Operating Manual

39GHz_L 5G Wireless Optical DAS Operating Manual

on the 'GUI Tree'.

③ DTU

This item monitors overall status of the MDTU status. It can monitor status of 'OTX' and 'ORX' value

and alarm setting per optic branch, and is configured with 'Link Fail' alarm to check MDTU 'Status' ot

communication status.

④ MITU

This item is configured with an attenuator that can monitor and set power level of the IF signal

received from the MDU and DRU. Also, it is configured with 'OTX' alarm and 'ORX' alarm that can

monitor status or strength of the converted analog optic signal transmit/reception.

Also, it is configured with an attenuator to compensate uplink loss of fiber optic cable, and

implemented with 'Optic Comp.' function which is similar to 'Cable Comp.'. When turning this

function on, cable compensate attenuator is automatically set by auto measuring fiber optic cable

loss connected between MHU and DRU.

5.1.4 DRU Main Screen