Because 802.3 AUI cables provide a ground shield isolated from the signal and power pair shields, the cables provide additional noise immunity in noisy operating environments.
Cable Pinouts
Table 8 shows the proper pinouts for Ethernet Version 2.0 and IEEE 802.3 AUI cables.
Table 8. AUI Cable Pinout Chart
Pin | 802.3 | V2.0, V1.0 |
|
|
|
1 | Shield | |
|
|
|
2 | Collision Presence + | |
|
|
|
3 | Transmit + | |
|
|
|
4 | Reserved | |
|
|
|
5 | Receive + | |
|
|
|
6 | V | Power Return |
|
|
|
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