- Keyboard
- Universal Serial Bus
- USB mouse/keyboard adaptor
- Serial ATA hard disk
- VGA video
- SCART video
- S-Video
- Games port
- Parallel port
- Interlink/laplink
- Serial leads
- Null Modem Cable
- Terminal
- RJ45 TP network
5 Pin DIN socket
Pin 1 Keyboard Clock (+5V signal level)
Pin 2 Keyboard Data (+5V signal level)
Pin 3 Keyboard Reset (Not used by keyboard)
Pin 4 Ground (0V)
Pin 5 +5V
5 Pin Din Plug (180 deg.)
-------------------------
solder view (or socket view)
2
+
4+ +5
+ +
1 3
6 Pin mini DIN socket
Pin 1 Keyboard Data (+5V signal level)
Pin 2 Keyboard Reset (Not used)
Pin 3 Ground (0V)
Pin 4 +5V
Pin 5 Keyboard Clock (+5V signal level)
Pin 6 N/C
shell Shield
6 Pin Mini-Din Plug
-------------------
solder view (or socket view)
1 2
+ +
3+ +4
+ +
5 6
Type A Plug (for USB controllers and hubs)
------------------------------------------
Solder/crimp view (or socket view)
________________
| x x x x |
| 1 2 3 4 |
| |
----------------
Pin 1 +5V Red
Pin 2 -Data White
Pin 3 +Data Green
Pin 4 GND Black
Type B Plug (for peripheral devices)
------------------------------------
Solder/crimp view (or socket view)
________
/ 2 1 \
| x x |
| x x |
| 3 4 |
----------
Pin 1 +5V Red
Pin 2 -Data White
Pin 3 +Data Green
Pin 4 GND Black
Mini-B Plug (for miniature peripheral devices)
----------------------------------------------
Solder/crimp view (or socket view)
___________________
| x x x x x |
| 1 2 3 4 5 |
| |
---------------
Pin 1 +5V Red
Pin 2 -Data White
Pin 3 +Data Green
Pin 4 key (not connected)
Pin 5 GND Black
Data rates for USB are:
USB 1.1 Specification 12 Mb/s
USB 2.0 Specification 480 Mb/s
USB 2.0 provides backward compatibility with USB 1.1
USB Function 5 Pin DIN 6 Pin ps/2
Pin 1 +5V Pin 5 Pin 4
Pin 2 -Data Pin 2 Pin 1
Pin 3 +Data/clock Pin 1 Pin 5
Pin 4 Ground Pin 4 Pin 3
shield shield shield
Signal Connector
----------------
Hard disk 'L' connector view (or back of cable receptacle)
< x x x x x x x ||
key 1 2 3 4 5 6 7 ||
==========================||
Motherboard Hard Disk
Pin 1 Ground Ground
Pin 2 +Tx Data +Rx Data
Pin 3 -Tx Data -Rx Data
Pin 4 Ground Ground
Pin 5 -Rx Data -Tx Data
Pin 6 +Rx Data +Tx Data
Pin 7 Ground Ground
Hard Disk Power Connector
-------------------------
Hard disk 'L' connector view (or back of cable receptacle)
|| x x x x x x x x x x x x x x x >
|| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 key
||==================================================
Pin 1 3.3V
Pin 2 3.3V
Pin 3 3.3V
Pin 4 Ground
Pin 5 Ground
Pin 6 Ground
Pin 7 5V
Pin 8 5V
Pin 9 5V
Pin 10 Ground
Pin 11 Reserved
Pin 12 Ground
Pin 13 12V
Pin 14 12V
Pin 15 12V
15 way D-type in a 9-way shell
Pin 1 Red (0 - 0.7V)
Pin 2 Green (0 - 0.7V)
Pin 3 Blue (0 - 0.7V)
Pin 4 N/C
Pin 5 Digital Ground
Pin 6 Red Return (Analog Ground)
Pin 7 Green Return (Analog Ground)
Pin 8 Blue Return (Analog Ground)
Pin 9 N/C
Pin 10 Digital Ground
Pin 11 N/C
Pin 12 N/C
Pin 13 Horizontal Sync (TTL)
Pin 14 Vertical Sync (TTL)
Pin 15 N/C
21 way SCART plug
Pin 1 Audio Right (out)
Pin 2 Audio Right (in)
Pin 3 Audio Left (out)
Pin 4 Audio Return (Analog Ground)
Pin 5 Blue Return (Analog Ground)
Pin 6 Audio Left (in)
Pin 7 Blue
Pin 8 Status / 16:9 Widescreen
Pin 9 Green Return (Analog Ground)
Pin 10 N/C
Pin 11 Green
Pin 12 N/C
Pin 13 Red Return (Analog Ground)
Pin 14 Fast Blanking Return
Pin 15 Red / Chrominance
Pin 16 Fast Blanking RGB
Pin 17 Composite Video (out) Return
Pin 18 Composite Video (in) Return
Pin 19 Composite Video (out)
Pin 20 Composite Video / Luminance (in)
Pin 21 Common Return
4 Pin Mini-Din plug
