Operating Manual

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INOVA DAS Operating Manual
input level adjustment through ALC is implemented.
③ 2.3GHz TX Shutdown and Delay Control
Item implements shutdown function of automatically turning HPA off when 2.3GHz TX output signal
gets high due to overpower. User can set shutdown signal level, function operates when switch is on.
Also, item is configured with delay control item to control 2.3GHz system delay. When user inputs
specific value on this delay window, 2.3GHz system delay applies with the user input value added.
④ 2.3GHz Channel Status
Item cannot be controlled on the ERU screen, the operator label, channel filter type, downlink
frequency, uplink frequency set from MHU per each operator can be checked.
• 2.5GHz Band Information
Figure 25. 2.5GHz ERU Band Information Screen.
① 2.5GHz TX Signal Monitoring and Control
The RF signal output level(Downlink) of 2.5GHz band received from the MHU, EHUB can be checked
on this item, and the output level can be manually adjusted by controlling ATTen. according to the
operator. Also, ALC function is configured for the user to automatically adjust output level by inputting
the desired ALC level and turning the function ON.
② 2.5GHz RX Signal Monitoring and Control
The RF signal input level(Uplink) of 2.5GHz band received from the terminal can be checked on