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Troubleshooting
This section describes some common problems that you may experience when
using the VBS200-A. If a problem persists, please contact your local service center.
Problem or Issue
The VBS200-A will not
start.
The LAN connection is
not working.
There is no screen
image on the connected
display.
The ViewBoard
ecosystem is
inaccessible.
If the LED does not light green during device boot up:
1.
Verify that the AC adapter is properly plugged into the DC-IN
jack of the VBS200-A and to the power outlet.
2.
Verify that the DC connector is fully inserted into the correct
socket on the front of the VBS200-A.
3.
Check the power socket with another device (e.g., table
lamp). If there is still no power, contact ViewSonic support or
the Reseller from whom the device was purchased.
1.
Verify that the RJ-45 cable is connected properly. One end
to the LAN port of the VBS200-A and the other end to a
network connected device or a network wall port.
2.
Make sure you have configured the LAN settings correctly.
1.
Verify that the HDMI cable has been plugged in properly into
the correct HDMI port on both devices.
2.
Make sure the correct input source (HDMI) is selected.
To properly access the ViewBoard ecosystem (including
companion applications) on your network, request your IT
department to open the following ports:
• TCP Port 443 (HTTPS): outbound
• UDP and TCP port 3478 bidirectional to the WebRTC servers
• UDP Ports 50,000 – 65,535 (RTP/sRTP/RTCP) bidirectional to
the WebRTC servers. These ports are optional; if blocked,
media will be proxied using TURN on port 3478.
The WebRTC protocol is actively used in screen sharing. Verify
that these ports are open on your network firewall. To check
your connectivity status, visit:
test/index.html.
61
Possible Solutions
https://myviewboard.com/cast2/
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