Cobalt Digital COMPASS 9220 Bidirectional ASI_MPTS Gateway - Manual (Page 20)

20 9220-UM V1.1
If you are setting up an ASI input, there are no more parameters to configure. If you are
configuring an ASI output, select Transmit on the ASI Mode parameter; the ASI output
parameters become available, as depicted below:
ASI Output
Parameters
Connection
Parameters
ASI Output
Parameters
Connection
Parameters
The above configuration screen can be divided into two parts:
•
ASI Output Parameters
•
Connection Parameters
The Connection Parameters are common to all outputs, and are described in the Connections
section, later in this document. The ASI Output Parameters are:
•
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.