This varies the '+ 12 V' to control the speed.
+---+
1 GND | * |
2 + 12 V ||* |
3 Tach / Signal / Sense | * |
+---+
+---+
1 GND | * |
2 + 12 V ||* |
3 Tach / Signal / Sense | * |
4 Control / PWM | * |
+---+
+--+
2 |oo| < 1 GND
4 |oo| 3 GND
6 |oo| 5 GND
8 Index |oo| 7 GND
10 Mot En A |oo| 9 GND
12 Drv Sel B |oo| 11 GND
14 Drv Sel A |oo| 13 GND
16 Mot En B |oo++ 15 GND
18 Direction |oo | 17 GND
20 Step Pulse |oo++ 19 GND
22 Write Data |oo| 21 GND
24 Write Enable |oo| 23 GND
26 Track 0 |oo| 25 GND
28 Write Protect |oo| 27 GND
30 Read Data |oo| 29 GND
32 Select Head 1 |oo| 31 GND
34 |oo| 33 GND
+--+
DA-15 Female
8 7 6 5 4 3 2 1
-----------------------
\ o o o o o o o o /
\ o o o o o o o /
-------------
1
5 4 3 2 1 0 9
1 + 5 V (common for 1st set of pots) 2 Button 1 3 X Axis 1 (0-100 kOhm) 4 GND (ground for button 1) 5 GND 6 Y Axis 1 (0-100 kOhm) 7 Button 2 8 + 5 V 9 + 5 V (common for 2nd set of pots) 10 Button 4 11 X Axis 2 (0-100 kOhm) 12 Midi TX 13 Y Axis 2 (0-100 kOhm) 14 Button 3 15 Midi RX
Some MIDI keyboards get their power from this connector.
+--+
2 GND |oo| < 1 -Reset
4 DD 8 |oo| 3 DD 7
6 DD 9 |oo| 5 DD 6
8 DD 10 |oo| 7 DD 5
10 DD 11 |oo| 9 DD 4
12 DD 12 |oo| 11 DD 3
14 DD 13 |oo| 13 DD 2
16 DD 14 |oo| 15 DD 1
18 DD 15 |oo| 17 DD 0
20 Keypin | o | 19 GND
22 GND |oo | 21 DMARQ
24 GND |oo| 23 -DIOW
26 GND |oo| 25 -DIOR
28 SPSync |oo| 27 IORDY
30 GND |oo| 29 -DMACK
32 -IOCS16 |oo| 31 INTRQ
34 -PDiag |oo| 33 DA 1
36 DA 2 |oo| 35 DA 0
38 -CS3FX |oo| 37 -CS1FX
40 GND |oo| 39 -DASP
+--+
+--+
B01 GND |[]| A01 -I/O CH CK
B02 RESET DRV |[]| A02 D7
B03 +5 V |[]| A03 D6
B04 IRQ 2 |[]| A04 D5
B05 -5V |[]| A05 D4
B06 DRQ 2 |[]| A06 D3
B07 -12 V |[]| A07 D2
B08 reserved |[]| A08 D1
B09 +12 V |[]| A09 D0
B10 GND |[]| A10 -I/O CH RDY
B11 -MEMW |[]| A11 AEN
B12 -MEMR |[]| A12 A19
B13 IOW |[]| A13 A18
B14 IOR |[]| A14 A17
B15 -DACK 3 |[]| A15 A16
B16 DRQ 3 |[]| A16 A15
B17 -DACK 1 |[]| A17 A14
B18 DRQ 1 |[]| A18 A13
B19 -DACK 0 |[]| A19 A12
B20 CLK |[]| A20 A11
B21 IRQ 7 |[]| A21 A10
B22 IRQ 6 |[]| A22 A9
B23 IRQ 5 |[]| A23 A8
B24 IRQ 4 |[]| A24 A7
B25 IRQ 3 |[]| A25 A6
B26 -DACK 2 |[]| A26 A5
B27 T/C |[]| A27 A4
B28 ALE |[]| A28 A3
B29 +5 V |[]| A29 A2
B30 OSC |[]| A30 A1
B31 GND |[]| A31 A0
+--+
D01 MEM CS 16 |[]| C01 -SBHE
D02 IO CS 16 |[]| C02 A23
D03 1RQ 10 |[]| C03 A22
D04 IRQ 11 |[]| C04 A21
D05 IRQ 12 |[]| C05 A20
D06 IRQ 15 |[]| C06 A19
