chapter 3 Installing the ExpressModule 15
5. RepeatStep 1 through Step4 to install the second optical transceiver.
Caution – If you pull the locking handle down when the optical transceiver is
installed, removethe 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.