SDI Input Board
AV-HS04M1
INPUTS: HD/SD-SDI x 2(BNC)(Built-in Up-converter)

Analog Component Input Board
AV-HS04M2
INPUTS: HD/SD Analog Component x 2(Y/Pb/Pr)
(Built-in Up-converter)

DVI Input Board
AV-HS04M3
INPUTS: DVI-I x 2(Built-in Scaler)

Analog Composite Input Board
AV-HS04M6**
INPUTS: Analog Composite x 2(Built-in Up-converter)

Full HD DVI Input Board
AV-HS04M8*
INPUTS: DVI-D x 2 (compatible with WUXGA)

Analog Output Board
AV-HS04M4
OUTPUTS: HD/SD Analog Component x 2(Y/Pb/Pr)

DVI/Analog Output Board
AV-HS04M5
OUTPUTS: DVI-I x 1, Analog Component x 1(Y/Pb/Pr)

SDI Output Board
AV-HS04M7**
OUTPUTS: HD/SD-SDI x 2 (Each one has 2 outputs)(BNC)(Built-in Down-converter)