[13a] ronja/pc_interface/bakulak/aui03.jpg

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AUI cable (left), signal cable (right)

AUI cable: power, one NIC -> Ronja data wire, two (symmetrical) Ronja -> NIC wires, ground (shield)

Signal cable: two shielded wires (75 ohm or 50ohm or 93 ohm) that carry TX and RX signal to and from the optical head.