Intinor Direkt
receiver
SDI
User guide
version 2.11.0 rev. 11624
www.intinor.com
2
Intinor Direkt receiver SDI
User Guide
Version 2.11.0 rev. 11624
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Contents
1 Description 5
1.1 Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Technical overview 7
2.1 Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2 Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3 Decoding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 Usage 9
3.1 User interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2 Transport methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.3 ISS - statistics and supervision . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.4 Access control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.5 Test picture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.6 Peak Programme Meter (PPM) . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.7 Configure via display and keypad . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.8 The web interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4 Firewalls 20
4.1 To send UDP or TCP (live broadcasting) . . . . . . . . . . . . . . . . . . . . 20
4.2 TCP on request (distribution) . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.3 Upgrades and ISS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.4 Web interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.5 Cheat sheet - receiver for live broadcasting . . . . . . . . . . . . . . . . . . . 22
4.6 Cheat sheet - Direkt link for live broadcasting . . . . . . . . . . . . . . . . . . 22
5 Trouble shooting 23
5.1 Use ISS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.2 Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.3 Streams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5.4 Problem with office network . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
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6 Technical specifikations 26
6.1 Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.2 IP in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.3 SDI out with embedded audio . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
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Chapter 1
Description
The Intinor Direkt receiver SDI receives video and audio from Intinor Direkt link via computer networks, decodes the content and outputs it on the digital interface SDI. The livebradcasted material can be received from different senders and used for live-editing or distribution to TV viewers.
Intinor Direkt receiver is very easy to use and is configured in a web interface. Configurations
can be adjusted via a display and keypad.
Figure 1.1: Intinor Direkt receiver SDI
The Direkt receiver SDI is a robust construction with few moving parts. Intinor provides
support, can monitor links and help to ease network trouble shooting.
Similar to all Intinor products, the Direkt receiver SDI can be supplemented with options
and customizations. In this way, the customer is offered desired functionality without making
the unit complex and hard to use.
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1.1 Functions
The following functions are standard on Direkt receiver SDI:
Can receive video streams (MPEG2 and H.264) from a number of different types of
senders
With access control, administrator can allow input streams only from specific senders
Easy to configure via display and keypad
Can be controlled via web interface over network
Backup settings and software upgrade can be handled via the web interface or ISS
Peak Programme Meter (PPM) for easy calibration of sound level
Can be supervised and trouble shooted via ISS — Intinors system for statistics and
supervision
Support for error correction (TCP with buffering)
Test picture can be generated and customised
Shows test picture if input signal is missing
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Chapter 2
Technical overview
Intinor Direkt receiver SDI receives video, compressed using MPEG-2 or H.264, from computer networks and outputs uncompressed digital video using SDI with embedded audio.
Figure 2.1: technical overview
2.1 Input
The Direkt receivers input is a RJ45-connector (TP) Ethernet 10/100/1000.
2.2 Transport
Intinor’s Direkt receiver receives MPEG transport streams over IP, either UDP or TCP.
UDP-streams can be unicast or multicast. Unicast streams are broadcasted to a single source
of reception while multicast streams can be received by several receivers if the network that
is used supports multicast.
When using TCP, the receiver buffers data and makes error corrections by requesting lost
packets to be resent. This technology adds latency (normally 10 seconds, but this can be
configured) but in return generates a more robust video link over the Internet and other
networks where packets are lost.
The Direkt receiver can be configured to listen for multiple transport methods simultaneously.
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2.3 Decoding
Direkt receiver SDI can decompress video from MPEG-2 or H.264 format and audio in
MPEG-1 Audio Layer II (MP2) or AAC. It automatically detects which encoding technology
is used on the received data stream.
2.4 Output
The Direkt receiver outputs SDI with embedded audio . If blackbust sync is used, one picture
frame is stored in a “frame store” so that Direkt receiver can be synchronised with other
video sources.
