11.0 OTAU Menu
If you are using an Optical Switch, also referred to as an OTAU (Optical Test Access Unit), for
your test application, you will need to access the OTAU menu to select the test port. To do this,
click OTAU to view the device model, serial number, and available ports. Set the desired port
number in the Switch to port drop-down list box, and then click Switch to move the switch to the
desired test port.
Setting OTAU port
RTU-4000/RTU-4100 User Manual, D07-00-132P-RevA01
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