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7700 MultiFrame Manual
7721AE8-DEE-HD HD-SDI/SD-SDI Audio Embedder with Dolby Encoder
2.4.
METADATA I/O
The 7721AE8-DEE-HD provides a DB-9 connector for the handling of metadata. The 7721AE8-DEE-HD
can transmit Metadata; receive Metadata or both, depending on the application.
For the cases where the module is either transmitting or receiving metadata, a typical 9-pin serial cable
(not provided) can be used to connect the modules to a Dolby device, such as the Dolby DP570 (refer to
Table 2-4 for the pin assignments of the DB-9 connector).
PIN
Number
on
Connector
1
2
3
4
5
6
7
8
9
Table 2-4: Metadata Transmit or Receive Pin Assignments
2.5.
GENERAL PURPOSE INPUTS AND OUTPUTS
The 7721AE8-DEE-HD has 2 GPIs available on the AES IN port. Currently, the GPIs are not available
and are reserved for future use. The 7721AE8-DEE-HD does not have any GPOs.
Page-6
"TxRx" Module Operation
(see section 6.11.2
for settings)
equivalent to metadata
input port on DP570
Shield
TX A asynchronous out -
RX B asynchronous out +
Ground
NC
Ground
TX B asynchronous out +
RX A asynchronous out -
Shield
Revision 1.2
"RxTx" Module Operation
(see section 6.11.2
for settings)
equivalent to metadata
output port on DP570
Shield
RX A asynchronous out -
TX B asynchronous out +
Ground
NC
Ground
RX B asynchronous out +
TX A asynchronous out -
Shield
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