Desirable electrical qualities for line level interconnects

[mansr]

Yes the receiver failing to lock onto the clock. I see I both mis-spelled synch as sink. And gave the wrong idea. I've run into it a few times. One device is too far from the other in clock speed and they don't lock up. Or it won't stay locked up.

The standard specifies tolerances for clock frequency and jitter, both fairly generous. Do you recall what devices you had trouble with?