Extron ShareLink Pro 500 Setup guide
Extron ShareLink Pro 1100 lets you share content from any Miracast-enabled device, such as a laptop, tablet, or smartphone, to a display or projector connected to the ShareLink Pro 1100. With its dual-band Wi-Fi connectivity, the ShareLink Pro 1100 supports both Miracast over infrastructure and Miracast Wi-Fi Direct connections. The device also features HDCP compliance, ensuring compatibility with protected content, and PoE+ capability for easy installation.
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Device discovery via wireless
Miracast • Setup Guide
INPUT
HDMI DECODER
OUTPUT
CONFIG
SIGNAL
HDCP
HD WIN
STANDBY
SCREEN
HD PASS
DECODER HDMI
WINDOW
HDMI
PASS-THROUGH
USB
WFA 100
ShareLink Pro 500
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Miracast Connection Overview
PoE+
Laptop
Miracast is a standard for wireless connections introduced by the Wi-Fi Alliance. It enables the sharing of content wirelessly from mobile devices to displays.
Ethernet
Content share via wireless
(over infrastructure)
The ShareLink Pro 1100 and ShareLink Pro 500 support Miracast technology when used with the ShareLink Pro WFA 100 adapter
(see About the WFA 100 on page 7).
TCP/IP
Network
Ethernet
Facility/Room
Wireless Access Point
There are two ways to connect and share content via Miracast.
CORPORATE NETWORK
• Miracast Wi-Fi Direct - This method involves a peer-to-peer connection that relies on Wi-Fi Direct technology. In this method, both device discovery and the sharing of content is facilitated over the Wi-Fi Direct connection.
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Extron
ShareLink Pro 500
CONFIG
HDMI
WINDOW
HDMI
PASS-THROUGH
INPUT
HDMI
SIGNAL
HDCP
DECODER
WFA 100
OUTPUT
HD WIN
STANDBY
SCREEN
HD PASS
DECODER
USB
ShareLink Pro 500
POWER
--A MAX
INPUT OUTPUT OUTPUT
L AUDIO R
LAN
RESET
HDMI HDMI/CEC PoE+
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• Miracast over Infrastructure (default) - In this method, device discovery is performed initially over Wi-Fi Direct, but the content is shared over an existing wireless network connection between the Windows 10 laptop and the ShareLink Pro.
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Miracast over
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HDMI
Extron
ShareLink Pro 500
CONFIG
HDMI
WINDOW
HDMI
PASS-THROUGH
INPUT
HDMI
SIGNAL
HDCP
WFA 100
DECODER
OUTPUT
HD WIN
STANDBY
SCREEN
HD PASS
DECODER
USB
ShareLink Pro 500
12V
--A MAX
INPUT OUTPUT OUTPUT
L
AUDIO
R RESET
LAN
HDMI HDMI/CEC
PoE+
Device discovery via wireless
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Content share via wireless
(over infrastructure)
Ethernet
Facility/Room
Wireless Access Point
TCP/IP
Network
Ethernet
CORPORATE NETWORK
Miracast over Infrastructure is the default connection method while Wi-Fi Direct is the failover connection method. This means that, by default, Windows 10 prefers Miracast Over Infrastructure connections, and will always attempt to connect to the
ShareLink Pro over the existing network connection. If Windows determines that a network connection does not exist, then it proceeds to connect over Wi-Fi Direct.
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Miracast via
Wi-Fi Direct
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ShareLink Pro 500
CONFIG
HDMI
WINDOW
HDMI
PASS-THROUGH
INPUT
HDMI
SIGNAL
HDCP
WFA 100
DECODER
OUTPUT
HD WIN
STANDBY
SCREEN
HD PASS
DECODER
USB
ShareLink Pro 500
12V
--A MAX
INPUT OUTPUT OUTPUT
L
AUDIO
R
RESET
LAN
HDMI HDMI/CEC
PoE+
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Miracast • Setup Guide (Continued)
NOTE:
• For Wi-Fi Direct connections , connection quality depends on the proximity of the client device to the WFA 100
(attached to the ShareLink Pro). For optimal performance, it is highly recommended that you keep your Windows 10 device within 50 ft (~15m) of the WFA 100/ShareLink Pro.
