Extron electronics VNM EC 200, User Manual, Page: 46 / 242

For each of the multicast group addresses, the VNM EC 200 creates two port numbers. The
table below details how port numbers are derived.
Default Multicast Address Port Numbers
Port Type Port Format Description and Comments
Base port number
9004
Derived port
number (even)
9004 + xxxyyzzzzzzzzE
x
represents the channel number
in the range 0 to 4.
–
Encoders are always 0.
–
Recorder channels are 0 to 4
as appropriate.
y represents the stream element
number.
–
00 = audio
–
01 = video
–
10 = whiteboard
–
11 = data
z represents the value of the last
octet in the host IP address.
E represents the last bit.
–
0
makes the port number an
even value.
–
0 + 1 makes the port number an
odd value.
Derived port
number (odd)
9004 + xxxyyzzzzzzzz0 + 1
Derived even port number plus 1.
VNM EC 200 • Advanced Controller Configuration 36