What is AUI(Attachment Unit Interface)?
AUI stands for Attachment Unit Interface. AUI is a portion of Ethernet standards that specifies how a cable is going to connect to an Ethernet card. AUI is a physical and logical interface. AUI is defined in IEEE 802.3 standard for 10BASE5 Ethernet. AUI connector is a 15 port connector that provides a path between an Ethernet node’s Physical Signaling and the Medium Attachment Unit (MAU).
S.No. | Signal | Description |
---|---|---|
1 | CI-S | Control In Circuit Shield |
2 | CI-A | Control In Circuit A |
3 | DO-A | Data Out Circuit A |
4 | DI-S | Data In Circuit Shield |
5 | DI-A | Data In Circuit A |
6 | VC | Voltage Common (0 V) |
7 | CO-A | Control Out Circuit A (not used) |
8 | CO-S | Control Out Circuit Shield (not used) |
9 | CI-B | Control In Circuit B |
10 | DO-B | Data Out Circuit B |
11 | DO-S | Data Out Circuit Shield (not used) |
12 | DI-B | Data In Circuit B |
13 | VP | Voltage Plus (+12 V) |
14 | VS | Voltage Shield (not used) |
15 | CO-B | Control Out Circuit B (not used) |
Shell | PG | Protective Ground |
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