• For Miracast Over Infrastructure connections , connection quality depends on the proximity of the client device to the enterprise wireless access point serving the existing Wi-Fi network (to which the ShareLink Pro device is connected). For optimal performance, it is highly recommended that you keep your Windows 10 device within 50 ft
(~15m) of both the WFA 100/ShareLink Pro and enterprise wireless access point.
Miracast Connection Methods
Although Miracast always works from a connection standpoint, the performance varies depending on the connection method.
Three different configuration options are possible and are listed below in order of decreasing performance from top to bottom.
Option 1
Windows 10 device connected to the same Wi-Fi network as the ShareLink Pro devices
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CONFIG
HDMI
WINDOW
HDMI
PASS-THROUGH
INPUT
SIGNAL
HDMI
HDCP
DECODER
1.7A MAX
HDMI
INPUT
HDMI
OUTPUT
WFA 100
OUTPUT
L
AUDIO
R
OUTPUT
HD WIN
STANDBY
SCREEN
HD PASS
DECODER
USB
ShareLink Pro 500
LAN
RESET
PoE +
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TCP/IP
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Ethernet
Facility/Room
Wireless Access Point
CORPORATE NETWORK
Option 2
Windows 10 device not connected to any Wi-Fi network (but Wi-Fi is still enabled)
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ShareLink Pro 500
CONFIG
HDMI
WINDOW
HDMI
PASS-THROUGH
INPUT
SIGNAL
HDMI
HDCP
DECODER
OUTPUT
HD WIN
STANDBY
SCREEN
HD PASS
DECODER
USB
WFA 100
ShareLink Pro 500
LAN POWER
12V
1.7A MAX
INPUT OUTPUT OUTPUT
L
AUDIO
R
RESET
HDMI HDMI
PoE +
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Option 3
Windows 10 device is not connected to the same Wi-Fi network as the ShareLink Pro devices
Wireless Access Point
Ethernet
TCP/IP
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CONFIG
HDMI
WINDOW
HDMI
PASS-THROUGH
INPUT
SIGNAL
HDMI
HDCP
POWER
12V
1.7A MAX
HDMI
INPUT
HDMI
OUTPUT
WFA 100
DECODER
OUTPUT
HD WIN
STANDBY
SCREEN
HD PASS
DECODER
USB
OUTPUT
L
AUDIO
R RESET
ShareLink Pro 500
LAN
PoE +
Ethernet
Wireless Network Infrastructure
Operational Environment
Extron recommends the following guidelines to ensure the best operation and performance outcomes when using network devices that incorporate RF (Radio Frequency) components.
The 2.4 GHz and 5 GHz spectrums are unlicensed and, depending on the site conditions, could be crowded with other devices.
In order to establish a frequency allocation plan, prior to installation, it is recommended that installers perform a site survey and coordinate with the IT department to know which channels are occupied.
The WFA 100 operates at 2.4 GHz or 5 GHz using the IEEE 802.11ac/a/b/g/n protocols. The following table describes the differences between the 2.4 GHz and 5 GHz spectrums.
Channels (Non-Overlapping)
Typical Range
Susceptibility to Interference
Easily Obstructed
2.4 GHz
3
100m (328 ft)
High
No
5 GHz
9 (WFA 100 US)
4 (WFA 100 EU)
100m (328 ft)
Low
Somewhat
3
Real-World Signal Propagation
Many factors can impact the propagation, or coverage, of RF signals. These can be categorized as absorption, scattering, reflection, diffraction, and refraction. In addition to distorting the original signal, these factors can also create additional propagation paths. This multi-path signal propagation leads to reduced performance. Follow the guidelines below for best performance.
2.4 GHz band
The 2.4 GHz Wi-Fi band uses eleven overlapping channels. Only three of those channels are non-overlapping (see figure 1).
