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Cobalt Digital COMPASS 9223-SA Dual-Channel 3G_HD_SD MPEG-4 Encoder Unit User Manual

Page 64

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64

9223SA-OM (V2.0)

ASI Output
Parameters

Input Selection
Connection
Parameters

The configuration screen can be divided into two parts:

ASI Output Parameters

Input Selection Connection Parameters

The ASI Output Parameters are:

Port Name: All 9223-SA encoders and outputs can be assigned a user-defined Port
Name
. This name is used to identify the port later when making connections. Use any
descriptive name suitable for your application, or accept the default.

Packet Size: Select between 188 and 204 bytes.

ASI Rate: The following two modes are available:

o

Manual: In this mode, the ASI output bit rate is set to the value entered in the Bit
Rate
field. The ASI output will maintain this rate at all times, as follows:

ƒ

If there is no connection to the ASI port, or if the input connected to the
ASI port is not active, the ASI port will transmit NULL packets.

ƒ

If the connected input bit rate is lower than the rate entered in the Bit Rate
field, the ASI port will add NULL packets as required to pad it to the
desired value. PCR packets will be re-stamped as required.

ƒ

If the connected input bit rate is higher than the rate entered in the Bit
Rate
field, the ASI port will attempt to remove NULL packets from the