The receptacle features 4 energy and 4 ground pins, premium vape devices two differential pairs (connected collectively on units) for legacy USB 2.0 high-speed information, four shielded differential pairs for Enhanced SuperSpeed knowledge (two transmit and two receive pairs), two Sideband Use (SBU) pins, and two Configuration Channel (CC) pins. USB 2.Zero Type-C cables don't include wires for SuperSpeed or Vape Hottest sideband use. USB-C units might optionally provide or devour bus energy currents of 1.5 A and 3.Zero A (at 5 V) along with baseline bus power provision; energy sources can both promote elevated USB present through the configuration channel or implement the complete USB Power Delivery specification utilizing both the BMC-coded configuration line and Disposable Vapors the legacy BFSK-coded VBUS line.
The plug has only one USB 2.0 excessive-velocity differential pair, and one of the CC pins (CC2) is replaced by VCONN, to energy optionally available electronics within the cable, and the other is used to truly carry the Configuration Channel (CC) alerts. Furthermore, Dual-Role gear that implements USB Power Delivery might swap data and energy roles independently utilizing the data Role Swap or Disposable Vapors Power Role Swap processes.
For any two pieces of gear connecting over USB, one is a bunch (with a downstream-dealing with port, DFP) and the opposite is a peripheral machine (with an upstream-going through port, UFP).
Similarly, a modern system can connect with a legacy host by using a legacy cable with a USB-C plug on the device end and a regular-A plug on the host finish. Connecting legacy and fashionable, USB-C tools requires either a legacy cable assembly (a cable with any Type-A or Type-B plug on one finish and a sort-C plug on the opposite) or, in very specific instances, a legacy adapter assembly.
With USB-C, when two such units are connected, the roles are first randomly assigned, but a swap might be commanded from both finish, although there are non-obligatory path and role detection strategies that will permit equipment to pick out a preference for a specific role. There are exceptions for instances where the USB-C wire is immediately connected to a gadget at one end to permit these gadgets to be powered by way of VCONN.
Legacy adapters with USB-C receptacles are "not outlined or allowed" by the specification as a result of they'll create "many invalid and probably unsafe" cable combinations (being any cable assembly with two A ends or two B ends). All older USB connectors (all Type-A and sort-B) are designated legacy. An older device can connect to a fashionable (USB-C) host by utilizing a legacy cable, with a regular-B, Mini-B, Vape Online or Disposable Vapors Micro-B plug on the device finish and a USB-C plug on the other.
An Alternate Mode dedicates among the bodily wires in a USB-C cable for direct device-to-host transmission utilizing non-USB data protocols, comparable to DisplayPort or Vape Hardware Thunderbolt. Although plugs have 24 pins, cables commonly have solely 18 wires. Unlike superficially comparable Lightning adapters, which handle all analog conversion and audio amplification internally, the adapters that used this Accessory Mode contained no electronics and required that the host machine have all the additional elements to handle analog audio - digital-to-analog converters and amplifiers for audio output and an analog-to-digital converter to handle the analog microphone sign.