Hello,
I don't know what IEEE488 is, but if you are using a JetDirect (internal or external) it is going to want to be programmed properly.
I would avoid the crossover cable and get the $30 hub or whatnot to wire it properly on a small network. Of course, then properly program the JD and the computer so they have the proper protocols installed and can work with each other.
Christian
kc0arf
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