D07 IRQ 14 |[]| C07 A18
D08 -DACK 0 |[]| C08 A17
D09 DRQ 0 |[]| C09 -MEMR
D10 -DACK 5 |[]| C10 -MEMW
D11 DRQ 5 |[]| C11 D8
D12 -DACK 6 |[]| C12 D9
D13 DRQ 6 |[]| C13 D10
D14 -DACK 7 |[]| C14 D11
D15 DRQ 7 |[]| C15 D12
D16 +5 V |[]| C16 D13
D17 -MASTER |[]| C17 D14
D18 GND |[]| C18 D15
+--+
1 CLK 2 DATA 3 -RESET 4 GND 5 +5 V
1 PG 2 nc 3 +12 V 4 -12 V 5 GND 6 GND 7 GND 8 GND 9 -5 V 10 +5 V 11 +5 V 12 +5 V
1 +12 V (max 60 W) 2 GND 3 GND 4 +5 V (max 25 W)
1 2 3 4 5
-----------------
\ * * * * * /
\ * * * * /
-------
6 7 8 9
DE-9 Male
1 DCD Data Carrier Detect 2 RXD Received Data 3 TXD Transmitted Data 4 DTR Data Terminal Ready 5 GND GrouND 6 DSR Data Set Ready 7 RTS Request To Send 8 CTS Clear To Send 9 RI Ring Indicator
1
1 2 3 4 5 6 7 8 9 0 1 2 3
---------------------------------
\ * * * * * * * * * * * * * /
\ * * * * * * * * * * * * /
-----------------------
2
4 5 6 7 8 9 0 1 2 3 4 5
DB-25 Male
1 nc 2 TXD Transmitted Data 3 RXD Received Data 4 RTS Request To Send 5 CTS Clear To Send 6 DSR Data Set Ready 7 GND GrouND 8 DCD Data Carrier Detect 9 TEST 10 TEST 11 STF Select Transmit Frequency 12 SDCD Secondary DCD 13 SCTS Secondary CTS 14 STXD Secondary TXD 15 TXC DCE TX Clock 16 SRXD Secondary RXD 17 RXC RX Clock 18 nc 19 SRTS Secondary RTS 20 DTR Data Terminal Ready 21 SQ Signal Quality 22 RI Ring Indicator 23 CH/CI rate select 24 XTC DTE TX Clock 25 nc
Pin 1 used to be 'protective ground', but is now obsolete;
The shield is connected to the connector shell at both ends of the cable.
5 4 3 2 1
-----------------
\ o o o o o /
\ o o o o /
-------
9 8 7 6
DE-9 Female
1 GND 2 GND 3 R 4 G 5 B 6 I 7 MONO 8 HSYNC 9 -VSYNC
2 1
0 8 6 4 2 0 8 6 4 2
+----------------------+
\ | | | | | | | | | | |
| | | | | | | | | | ||
+--------------------+
2 1
1 9 7 5 3 1 9 7 5 3 1
1 Right out 3 Left out 5 B Gnd 7 B / Pb 9 G Gnd 11 G / Y 13 R Gnd 15 R / Pr / Chroma 17 Sync / Video / Y Gnd 19 Sync / Video / Y out 21 Screen 2 Right in 4 Audio Gnd 6 Left in 8 Source select, 0...2 V no singnal, 4.5...7 V 16:9, 9.5...12 V 4:3 10 D²B In 12 D²B Out 14 D²B + RGB selection GND 16 Insert 0...0.4 V Comp, 1...3 V RGB 18 Insert Gnd 20 Sync / Video / Y in
5 4 3 2 1
-----------------
\ o o o o o /
\ ₁₀o o₉o₈o₇o₆/
\ o o o o o /
----------
1 1 1 1 1
5 4 3 2 1
DE-15 Female
1 R 2 G 3 B 4 MID 2 5 GND 6 R ret 7 G ret 8 B ret 9 key 10 SYNC ret 11 MID 0 12 MID 1 13 HSYNC 14 VSYNC 15 reserved