User:Div60/sandbox


EIA/TIA-568A and 568B pinouts

PinT568A PairT568B Pair1000BASE-T Signal IDWireT568A ColorT568B ColorPins on plug face (socket is reversed)
132DA+tipPair 3 Tip
white/green stripe
Pair 2 Tip
white/orange stripe
232DA-ringPair 3 Ring
green solid
Pair 2 Ring
orange solid
323DB+tipPair 2 Tip
white/orange stripe
Pair 3 Tip
white/green stripe
411DC+ringPair 1 Ring
blue solid
Pair 1 Ring
blue solid
511DC-tipPair 1 Tip
white/blue stripe
Pair 1 Tip
white/blue stripe
623DB-ringPair 2 Ring
orange solid
Pair 3 Ring
green solid
744DD+tipPair 4 Tip
white/brown stripe
Pair 4 Tip
white/brown stripe
844DD-ringPair 4 Ring
brown solid
Pair 4 Ring
brown solid

RJ45 to balanced audio/XLR

PinAnalog signalAES/EBUT568A ColorT568B ColorPins on plug face (socket is reversed)
1L+AES+Pair 3 Tip
white/green stripe
Pair 2 Tip
white/orange stripe
2L-AES-Pair 3 Ring
green solid
Pair 2 Ring
orange solid
3R+n/cPair 2 Tip
white/orange stripe
Pair 3 Tip
white/green stripe
4GndGndPair 1 Ring
blue solid
Pair 1 Ring
blue solid
5n/cn/cPair 1 Tip
white/blue stripe
Pair 1 Tip
white/blue stripe
6R-n/cPair 2 Ring
orange solid
Pair 3 Ring
green solid
7-15-15Pair 4 Tip
white/brown stripe
Pair 4 Tip
white/brown stripe
8+15+15Pair 4 Ring
brown solid
Pair 4 Ring
brown solid


Power over Ethernet, IEEE 802.3af standards A and B

PINS on SwitchT568A ColorT568B Color 10/100 DC on Spares (mode B)  10/100 Mixed DC & Data (mode A)  1000 (1 Gigabit) DC & Bi-Data (mode B)  1000 (1 Gigabit) DC & Bi-Data (mode A) 
Pin 1Pair 3 Tip
white/green stripe
Pair 2 Tip
white/orange stripe
Rx +Rx +             DC +TxRx A +TxRx A +             DC +
Pin 2Pair 3 Ring
green solid
Pair 2 Ring
orange solid
Rx -Rx -              DC +TxRx A -TxRx A -              DC +
Pin 3Pair 2 Tip
white/orange stripe
Pair 3 Tip
white/green stripe
Tx +Tx +             DC -TxRx B +TxRx B +             DC -
Pin 4Pair 1 Ring
blue solid
Pair 1 Ring
blue solid
DC +unusedTxRx C +             DC +TxRx C +
Pin 5Pair 1 Tip
white/blue stripe
Pair 1 Tip
white/blue stripe
DC +unusedTxRx C -             DC +TxRx C -
Pin 6Pair 2 Ring
orange solid
Pair 3 Ring
green solid
Tx -Tx -             DC -TxRx B -TxRx B -             DC -
Pin 7Pair 4 Tip
white/brown stripe
Pair 4 Tip
white/brown stripe
DC -unusedTxRx D +             DC -TxRx D +
Pin 8Pair 4 Ring
brown solid
Pair 4 Ring
brown solid
DC -unusedTxRx D -             DC -TxRx D -


