Lenovo OneLink
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OneLink is the brand name for a proprietary wired communication interface for connecting various Lenovo-branded computers to docking stations and other devices.
OneLink connector[edit]
The OneLink connector is used by Lenovo to allow connecting certain models of their (primarily laptop) computers from the mid-2010s (i.e. ThinkPad X1 Carbon) to docking stations and to various adapter cables.[1]
Details[edit]
Features[edit]
- USB 3.0
- DisplayPort (at least 2 lanes)
- Often (but not always) paired with a proprietary thin DC power connector
Known uses[edit]
Technical specifications[edit]
- Friction-fit connecter with 24 data contacts
- Often (but not always) paired with a proprietary thin DC power connector
- OneLink and the newer OneLink+ connectors are compatible by using an adapter.[4]
| Pin # | Name | Purpose | Pin # | Name | Purpose |
|---|---|---|---|---|---|
| 1 | Ground | 2 | Power Button | ||
| 3 | ML_Lane0(+) | DisplayPort lane 0 (positive) | 4 | Return/Detect | |
| 5 | ML_Lane0(-) | DisplayPort lane 0 (negative) | 6 | VBUS(500 mA) | USB power |
| 7 | Ground | 8 | USB2.0(+) | USB 2.0 differential data (positive) | |
| 9 | ML_Lane1(+) | DisplayPort lane 1 (positive) | 10 | USB2.0(-) | USB 2.0 differential data (negative) |
| 11 | ML_Lane1(-) | DisplayPort lane 1 (negative) | 12 | Ground | |
| 13 | Ground | 14 | USB3.0_Rx(+) | SuperSpeed receiver (positive) | |
| 15 | AUX_CH(+) | DisplayPort AUX channel (positive) | 16 | USB3.0_Rx(-) | SuperSpeed receiver (negative) |
| 17 | AUX_CH(-) | DisplayPort AUX channel (negative) | 18 | Ground | |
| 19 | CONFIG1 (no connect) | 20 | USB3.0_Tx(+) | SuperSpeed transmitter (positive) | |
| 21 | DOCK_CONSUMP | 22 | USB3.0_Tx(-) | SuperSpeed transmitter (negative) | |
| 23 | HOT PLUG DETECT | 24 | Ground |
OneLink+ connector[edit]
A different designed connector (named OneLink+) was used on new computers starting in 2015.[5][lower-alpha 1][7]
See Also[edit]
- Dock connector
- Docking station
- Lenovo ThinkPad X1 series computers
Notes[edit]
References[edit]
- ↑ "ThinkPad OneLink Pro Dock - Overview and Service Parts". Lenovo Support US. Lenovo. Retrieved 6 October 2021.
- ↑ "ThinkPad OneLink ethernet adapter - Lenovo Support US". Lenovo Support US - Cables and adapters. Lenovo. Retrieved 6 October 2021.
- ↑ "OneLink to VGA RJ45 dongle". Lenovo Support US - Cables and adapters. Lenovo. Retrieved 6 October 2021.
- ↑ "ThinkPad OneLink to OneLink+ Cable - Overview and Service Parts". Lenovo Support US. Lenovo. Retrieved 6 October 2021.
- ↑ "OneLink Docks - Reference Guide". Lenovo Support US. Lenovo. Retrieved 6 October 2021.
- ↑ "New ThinkPad YOGA and ThinkCentre Tiny Transform Business Computing". Lenovo Newsroom. Lenovo. Archived from the original on 19 November 2017.
33Gbps allowing native 4K display and other connections through a single cable
Unknown parameter|url-status=ignored (help) - ↑ "eGPU via OneLink+". Reddit : self.thinkpad. Reddit. Retrieved 6 October 2021.
- OneLink physical connector
- Patent US9093798B2 (United States)
- Patent CN103915739A (China)
External links[edit]
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