User's Manual

Confidential&Proprietary120/122 SC‐DAS
7.3 AutomaticOutputpowersettingfunction(TXOutputAGC)
Toprovideconvenienceofsettingoutputpoweratinitialsetupautomatically,setoutputto
desired level and turn‐on the AGC function. The output power is automatically set to
definedlevel.
 AfterAGClogiciscomplete,logicoperationresultswillshowontheresultwindowofthe
GUI.Thereare
threetypesofresultsasfollows
1. Success:TheAGSfunctionisnormallycompleted.
2. NotOpterateOPTICComp:OpticCompisnotexecuted.
3. LackofATT:Thereisnoattenuationavailable.
Ifnormallogiccan’tbeexecuted,changedATTwillreturntoinitialATT
Through the output AGC function,
 it can be verified whether optic compensation is
executedornot.

7.4 InputpowerAGCfunction(TXInputAGC)
Thisfunctionistohelptheoperatorwithinitialsettingduringinstallation.
Without a spectrum analyzer, we can see the input power value through power display
window of the GUI. Use the TX IN AGC function and automatically set the internal ATT
depending on the input level. The ATT is automatically
 set based on‐20dBm input . The
tablebelowshowsTXINATTdependingonTXINPOWER.Formanualsetting,youcanset
ATTdependingoninputaccordingtothetable.

TXINPOWER TXINATT TXINPOWER TXINATT TXINPOWER TXINATT
‐20dBm 0dB ‐9dBm 11dB +1dBm 21dB
‐19dBm 1dB ‐8dBm 12dB +2dBm 22dB
‐18dBm 2dB ‐7dBm 13dB +3dBm 23dB
‐17dBm 3dB ‐6dBm 14dB +4dBm 24dB
‐16dBm 4dB ‐5dBm 15dB +5dBm 25dB
‐15dBm 5dB ‐4dBm 16dB +6dBm 26dB
‐14dBm 6dB ‐3dBm 17dB +7dBm 27dB
‐13dBm 7dB ‐2dBm 18dB +8dBm 28dB