Individual ShareLink Pro + WFA 100 units placed more than 656 ft (200 m) apart horizontally or on different floors of a commercial building are considered sparsely deployed, and channel selection for the units is not critical since their signals will not reach the other units. Units placed closer together than this are considered a dense deployment and the channels for each unit should be set so that adjacent devices are not on the same channel.
The following diagram shows a common setup using the three non-overlapping channels 1, 6, and 11. The graph at the right shows a layout of the avalable 2.4 GHz Wi-Fi channels.
Sparse Deployment Dense Deployment
100 m
1 6 11
1
2.412
2 3 4 5 6
2.437
7 8 9 10 11
2.462
1
200 m
1
200 m
1
200 m
11 1 6
2.400
GHz
2.410
GHz
2.420
GHz
2.430
GHz
2.440
GHz
22 MHz
2.450
GHz
2.460
GHz
2.470
GHz
2.480
GHz
2.490
GHz
2.500
GHz
1 6 11
Best practice for dense deployments is to use separated channels such as 1, 6, 11.
2.4 GHz Frequency Channels available from the 802.11 standard
Figure 1. Channel Assignments using Sparse and Dense Deployments (2.4 GHz band)
5 GHz band
The 5 GHz Wi-Fi band uses 25 non-overlapping channels (see figure 2). The ShareLink Pro and WFA 100 use nine non-DFS channels on the US model (36, 40, 44, 48, 149, 153, 157, 161, 165) and four non-DFS channels on the EU model (36, 40, 44, 48) within the 5 GHz band. This band is often the best choice for setting up multiple ShareLink Pro + WFA 100 units, as it has more non-overlapping channels available and fewer Wi-Fi networks and interference sources than the 2.4 GHz band.
Similar placement requirements for sparse and dense deployments apply to ShareLink Pro + WFA 100 units in the 5 GHz band as in the 2.4 GHz band noted above. However, with more available channels, the dense deployment options are much greater.
The following diagram shows channel assignments that use sparse and dense deployments, along with a layout of the available
5 GHz Wi-Fi channels.
Sparse Deployment Dense Deployment
35 m
36 40 44
36
70 m
36
70 m
36
70 m
44 36 40
36 40 44
Best practice for dense deployments is to use separated channels such as 36, 40, 44.
36
5.180
40
5.200
44
5.220
48
5.240
52
5.260
56
5.280
60
5.300
64
5.320
100
5.500
104
5.520
108
5.540
112
5.560
116
5.580
120 124 128
5.600 5.620 5.640
132
5.660
136
5.680
140 144
5.700
5.720
149
5.745
153
5.765
157
5.785
161
5.805
165
5.825
4
5.150
GHz
5.170
GHz
5.190
GH
5.210
GHz
5.230
GHz
5.250
GHz
5.270
GHz
5.290
GHz
5.310
GHz
5.330
GHz
5.490
GHz
5.510
GH
5.530
GHz
5.550
GH
5.570
GHz
5.590
GHz
5.610
GHz
5.630
GHz
5.650
GHz
5.670
GH
5.690
GHz
5.710
GHz
5.730
GHz
20
MHz
5.735
GHz
5.755
GHz
5.775
GH
5.795
GHz
5.815
GHz
5.835
GHz
5.855
GHz
5 GHz Frequency Channels available from the 802.11 standard
Figure 2. Channel Assignments using Sparse and Dense Deployments (5 GHz band)
Miracast • Setup Guide (Continued)
The following table shows a comparison of IEEE 802.11 Standards
Maximum signaling rate
Operating frequency band
Typical range
Non-overlapping channels
802.11b
11 Mbps
2.4 GHz
100m (328 ft)
3
802.11g
54 Mbps
2.4 GHz
100m (328 ft)
3
Interference sources
Bluetooth,
Microwave
Ovens, Baby monitors, etc.
Bluetooth,
Microwave
Ovens, Baby monitors, etc.
