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The first drop-down selection field is used to stipulate the number of columns in the checking

matrix. There are 1 to 20 columns or the selection “Off” available here. The second drop-down

selection field is used to stipulate the number of rows in the checking matrix. There are 4 to 20

rows or the selection “Off” available here. The third selection field is used to select one-dimension-

al or two-dimensional FEC (Col+Row = two-dimensional/Col only = one-dimensional over

columns).

The mode of the FEC can be selected to be “Plain”, “Annex A” or “Annex B” in line with ProMpeg

COP3 (SMPTE 2022-1). Please note that plain FEC results in a burst behavior for the data rate,

and hence Annex A and Annex B are preferable. It should be noted that the product of the number

of columns (L) and the number of rows (D) is ≤ 100 (L x D ≤ 100).

10 IP setting for reception ports

Clicking on the „IP RX1-1 - IP RX16“ submenu takes you to the IP settings for the desired recep-

tion port.

Figure 13: Setting details for the reception port

The “Receive IP:Port” line is used to input the IP address and the UDP port at which the U 262

Gateway needs to receive the data stream.

User Guide

U 262

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ASTRO U 262 Guida Utente Pagina 15