Grass Valley 2020DAC D-To-A - Manual (Page 10)

4 2020DAC Instruction Manual
2020DAC 4-Channel Audio Digital to Analog Converter
6. With the component side up, insert the front media module in the
corresponding front slot (see
Figure 4 ).
7. Verify that the module connector seats properly against the midplane
and rear module connector.
8. Press firmly on both ejector tabs to seat the module.
Figure 4. Installing Front Media Module
Cabling
The 2020DAC module provides two balanced 110 Ω inputs and two unbal-
anced 75
Ω
inputs and four balanced analog, differential outputs shown in
Figure 5 . Set the module to use either balanced or unbalanced inputs using
the local jumpers explained in Local On-board Module Configuration on
page 8 .
Figure 5. 2020DAC Input/Output Connectors
2020DAC
Alignment post and receptacle
8023-06r1
2000 Frame (front view)
Board edge
guides
Board edge
guides
2020
DAC
J2 J1 J4 J3
IN CH3/4
G – +
CH3 (L) OUT CH4 (R) OUT
G – + G – +
J8 J7
G – + G – +
CH1 (L) OUT CH2 (R) OUT
J10 J9
G – +
IN CH1/2
8023
_
03
r1