- SPU: AL-70EC-kexzd6[6]
- 型號:USB公頭--USB公頭
- 類型:USB3.0
- 接口類型:USB
- 連接線:手機/USB數據線
- 適用設備:帶有USB接口的
- 線材材質:銅
- 線材長度:1.5米
- 產品重量:0.09
- 最快出貨時間:4-7天
- 是否支持一件代發:支持
- 發票:不提供發票
- 包裝清單:獨立袋裝
- 長度:1.5米
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正標USB 3.0 公對公數據線:
包裝圖片:
線材內部結構：
USB3.0與USB2.0的區別
1. 數據傳輸速率，3.0是SuperSpeed 5.0Gbps, 2.0是 1.5Mbps, 12Mbps或480Mbps
2. 數據接口, 3.0是全雙工,獨立於USB 2.0信號的四路差分信號,支持同時雙向數據傳輸
2.0是半雙工,雙路差分信號, 單向數據傳輸, 需要事先協商好總路線的傳輸方向
3. 信號線數目, 3.0是4路SuperSpeed數據線, 2路HighSpeed數據線和2路電源及地線
2.0是2路LS/FS/HS數據線, 2路電源及地線
4. 總線事務協議, 3.0是主機主導的異步方式的傳輸流量控制， 包傳輸是能顯式地進行路由
2.0是主機主導的輪詢方式的傳輸流量控制, 包傳輸是通過廣播方式到所有設備
5. 電源管理, 3.0是多 別的鏈路電源管理, 支持Idle, sleep和suspend狀態
2.0是在端口 進行管理, 可以在entry/exit上有兩種 別的掛機狀態
6. 總線電源, 3.0是和USB 2.0差不多, 只是未配置的電源有50%的增幅, 已配置的電源有80%的增幅
7. 主機控制器，3.0用的是xHCI，2.0則是EHCI。xHCI中提供了虛擬化技術支持。
Warranty Information
The goods can be returned to the customer without reason within 15 days from the date of receipt.The return and exchange of goods shall be approved by the merchant in the store.
Procurement and delivery
Delivery time: the goods in stock will be delivered within 1-3 working days after you place an order and pay, and you will receive our notice after delivery.
payment
Credit card payment (express payment) is a new payment method launched by the third-party payment platform in conjunction with major banks.It is one of the safest and easiest payment methods.Users do not need to open online banking in advance, and can complete rapid payment by entering card face, mobile phone dynamic password and other information.Quick payment allows all kinds of bank card users to make online payment conveniently without opening online banking.
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