Влад, есть еще IEEE1394
6 PIN IEEE1394 (with Power) Pin Name Description
1 Power Unregulated DC; 30 V no load
2 Ground Ground return for power and inner cable shield
3 TPB- Twisted-pair B, differential signals
4 TPB+ Twisted-pair B, differential signals
5 TPA- Twisted-pair A, differential signals
6 TPA+ Twisted-pair A, differential signals