Grass Valley NV9000-SE v.5.0 - Manual (Page 438)

420
Tielines
Tieline Configuration Page
Basic Information
The basic information section has 3 fields.
The ‘Name’ field displays the tieline’s name. It is basically a reminder of which tieline you are
viewing, but you can also change the name of the tieline here.
The ‘Cost’ field displays the tieline’s relative cost. You can edit this field here. The cost is a value
relative to the costs of other tielines and represents, effectively, the energy required to send a
signal on that tieline.
The ‘Description’ field is a place where you can write comments about the tieline. The field is
free-format.
Up- and Downstream Router Parameters
The ‘Upstream’ section. at the left side of the page, has 3 subsections and the ‘Downstream’
section, at the right side of the page. have 3 subsections:
• Physical Levels
• Virtual Levels
• Signal Types
The 3 sections on the left function the same way as the 3 sections on the right.
Physical Levels
The ‘Physical Levels’ sections list the names of all router partitions (i.e., physical levels) defined in
your configuration. For each partition, there is a check box.
When you check any box on the ustream side, a large green rectangle appears in the ‘Graph’
section of the page. The green rectangle is labeled by the name of the partition you checked
and has at its right side a series of numbers, which are the output port numbers of that partition.
When you check any box on the downstream side, a large yellow rectangle appears in the
‘Graph’ section of the page. The yellow rectangle is labeled by the name of the partition you
checked and has at its left side a series of numbers, which are the input port numbers of that
partition.
(Tielines connect an output of an upstream partition to an input of a downstream partition.)
You will create tielines by drawing a line from a port of a green rectangle to a port of a yellow
rectangle. You can draw multiple lines in many cases. You cannot draw a line unless you have
selected at least one upstream partition and at least one downstream partition in the ‘Physical
Levels’ sections. That is, there must be at least one green rectangle and at least one yellow
rectangle.
 The rectangles tend to be extremely tall and do not fit well in the ‘Graph’ window. You will
have to scroll to find the ports you need. You can also drag the rectangles to reposition them
more optimally.
Virtual Levels
Until you have drawn a line in the ‘Graph’ section and until one line is selected, the ‘Virtual
Levels’ sections (upstream and downstream) remain empty. So also do the ‘Signal Types’
sections.