Solder/crimp view (or socket view)
4 + + 3
2 + + 1
__
Pin 1 Luminance Return (Ground)
Pin 2 Chrominance Return (Ground)
Pin 3 Luminance (Brightness)
Pin 4 Chrominance (Colour)
15 Pin D-type socket
Pin 1 +5V
Pin 2 Paddle 1 button, joystick A button
Pin 3 Paddle 1 position, joystick A x-coordinate
Pin 4 Ground
Pin 5 Ground
Pin 6 Paddle 2 position, joystick A y-coordinate
Pin 7 Paddle 2 button
Pin 8 Ground
Pin 9 Ground
Pin 10 Paddle 3 button, joystick B button
Pin 11 Paddle 3 position, joystick B x-coordinate
Pin 12 Ground
Pin 13 Paddle 4 position, joystick B y-coordinate
Pin 14 Paddle 4 button
Pin 15 +5V
All TTL signals, active high
25 way D-type socket 36 way Centronics Plug
Pin 1 In/Out /Strobe Pin 1
Pin 2 In/Out D0 Pin 2
Pin 3 In/Out D1 Pin 3
Pin 4 In/Out D2 Pin 4
Pin 5 In/Out D3 Pin 5
Pin 6 In/Out D4 Pin 6
Pin 7 In/Out D5 Pin 7
Pin 8 In/Out D6 Pin 8
Pin 9 In/Out D7 Pin 9
Pin 10 In /Ack Pin 10
Pin 11 In Busy Pin 11
Pin 12 In Paper end Pin 12
Pin 13 In Select Pin 13
Pin 14 Out /Auto feed XT Pin 14
Pin 15 In /Error Pin 32
Pin 16 Out /Init Pin 31
Pin 17 Out /Select in Pin 36
Pins 18 to 25 of the 25 way socket are Ground
Pins 19 to 30 of the 36 way plug are ground
In a cable designed for fast bidrectional use (for example to a scanner), the
grounding arrangements are defined to the IEEE-1284 standard. Each signal has
its own return path and connections are made with twisted pairs with
an overall screen.
All signals are TTL, '/' = active low, all others active high
Pin 2 -- Pin 15
Pin 3 -- Pin 13
Pin 4 -- Pin 12
Pin 5 -- Pin 10
Pin 6 -- Pin 11
Pin 15 -- Pin 2
Pin 13 -- Pin 3
Pin 12 -- Pin 4
Pin 10 -- Pin 5
Pin 11 -- Pin 6
Pin 25 -- Pin 25 (Ground)
____________FROM_______________ _____________________TO______________________
PC PC Apple PC PC Printer Modem Apple
25-pin 9-pin 8-pin 25-pin 9-pin 25-pin 25-pin 8-pin
skt skt plug skt skt plug plug plug
Pin 2 Pin 3 Pin 3 Pin 3 Pin 2 Pin 3 Pin 2 Pin 5
Pin 3 Pin 2 Pin 5 Pin 2 Pin 3 Pin 2 Pin 3 Pin 3
Pin 4 Pin 7 Pin 1 Pin 5+6+8 Pin 1+6+8 Pin 6 Pin 20 N/C
Pin 5+6+8 Pin 1+6+8 N/C Pin 4 Pin 7 Pin 20 Pin 8 Pin 1
Pin 7 Pin 5 Pin 4 GROUND Pin 7 Pin 5 Pin 7 Pin 7 Pin 4
8 Pin Mini-Din Plug
-------------------
solder view (or socket view)
1 2
+ +
3+ +4 +5
+ + +
6 7 8
9-pin 9-pin
skt skt
Pin 1+6 Pin 4
Pin 2 Pin 3
Pin 3 Pin 2
Pin 4 Pin 1+6
Pin 5 GROUND Pin 5
Pin 7 Pin 8
Pin 8 Pin 7
Terminal PC PC
25-pin 9-pin 25-pin
skt skt skt
Pin 7 GROUND Pin 5 Pin 7
Pin 2 Pin 2 Pin 3
Pin 3 Pin 3 Pin 2
Pin 20 Pin 1+6+8 Pin 5+6+8
Pin 5+6+8 Pin 4 Pin 20
Pin Wall socket Function - Function -
wire colour MDI devices MDIX devices
Pin 1 White/Orange TX+ RX+
Pin 2 Orange TX- RX-
Pin 3 White/Green RX+ TX+
Pin 6 Green RX- TX-
Pin 4 Blue BD3+ BD4+
Pin 5 White/Blue BD3- BD4-
Pin 7 White/Brown BD4+ BD3+
Pin 8 Brown BD4- BD3-
Pins 1,2,3,6 are used in 10BaseT (10Mb/s) and 100BaseT (100Mb/s) networking.
All pins are used in 1000BaseT (1000Mb/s) networking.
TX = Transmit RX = Receive BD = Bidirectional
Workstation network cards are MDI devices. Hubs are MDIX (crossover) devices.
To connect PCs and hubs together use straight-through wiring.
To connect e.g. two hubs or two PCs together use cross-over wiring (many hubs have a port which can be switched between MDI and MDIX).
RJ45 Patch Lead Wiring
Viewing RJ45 plug with copper connectors uppermost
---------------------
| 1 2 3 4 5 6 7 8 |
| | | | | | | | | | 1. White/Orange
| | 2. Orange
| | 3. White/Green
| | 4. Blue
| | 5. White/Blue
| | 6. Green
| | 7. White/Brown
| | 8. Brown
| |
-----| |-----
| |
| |
| |
~ ~ ~ ~ ~
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