User Manual
Quick-Start Guide
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Manual Revision: February 6, 2020 10:29 AM
Product Diagram (MSTDP122DP)
Component Function
1 DisplayPort Connector
• Connects the Hub to the Host Computer.
• After the MST hub has been connected to the
Host Computer it may be necessary to initiate
the operation of additional displays from within
your Windows Display Settings.
2
USB-A Power
Connector
• Connect the Hub to a USB Power Adapter.
3 DisplayPort Ports x 2 • Connect up to 2 Display Devices to the Hub.
4 Scan Button
• Re-syncs all of the attached displays, and can be
utilized if any of the displays are not detected.
Requirements
For the latest requirements, please visit www.startech.com/MSTDP122DP
• DisplayPort 1.2 enabled Host Computer x 1
Note: MST is certied for operation with Microsoft® Windows 10, 8, 8.1, and 7 devices.
• DisplayPort Monitors x 2
• DisplayPort Cables (max.15 ft.) x 2
• USB Power Adapter x 1
Multi Stream Transport Hub – DisplayPort™ 1.2 to Dual Head DisplayPort MST Hub
Installing the Hub
1. Ensure the Host Computer and Displays are powered o.
2. Connect the DisplayPort Connect on the Hub to a DisplayPort port on a Host
Computer.
3. Connect a DisplayPort Cable (sold separately) to one of the DisplayPort Ports on
the Hub and the other end up to a DisplayPort port on a Display Device.
4. Repeat step 3 to connect a second Display Device to the Hub.
Note: Certain graphics adapters have limited MST support and will only output to
three displays in total. If more than three monitors are attached, the fourth will be
disabled, including built-in laptop monitors or touchscreen displays.
5. Connect the USB-A Power Connector on the Hub to a USB Power Adapter.
6. Connect the USB Power Adapter to an AC Electrical Outlet.
7. Power on the connected Display Devices followed by the Host Computer.
8. The system will now detect the Hub, and add the attached Display Devices to the
Display Settings on the System.
Average Resolution Bandwidth Allocation
MST shares 21.6Gbps of bandwidth across all attached displays. Higher resolutions
can restrict the bandwidth available for the remaining ports. Please see our guidelines
below for determining the ideal resolution for your setup.
Resolution Bandwidth
1920x1080 (High-denition 1080p) @ 60Hz 22%
1920x1200 @ 60Hz 30%
2560x1440 @ 60Hz 35%
2560x1600 @ 60Hz 38%
3840x2160 (Ultra HD 4K) @ 30Hz 38%
Note: Exceeding 100% will prevent monitors from turning on.
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