Ethernet crossover cables

Two pairs crossed, two pairs uncrossed
10BASE-T or 100BASE-TX crossover
PinConnection 1: T568A
Connection 2: T568B
Pins on plug face
signalpaircolorsignalpaircolor
1BI_DA+3Pair 3 Tip
white/green stripe
BI_DB+2Pair 2 Tip
white/orange stripe
2BI_DA-3Pair 3 Ring
green solid
BI_DB-2Pair 2 Ring
orange solid
3BI_DB+2Pair 2 Tip
white/orange stripe
BI_DA+3Pair 3 Tip
white/green stripe
41Pair 1 Ring
blue solid
1Pair 1 Ring
blue solid
51Pair 1 Tip
white/blue stripe
1Pair 1 Tip
white/blue stripe
6BI_DB-2Pair 2 Ring
orange solid
BI_DA-3Pair 3 Ring
green solid
74Pair 4 Tip
white/brown stripe
4Pair 4 Tip
white/brown stripe
84Pair 4 Ring
brown solid
4Pair 4 Ring
brown solid
Gigabit T568A crossover
All four pairs crossed
10BASE-T, 100BASE-TX, 100BASE-T4 or 1000BASE-T crossover (shown as T568A)
PinConnection 1: T568AConnection 2: T568A CrossedPins on plug face
signalpaircolorsignalpaircolor
1BI_DA+3Pair 3 Tip
white/green stripe
BI_DB+2Pair 2 Tip
white/orange stripe
2BI_DA-3Pair 3 Ring
green solid
BI_DB-2Pair 2 Ring
orange solid
3BI_DB+2Pair 2 Tip
white/orange stripe
BI_DA+3Pair 3 Tip
white/green stripe
4BI_DC+1Pair 1 Ring
blue solid
BI_DD+4Pair 4 Tip
white/brown stripe
5BI_DC-1Pair 1 Tip
white/blue stripe
BI_DD-4Pair 4 Ring
brown solid
6BI_DB-2Pair 2 Ring
orange solid
BI_DA-3Pair 3 Ring
green solid
7BI_DD+4Pair 4 Tip
white/brown stripe
BI_DC+1Pair 1 Ring
blue solid
8BI_DD-4Pair 4 Ring
brown solid
BI_DC-1Pair 1 Tip
white/blue stripe
Gigabit T568B crossover
All four pairs crossed
10BASE-T, 100BASE-TX, 100BASE-T4 or 1000BASE-T crossover (shown as T568B)
PinConnection 1: T568BConnection 2: T568B CrossedPins on plug face
signalpaircolorsignalpaircolor
1BI_DA+2Pair 2 Tip
white/orange stripe
BI_DB+3Pair 3 Tip
white/green stripe
2BI_DA-2Pair 2 Ring
orange solid
BI_DB-3Pair 3 Ring
green solid
3BI_DB+3Pair 3 Tip
white/green stripe
BI_DA+2Pair 2 Tip
white/orange stripe
4BI_DC+1Pair 1 Ring
blue solid
BI_DD+4Pair 4 Tip
white/brown stripe
5BI_DC-1Pair 1 Tip
white/blue stripe
BI_DD-4Pair 4 Ring
brown solid
6BI_DB-3Pair 3 Ring
green solid
BI_DA-2Pair 2 Ring
orange solid
7BI_DD+4Pair 4 Tip
white/brown stripe
BI_DC+1Pair 1 Ring
blue solid
8BI_DD-4Pair 4 Ring
brown solid
BI_DC-1Pair 1 Tip
white/blue stripe


Registered Jack (RJ) 11, 14, 25

PositionPairT/R±RJ11RJ14RJ2525-pair color codeU.S. Bell System colorsGerman colorsAustralian colors
13T+T3Pair 4 Wire 1
white/green
Pair 3 wire 1
white
Pair 3 wire 1
violet
Pair 3 wire 1
orange
22T+T2T2Pair 2 Wire 1
white/orange
Pair 2 Wire 1 Old
black
Pair 2 ext. bell
green
Pair 2 ext. bell
red
31RR1R1R1Pair 1 Wire 2
blue/white
Pair 1 Wire 2 Old
red
Pair 1 wire A
white
Pair 1 wire B
blue
41T+T1T1T1Pair 1 Wire 1
white/blue
Pair 1 Wire 1 Old
green
Pair 1 wire B
brown
Pair 1 wire A
white
52RR2R2Pair 2 Wire 2
orange/white
Pair 2 Wire 2 Old
yellow
Pair 2 ground
yellow
Pair 2 ground
black
63RR3Pair 3 Wire 2
green/white
Pair 3 Wire 2
blue
Pair 3 wire 2
slate
Pair 1 Wire 1 Old
green


Registered Jack (RJ) 21/21X

Female RJ21 connector
ColorPin (Tip)Pin (Ring)Color
White/Blue261 Blue/White
White/Orange272 Orange/White
White/Green283 Green/White
White/Brown294 Brown/White
White/Slate305 Slate/White
Red/Blue316 Blue/Red
Red/Orange327 Orange/Red
Red/Green338 Green/Red
Red/Brown349 Brown/Red
Red/Slate3510 Slate/Red
Black/Blue3611 Blue/Black
Black/Orange3712 Orange/Black
Black/Green3813 Green/Black
Black/Brown3914 Brown/Black
Black/Slate4015 Slate/Black
Yellow/Blue4116 Blue/Yellow
Yellow/Orange4217 Orange/Yellow
Yellow/Green4318 Green/Yellow
Yellow/Brown4419 Brown/Yellow
Yellow/Slate4520 Slate/Yellow
Violet/Blue4621 Blue/Violet
Violet/Orange4722 Orange/Violet
Violet/Green4823 Green/Violet
Violet/Brown4924 Brown/Violet
Violet/Slate5025 Slate/Violet

