[FallenAngel]

I use a cat5e cable with RJ45 connector from my ESI Juli@ soundcard to the North Star m192 DAC.

The pinout is as follows:

I2S
I2s Data
Serial Bit Clock
Left/Right Word Clock
Master Clock

CAT5
Brown / Brown-White
Green / Green-White
Blue / Blue-White
Orange / Orange-White

RJ45
8 - Serial Bit Clock (64fs)
7 - Serial Bit Clock Ground
6 - I2S Data
5 - I2S Data Ground
4 - Left/Right Word Clock (fs)
3 - Left/Right Word Clock Ground
2 - Master Clock (256fs)
1 - Master Clock Ground