RDM Responder Tests and background DMX

[ericthegeek]

Originally Posted by ericthegeek

In older versions of DMX (USITT DMX512) you could send variable length packets. I don't remember if E1.11 disallows that or not, but it's always been a bad practice.

I finally had a chance to pull out my copy of E1.11-2008. In section 8.5.1 it says:

"Once a controller is configured for a particular application, all NULL START Code packets should have the same number of slots."

Now, that's a "should", not a "shall", so variable length NSC packets don't strictly violate the standard. Still, it's a *very* bad practice.