Editing Attachment Unit Interface (section)

== Pinout table ==
The DA-15 [[pinout]] is specified by the IEEE 802.3 standard and describes four differential pairs:

{| class="wikitable sortable " style="text-align: center;" | 
|-
|+!colspan="3" align="center"|Attachment Unit Interface [[Image:DA-15 DSubminiatures female.svg|300px]]
|-
!  Pin || Signal || Direction || Description
|-
| {{0}}3 || DO-A || AUI→MAU || style="text-align: left;" | Data Out Circuit A
|-
| 10 || DO-B || AUI→MAU || style="text-align: left;" | Data Out Circuit B
|-
| 11 || DO-S || AUI→MAU || style="text-align: left;" | Data Out Circuit Shield {{efn-lg|name=shield|Grounded in AUI and capacitively coupled to V<sub>C</sub> in MAU <ref name="spec"></ref>}}
|-
| {{0}}5 || DI-A || MAU→AUI || style="text-align: left;" | Data In Circuit A
|-
| 12 || DI-B || MAU→AUI || style="text-align: left;" | Data In Circuit B
|-
| {{0}}4 || DI-S || MAU→AUI || style="text-align: left;" | Data In Circuit Shield {{efn-lg|name=shield}}
|-
| {{0}}7 || CO-A || AUI→MAU || style="text-align: left;" | Control Out Circuit A
|-
| 15 || CO-B || AUI→MAU || style="text-align: left;" | Control Out Circuit B
|-
| {{0}}8 || CO-S || AUI→MAU || style="text-align: left;" | Control Out Circuit Shield {{efn-lg|name=shield}}
|-
| {{0}}2 || CI-A || MAU→AUI || style="text-align: left;" | Control In Circuit A
|-
| {{0}}9 || CI-B || MAU→AUI || style="text-align: left;" | Control In Circuit B
|-
| {{0}}1 || CI-S || MAU→AUI || style="text-align: left;" | Control In Circuit Shield {{efn-lg|name=shield}}
|-
| {{0}}6 ||   V<sub>C</sub> || – || style="text-align: left;" | Voltage Common (0 V) {{efn-lg|name=voltage|These two pins (V<sub>C</sub>/VP) use a single twisted pair between AUI and MAU <ref name="spec"></ref>}}
|-
| 13 ||   VP || – || style="text-align: left;" | Voltage Plus (+12 V) {{efn-lg|name=voltage}} {{efn-lg|VP is optional, but must provide a stable voltage for all current less than 500 mA <ref name="spec"></ref>}}
|-
| 14 ||   VS || – || style="text-align: left;" | Voltage Shield {{efn-lg|name=shield}}
|-
| Shell ||   PG || – || style="text-align: left;" | Protective Ground
|}

{{notelist-lg}}