Nikon MB-D100 Data Connector
This connector pinout should work for all Nikon’s with the 10-pin port. This page is for educational use only and not recommended for implementation. Do so at your own risk.
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Camera Voltages |
Wire to PC Serial Port |
RS-232 Equivalent |
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| Pin | Name | OFF | ON | Standby | DB-9 | DB-25 | DB-9 | DB-25 |
|
1
|
Data Rx
|
0
|
4.8
|
3
|
3
|
2
|
2 | 3 |
|
2
|
+Vbat
|
6V
|
6
|
6
|
–
|
–
|
– | – |
|
3
|
+Vcc
|
0
|
5
|
0
|
–
|
–
|
– | – |
|
4
|
Shutter
|
0
|
4.5
|
0
|
–
|
–
|
– | – |
|
5
|
Unk
|
0
|
4.5
|
0
|
–
|
–
|
– | – |
|
6
|
Sig GND
|
0
|
0
|
0
|
5
|
7
|
7 | 5 |
|
7
|
Frame GND
|
0
|
0
|
0
|
–
|
–
|
– | – |
|
8
|
Data Tx
|
0
|
0
|
0
|
2
|
3
|
3 | 2 |
|
9
|
AF/Meter ON
|
0
|
3V or 0V with half pressed release |
3V or 0V with half pressed release |
–
|
–
|
– | – |
|
10
|
Unk
|
0
|
0
|
0
|
–
|
–
|
– | – |
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