Icom IC-R9000L [33/72] 4 accessory socket information

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SYSTEM INTERCONNECT 5 4 ACCESSORY SOCKET INFORMATION ACC SOCKET PIN NO PIN NAME DESCRIPTION SPECIFICATIONS 1 ANT SW Outputs 5 V when the ANTENNA switch is ON 2 GND Connected to ground 3 SEND When grounded attenuator activates and then audio is muted 4 NC No connection 5 AF AF detector output Fixed regardless of AF GAIN Output impedance 47 kQ Output level 100 300mVrms 6 SQL S Squelch output Goes to ground when squelch opens Squelch open Squelch closed Less than 0 3 V 5 m More than 6 0 V 100 7 13 8 V 13 8 V output when power is ON Output current 100 mA 8 M OUT Outputs S meter level Output voltage 0 approx 4 V Output impedance 10 kil Output current 100 MA max Output impedance 10 kQ GROUND level Input current 0 5 0 8 V Less than 20 mA DATA IN SOCKET PIN NO PIN NAME DESCRIPTION 1 DATA IN ASCII code input for the terminal monitor screen 2 VIDEO GND Connected to ground 3 VIDEO Video signal output 4 DATA GND Connected to ground NC No connection 5 8 SPECIFICATIONS RS 232C level Output level 1 V p p Output impedance 75 2

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