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5 pin Mini-USB type B plug connector layout
Разъем 5 pin Mini-USB type B plug
USB (Universal Serial Bus) designed to connect peripherals and exist in a wide variety of digital devices.

 The Mini-A and Mini-B USB Connectors were released in April 2000 with USB 2.0 standard. Nowdays these connectors are obsolete and rarely used. They are superseeded by the Micro-USB connector and it's successor  USB type-C.

Pin Name Cable color Description
1 VCC Red +5 VDC
2 D- White Data -
3 D+ Green Data +
4 ID   May be N/C, GND or used as an attached device presence indicator (tied to GND with resistor)
5 GND Black


 

Ground

USB pinout signals

USB is a serial bus (usb pinout and signals wiring diagram). It uses 4 shielded wires: two for power (+5v & GND) and two for differential data signals (labelled as D+ and D- in pinout). NRZI (Non Return to Zero Invert) encoding scheme used to send data with a sync field to synchronise the host and receiver clocks. In USB data cable Data+ and Data- signals are transmitted on a twisted pair. No termination needed. Half-duplex differential signaling helps to combat the effects of electromagnetic noise on longer lines. Contrary to popular belief, D+ and D- operate together; they are not separate simplex connections.

USB cable wires:

Shielded:
Data: 28 AWG twisted
Power: 28 AWG - 20 AWG non-twisted

Non-shielded:
Data: 28 AWG non-twisted
Power: 28 AWG - 20 AWG non-twisted

Power Gauge Max length
28 0.81 m
26 1.31 m
24 2.08 m
22 3.33 m
20 5.00 m


 


 

5 pin Mini-USB type B receptacle connector layout
Разъем 5 pin Mini-USB type B receptacle
На распиновку mini-USB 2.0 connector есть 41 отзыв(а): 38 положительных и 2 отрицательных.

Эта распиновка
Распиновка одной картинкой:mini-USB 2.0 connectorclick to enlarge
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