802.11a
54 Mbps
5 GHz
100m (328 ft)
3
Cordless phones
802.11ac
867 Mbps
2.4 & 5 GHz
150m (492 ft)
3 (2.4 GHz)
25 (5 GHz)
Same as
IEEE 802.11b/g/n at 2.4 GHz
Same as
IEEE 802.11a at 5 GHz
NOTES:
• Performance depends on the quality of the Windows 10 hardware, the wireless environment, and the overall performance of the Wi-Fi network. The strength of the wireless signal could have an adverse impact on connection quality and potentially cause considerable packet loss. Low signal strengths may prevent connections between
Windows 10 client devices and the ShareLink Pro. Even if a connection is established, low signal strengths may cause low frame rate, high latency, poor audio and/or video quality, and dropped connections.
• To improve end user experience, the following is recommended:
• Ensure that the enterprise wireless access points serving the Wi-Fi network maintain high signal strengths and are configured to operate on Wi-Fi channels with the least interference (ideally unoccupied and non-overlapping channels).
• Ensure that the WFA 100 attached to ShareLink Pro devices are also configured (via PCS) to operate on Wi-Fi channels with the least interference (ideally unoccupied and non-overlapping channels). For
WFA 100 channel configuration instructions, see
Configuring the WFA 100 Channel on page 9.
• Minimize the number of network hops between the wireless access point and the ShareLink Pro device.
• Perform a scan of the environment using wireless survey equipment that is regularly calibrated, and make note of areas with low or no wireless coverage on a map. Introduce wireless coverage where needed as necessary by adjusting physical access point locations, channel selections, and channel bandwidths. Access point power levels may also require tweaking for optimal performance.
• Configure quality-of-service on networking equipment (switches, routers, wireless LAN controllers, etc.) to prioritize
Miracast traffic. Miracast packets are marked as Differentiated Services Code Point (DSCP) class CS5 (decimal 40)
(see the section below).
Network Considerations
Miracast traffic received by the ShareLink Pro can periodically burst to bitrates high enough to cause packet loss. This packet loss may translate into errors with the cast video and audio. The size of the packet buffers used by the network switch may increase the amount of traffic bursts. Typically, the more traffic buffered at the switch, the higher the likelihood that traffic bursts will result in packet loss.
Network latency (the time it takes for a data packet to reach its destination) may also affect ShareLink Pro Miracast performance.
Traffic that arrives too late can result in packet loss and errors with the cast video and audio. High latency can be caused by congestion in the network, the number of devices in the network path between communicating devices, and misconfiguration of the network among other factors.
Quality of Service Configuration (QoS) for Miracast Traffic
QoS configuration allows certain Miracast traffic types to have priority over other traffic types. QoS features can be used to alleviate the “bursty” nature of the Miracast traffic and the main causes of network congestion and latency.
Miracast marks the cast traffic with the Differentiated Services Code Point (DSCP) class CS5 (decimal 40). QoS policies can be developed to provide special handling of this specific traffic class.
5
6
Miracast • Setup Guide (Continued)
Traffic shaping
Traffic shaping is the process of imposing a maximum rate of traffic, while regulating the traffic rate in such a way that downstream devices are not subjected to traffic bursts or network congestion. Shaping has an egress buffer to ensure that packets are buffered as opposed to being immediately dropped or lost.
The simplest method to alleviate packet loss due to traffic bursts is to configure a traffic shaping policy. This type of policy buffers traffic in the network switch output queue to ensure that traffic does not rise above a certain level in terms of bits per second.
QoS traffic shaping policies can be used to shape the output traffic. This forces all traffic to be sent under the established threshold, which drastically reduces packet loss at the ShareLink Pro.
An example of a simple traffic shaping configuration for a Cisco switch is shown below. This policy is configured to set the maximum transmission rate of 500 Mbps. This configuration only needs to be applied to the network switch port connecting the
ShareLink Pro.
NOTE: This configuration is shown only as an example, and should not be considered a complete switch configuration.
Please contact the network equipment manufacturer for specific configuration guidance, and contact Extron technical support for questions regarding a specific intended design.