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Chapter 3
Usage
3.1 User interfaces
Intinor Direkt receiver has three user interfaces:
a) The web interface gives access to all configuration options. The web interface is de-
scribed in chapter 3.8
b) The display and keypad on the Direkt receiver gives access to basic configurations.
The display can be used when the web interface is unavailable. See chapter 3.7
c) ISS is used for supervision, status and trouble shooting. See chapter 3.3
(a) Web interface (b) PPM, display and keypad (c) ISS for supervision and trou-
ble shooting
Figure 3.1: Different user interfaces
3.2 Transport methods
Direkt receiver supports different technologies for receiving transport of video over IP networks.
3.2.1 UDP multicast
Multicast streams can only be used if it is supported in the network where it is to be
used for broadcasting of video and audio. This issue should be discussed with the network
administrator as this is usually not supported.
If there is support for multicast, it is usually possible to find multicast addresse s and ports
on your own. Multicast is addresses between 224.0.0.0 to 239.255.255.255.
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If multicast is used, it does not matter what IP-address the receiver is configured with.
Several receivers can be simultaneously linked to the stream.
3.2.2 UDP unicast
If there is no support for multicast, then unicast is to be used to stream to each receiver.
If the network capacity is inadequate, it is possible to broadcast via Intinor Direkt router,
please contact Intinor for more information.
IP-numbers on Direkt receiver must be known and configured in one of the following ways:
a) The Direkt receiver has a static IP-number, easily configured via display and keypad.
b) The Direkt receiver uses DHCP and always receives the same IP-number from the
DHCP-server on the local network. Contact the network administrator.
3.2.3 Stream TCP
Direkt link and Direkt router can “Stream TCP” (i.e. broadcast TCP-streams) to one or
several receivers. The receiver must be configured to receive the stream - TCP (receive).
The receiver buffers for a couple of seconds before it playing video and audio. If packets are
lost, there is a request to resend them. This means that only mayor network interruptions
renders video disturbances.
IP-number on Direkt receiver must be known and configured as for “UDP unicast” above.
UDP Unicast and Stream TCP are suitable transport methods
for live broadcasts.
The Intinor receivers can be configured to receive both UDP
unicast and Stream TCP. It detects the incoming signal, and no
configuration is needed to switch between transport methods.
3.2.4 TCP on request
If “TCP on request” is activated on the Direkt receiver, it is possible for one or more Direkt
receivers or Direkt routers, to actively request data streams - TCP (on request) from the
receiver. Error correction functions as described in “Stream TCP” above.
IP-numbers on the Direkt link must be known and configured in one of the following ways:
a) Direkt receiver has a static IP-number that can be easily configured via display and
keypad.
b) Direkt receiver uses DHCP, and always receives the same IP-number from the DHCP-
server on the local network. Contact the network administrator for more information.
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3.2.5 Multiple transport methods at the same time
Starting with software version 2.10.0, the input on Direkt-mottagare can be configured for
multiple transport methods at the same time. When it does not have a input signal, it can
wait for both UDP and TCP and it does not need to be configured when the sender switches
from UDP to TCP.
3.2.6 Summary of transport methods
Preferences UDP multi-
cast
UDP unicast Stream TCP TCP on re-
quest
Extra delay no no yes, rec. 1-10
sec
yes, rec. 1-10
sec
Error correction
no no yes, resend yes, resend
Multicast yes no no no
Receiver support Intinor, VLC,
Amino, Tand-
berg etc.
Intinor, VLC,
Amino, Tandberg etc.
Intinor Intinor, VLC
Can be monitored
with ISS
yes yes yes yes
The sender’s IPnumber must be
known
no no no yes
The receiver’s IP
number must be
known
no yes yes no
3.3 ISS - statistics and supervision
ISS is Intinor’s system for statistics, supervision and alarms of Direkt link, Direkt router
and Direkt receiver. Units connects to a ISS-server and regularly sends information about
status on software, hardware, networks and disturbances in the incoming signal.