Registered Jack (RJ) 48 48X

PinPairSignalColor
1RRX Ring Orange/White
2TRX Tip White/Orange
3reserved White/Green
4R1TX Ring Blue/White
5T1TX Tip White/Blue
6reserved Green/White
7shield White/Brown
8shield Brown/White

T-1 (DS-1, DSX-1) cross over cable

Two pairs crossed, two pairs uncrossed
T1 crossover
PinConnection 1: T568A
Connection 2: T568B
Pins on plug face
paircolorpaircolor
12Pair 2 Tip
white/orange stripe
1Pair 1 Ring
blue solid
22Pair 2 Ring
orange solid
1Pair 1 Tip
white/blue stripe
33Pair 3 Tip
white/green stripe
3Pair 3 Tip
white/green stripe
41Pair 1 Ring
blue solid
2Pair 2 Tip
white/orange stripe
51Pair 1 Tip
white/blue stripe
2Pair 2 Ring
orange solid
63Pair 3 Ring
green solid
3Pair 3 Ring
green solid
74Pair 4 Tip
white/brown stripe
4Pair 4 Tip
white/brown stripe
84Pair 4 Ring
brown solid
4Pair 4 Ring
brown solid

Standard 25 pair wire color code

25 Pair Color Code Chart


Commonly used RS-232 signals and pin assignments

SignalOriginD-subminiature DB-25D-subminiature DE-9
(TIA-574)
Modified Modular Jack|MMJModular connector 8P8C ("RJ45")Modular connector 10P10C ("RJ50")
NameAbbreviationDTEDCETIA-561YostCycladesNational InstrumentsCycladesDigi
Transmitted DataTxD232633845
Received DataRxD325566976
Data Terminal ReadyDTR2041322739
Carrier DetectDCD8127710810 (alt 2)
Data Set ReadyDSR66618592 (alt 10)
Ring IndicatorRI2292101
Request To SendRTS47811423
Clear To SendCTS58785368
Common GroundGcommon753,444,54657
Protective GroundPGcommon114


Null modem cables and diagrams

DB-25 null modem wiring diagramDE-9 null modem wiring diagram

Signal Name and AbbreviationDB-25 PinDE-9 PinDirectionDE-9 PinDB-25 PinSignal Name Abbreviation
Frame Ground (chassis)FG11FG
Transmitted Data (TD)TxD2323RxD
Received Data (RD)RxD3232TxD
RS-232 Request to SendRTS4785CTS
RS-232 Clear To SendCTS5874RTS
Signal GroundSG7557SG
Data Set ReadyDSR66420DTR
Data Carrier Detect (CD)DCD81
Data Terminal ReadyDTR20418DCD
66DSR



USB connectors and pinouts


File:USB 3.0 Micro B plug.PNG
Micro-B USB 3.0 compatible (cable/male end)
USB 2.0 connector on the side of the specification standard micro USB 3.0 connector are aligned pin-minute increase in the standard.
No.1: power (VBUS)
No.2: USB 2.0 differential pair (D−)
No.3: USB 2.0 differential pair (D+)
No.4: USB OTG ID for identifying lines
No.5: GND
No.6: USB 3.0 signal transmission line (−)
No.7: USB 3.0 signal transmission line (+)
No.8: GND
No.9: USB 3.0 signal receiving line (−)
No.10: USB 3.0 signal receiving line (+)
USB 1.x/2.0 standard pinout
PinNameCable colorDescription
1VBUSRed (Orange*)+5 V
2D−White (Gold*)Data −
3D+GreenData +
4GNDBlack (Blue*)Ground
  • * Some manufacturers use
USB 1.x/2.0 Mini/Micro pinout
PinNameCable colorDescription
1VBUSRed+5 V
2D−WhiteData −
3D+GreenData +
4IDNonePermits distinction of host connection from slave connection
* host: connected to Signal ground
* slave: not connected
5GNDBlackSignal ground

Parallel Printer Pinout