The configuration for a Cisco IOS-XE device is similar to the following:
!class-map match-all SLP match dscp cs5
! policy-map SHAPE-AVG class SLP
shape average 500000000
!
! interface GigabitEthernet1/0/3 description ShareLink Pro connected to this port switchport access vlan 4 switchport mode access spanning-tree portfast service-policy output SHAPE-AVG
!
Mirroring a Screen Using the WFA 100 Miracast Adapter
About the WFA 100
The ShareLink Pro WFA 100 (sold separately) is a Wi-Fi Miracast™ adapter that enables anyone to share content from a
Windows 10 device to a ShareLink Pro device without installing any software.
NOTE:
Minimum requirements for Miracast:
• WFA 100 adapter
• Wi ndows 10 client device (version 2004 or higher recommended)
• Windows Display Driver Model (WDDM) 1.3 Graphics drivers. To verify this driver version, see
on page 10.
• Wi-Fi driver must support Network Driver Interface Specification (NDIS) 6.3 or newer. To v
There are two WFA 100 models: the WFA 100 US (available for the United States) and the WFA 100 EU (for international regions).
Both models support 802.11a/b/g/n/ac wireless network standards on 2.4 and 5 GHz bands.
The WFA 100 US supports the following Wi-Fi channels:
• 2G channels: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
• 5G channels: 36, 40, 44, 48, 149, 153, 157, 161, 165
The WFA 100 EU supports the following Wi-Fi channels:
• 2G channels: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
• 5G channels: 36, 40, 44, 48
Using the WFA 100
Follow the steps on the next page to connect and mirror a Windows 10 device using the WFA 100.
NOTES:
• For optimal performance, ensure that the Windows 10 device is on the same network as the ShareLink Pro.
• To improve end user experience, ensure that the enterprise wireless access points serving the Wi-Fi network maintain high signal strengths and are configured to operate on Wi-Fi channels with the least interference (ideally unoccupied and non-overlapping channels).
1. Connect the WFA 100 adapter to the ShareLink Pro front panel USB port ( 1 ).
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ShareLink Pro 500
CONFIG
HDMI
WINDOW
HDMI
PASS-THROUGH
INPUT
SIGNAL
HDMI
HDCP
DECODER
OUTPUT
HD WIN
STANDBY
SCREEN
HD PASS
DECODER
USB
WFA 100
POWER
12V
1.7A MAX
INPUT OUTPUT OUTPUT
L
AUDIO
R RESET
ShareLink Pro 500
LAN
HDMI HDMI
PoE
+
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Ethernet
TCP/IP
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Ethernet
Facility/Room
Wireless Access Point
CORPORATE NETWORK
7
8
Miracast • Setup Guide (Continued)
2. Press the < Windows + K > keyboard shortcut on the Windows 10 client device to open the
Connect panel, which appears at the right of the screen ( 2 ).
NOTE: Alternatively, click the Connect ( open this panel.
Ö ) quick settings tile in Action Center to
The Connect panel shows a list of Miracast capable devices.
NOTE:
Wi-Fi must be enabled in order to discover ShareLink Pro devices.
3. Select the desired Sharelink Pro unit from the list, and enter the display code if prompted
( 3 ) (see the Standby Screen for the ShareLink Pro hostname and code).
Screen sharing options
Once the ShareLink Pro is connected, the Change projection mode link is shown under the
ShareLink Pro hostname.
Click Change projection mode to see the following screen sharing options (shown at right):
• Duplicate mode is the default setting, which mirrors the Windows 10 screen onto the ShareLink Pro output display. This mode is ideal for most projection and casting scenarios.
• Extend mode sets the ShareLink Pro output display as a second monitor.
• Second screen only mode sets the ShareLink Pro output display as the primary monitor.
Disconnecting from the display
To disconnect from the display , return to the Connect panel (using the < Windows + K > shortcut) and click the Disconnect (see 1 at right) button.
Alternatively, use the < Windows + P > shortcut to open the Project panel. Click Disconnect on the sharing status bar at the top of the screen ( 2 ) or in the Project panel ( 3 ).
