Grass Valley 8920ADT - Manual (Page 10)

4 8920ADT Instruction Manual
8920ADT Analog Audio to AES/EBU Converter with Delay Tracking
Cabling
Inputs
The 8920ADT receives a pair of balanced differential analog inputs (left and
right channels) via the rear plug-in adapter connected to BNCs J1 – J4 as
shown in
Figure 3 . Connect a balanced input source to the stereo pair input
terminal block as specified in Table 2 .
CAUTION The input signal must be balanced. Connecting an unbalanced input signal at
high signal levels may damage the input receivers.
Figure 3. 8920ADT Input/Output Connectors
Table 2. Balanced Input Connections
Audio Channel Input Terminal Block
Left L +, GND, L –
Right R +, GND, R –
J2
J4
J6
J8
J9
J10
IN
DAx
O
U
T
J5
J7
J6
J8
8067_02
J3
J1
J4
J2
AES output (-)
Delay control in
Delay control out
(buffered output)
AES output (+)
Reference
loop-through input
Balanced
input adapter
Balanced
output adapter
R+
GND
R–
L+
GND
L–
Grass Valley
Adapter
Grass Valley
Adapter
+
GND
–