Burst Electronics HDA4 - Manual (Page 3)

Lock – The LED is Green indicating the input video
signal is present. The LED is off when indicating that
incoming digital video is not present.
Power —ON/OFF power switch. Up position turns
power ON, Down position turns power off.
5Vdc – Power connector (see Specifications for
power requirement).
SDI Input – This is the input BNC for SDI video.
SDI Outputs
– Four BNCs video output
connections (HDA4) or two BNC video output
connections (HDSR).
HDA4 & HDSR HD/SD SDI Distribution Amplifiers 3