Configuring the WFA 100 Channel
The ShareLink Pro supports Miracast Wi-Fi Direct on both the 2.4 GHz band and 5 GHz band. You may configure the channel and other Miracast settings in PCS as shown below.
NOTE: It is highly recommended that you configure the Miracast Wi-Fi Direct channel such that it does not conflict with the enterprise wireless access point channels (for Miracast Over Infrastructure Wi-Fi network). Operating wireless devices on the same or overlapping channels may result in a poor end user experience.
1.
2.
3.
Open PCS v4.8 or later.
Connect to the ShareLink Pro device.
Navigate to General Settings > Access/Role Setup tab:
4. Configure the following settings within the Miracast Screen Mirroring panel:
• Disable – Select this option to disable Miracast screen mirroring.
• Wi-Fi Direct Only – Select this option to always share Miracast content via Wi-Fi Direct (see
Overview on page 1 for details).
•
•
Wi-Fi Direct and Over Infrastructure (default) – Select this option to share Miracast content via the Over Infrastructure
method (as priority), with Wi-Fi Direct as the failover method (see Miracast Connection Overview
on page 1 for details).
Channel Selection – Select the desired channel from this drop-down menu. Miracast will operate in the specified channel. Alternatively, the following auto selection options are available:
• Auto 2.4
GHz and 5 GHz channels (default) – On this option, the ShareLink Pro auto selects the channel. It searches for unused channels in the 2.4 and 5 GHz bands (prioritizing 5 GHz channels, then 2.4 GHz)
•
•
Auto 2.4
GHz channels only – The ShareLink Pro searches for unused channels in the 2.4 GHz band only.
Auto 5 GHz channels only – The ShareLink Pro searches for unused channels in the 5 GHz band only.
NOTE: Auto channel selection is initiated at power up, and once every 24 hours when the ShareLink Pro and
Miracast is not in use.
9
Miracast Troubleshooting
Use the following information to troubleshoot Miracast connection issues.
Supported platforms
The ShareLink Pro only supports Windows version 1903 and later. For best experience, Extron recommends version 2004 or later.
Network ports
Miracast requires the following ports to be open on the client device as well as on the overall network: 5353, 7236, 7250 (see the
ShareLink Pro 1100 or ShareLink Pro 500 Network Ports and Licenses Guide , available on the Extron website, for details on these ports).
Miracast Graphics Support
Follow these steps to verify Miracast graphics support on your Windows 10 device.
1.
2.
3.
Open Start menu.
Enter “ Run ” to execute the Run app.
Type in “ dxdiag ” and hit the < Enter > key.
4. Click the Display tab ( 4 ).
5.
6.
7.
Verify that WDDM (Windows Display Driver Model) is version 1.3 or later (
If the WDDM version is lower than 1.3
, update the graphics driver.
5 ).
Click the Save all information button ( 6 ) and save the text (.txt) file.
Open the saved text file.
10
8. Check the Miracast ( 8 ) line to verify that Miracast is available.
Miracast Wi-Fi Direct Support
Follow these steps to verify Miracast Wi-Fi direct support on your Windows 10 device.
1.
2.
3.
4.
Open the Start menu.
Enter “ cmd ” to execute the Command Prompt app.
Type in “ powershell ” then hit the < Enter > key.
Type in “ Get-netadapter|select Name, ndisversion ” then hit the < Enter > key.
5. Verify that the NDIS (Network Driver Interface Specification) version for the Wi-Fi interface is version 6.30 or greater ( 5 ).
6. If the NDIS version is lower than 6.30, update the Wi-Fi adapter driver.
11
For information on safety guidelines, regulatory compliances, EMI/EMF compatibility, accessibility, and related topics, see the
Extron Safety and Regulatory Compliance Guide on the Extron website.
© 2021 Extron — All rights reserved. www.extron.com
All trademarks mentioned are the property of their respective owners.
Worldwide Headquarters: Extron USA West, 1025 E. Ball Road, Anaheim, CA 92805, 800.633.9876
68-3675-50
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