Operating Manual

39GHz_L 5G Wireless Optical DAS Operating Manual

② TDD Module

This item can monitor status and control TDD sync module within the MDU. When sync module

extracts the sync signal the 'TSYNC' alarm is cleared.

③ RF Part

This item monitors IF input signal and controls signal level from the DU and MHU. Also, it is

configured with an attenuator that can compensate downlink loss of the cable connecting DU and

MDU, and can compensate up to 12dB. And can adjust up to 10dB with attenuator to secure uplink

isolation.

④ Switch Mode

This system can basically service all 1GHz bandwidth, but situation may occur of only servicing 'Low

Band' or 'High Band'. This item is implemented for this situation.

- Bypass : Service all 1GHz bandwidth

- Low Band : Filter and service on low band frequency out of the 1GHz bandwidth

- High Band : Filter and service on high band frequency out of the 1GHz bandwidth

⑤ Cable Comp. Function

This item below has 'Cable Comp' function implemented. When turning this function on, cable

compensate attenuator is automatically set to auto measure coaxial cable loss between connected DU

and MDU.