Grass Valley STORM 3G Elite - Manual (Page 29)

STORM 3G ELITE ― Setup Guide 
Part names
[11] HDMI OUTPUT (TYPE A)
HDMI output.
[12] HD/SD SDI A IN (BNC)
SDI input of HD/SD.
[13] HD/SD SDI A OUT (BNC)
Independent SDI for simultaneous output of HD and SD.
[14] HOST INTERFACE
Terminal to connect STORM 3G Elite to a desktop or
laptop PC, using the attached STORM 3G Elite Desktop
PC connection cable or STORM 3G Elite Laptop PC
connection cable.
[15] HD/SD SDI B IN (BNC)
SDI input of HD/SD.
[16] HD/SD SDI B OUT (BNC)
Independent SDI for simultaneous output of HD and SD.
[17] DC IN
Terminal to connect the attached AC adapter.