Figure 3.2: ISS for statistics and supervision
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ISS eases installation and test - the user can log on by him/herself, or the Intinor support
can assist with this. Via ISS it is possible make sure that:
The Direkt link’s network is functioning as intended.
The Direkt link has an incoming signal (test picture or video from camera/editing).
The Direkt receiver’s network is correctly configured and functioning as intended.
The Direct receiver is receiving a video stream from the Direkt link.
When broadcasting live, it is valuable to know that the Internet has enough bandwidth.
Therefore, it is vise to test a broadcast to the Direkt receiver and to use ISS to make sure
that the received video stream does not contain interference.
If interference is detected in ISS, one or more of the following actions can be considered:
Is it possible to upgrade the network connection, or in other ways fix it?
Is it possible to accept lower video quality? - If so, switch encoding mode.
Is it possible to accept longer delay? - If so, switch from UDP to TCP.
When the connection is functioning to satisfaction, it is recommended that the link remains
on until the actual broadcasting begins. Use ISS to look for interference; only accept a
few interferences per hour during a longer period of time. If there are more occurrences
of interference, follow the description above. Please, contact Intinor support for assistance
when needed.
Using ISS, it is also possible to configure alarms to be sent via SMS and e-mail if the
network connection is dropped, if there is no incoming stream, or if fans or hard discs are
not functioning properly.
If there is a problem with a unit, it is also possible to view graphs showing the temperature,
fan speed and voltage. This information can be useful when troubleshooting.
Intinor support is also able to view the unit’s configurations, status etc. from ISS, and
thereby assist in setting up configurations and upgrading. This is possible even when the
user is unable to connect to the unit’s web interface.
3.4 Access control
With access control, one can control on Direkt receiver which senders it accepts video streams
from.
Access control works for transport methods UDP multicast, UDP unicast and stream TCP
(see chapter 3.2). Without access control, Direkt receiver locks itself on the Direkt link which
it first receives from.
Intinor’s Direkt links can be identified in two different ways - either using IP numbers or
keys.
The advantage of using keys is that Direkt receiver can receive from a specific Direkt link
without knowing its IP number. The key for a Direkt link can be found under the system
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tab in its web interface. For key identification to work, the difference in system time between
sender and receiver must be less than 30 seconds.
If multiple Direkt links, which are accepted on Direkt receiver sends simultaneously, it locks
on the IP number which comes first.
Access control is configured using the web interface (see chapter 3.8.2).
3.5 Test picture
To use a test picture, no video source is needed - it is generated and played out by Direkt
receiver. The standard test picture contains colored bars with information, current time and
time code created by Direkt receiver.
The test picture can be configured via the web interface with an image and text of your
choice (see chapter 3.8.3).
The test picture is activated automatically after five seconds if input signal is missing on
Direkt receiver(at shorter interrupts than five seconds, the picture is frozen).
3.6 Peak Programme Meter (PPM)
Direkt receiver has a built-in peak programme meter (the four diodes to the left of the
display). This can be used as a measure to make sure the sound levels are OK. Note that
the PPM should not be used as a precision instrument for in-measurement.
The peak programme meter is based on IEC 60268-18, and displays if the maximum value
of the left and right audio channel is above a certain level.
Peak Programme Meter (PPM)
PPM (dBFS)
⇒ -12 (green) -9 (orange) -6 (red) Top diode can have three colors.
⇒ -15 (green) -3 (red)
⇒ -21 (green) -1 (red)
⇒ -27 (green) Lowest diod indicates audio signal in
To comply with EBU-R68, the following must be valid:
Calibration level (0dB) should correspond to -18dBFS - two green LEDs
Maximumum level for normal program is -12dBFS - max three green LEDs
Maximumum allowed peaks are -9dBFS - the top LED should never turn orange
If Direkt receiver detects a audio distortion, it blinks red with all
four diodes on the PPM.
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3.7 Configure via display and keypad
The display on Direkt receiver displays status information and can, together with the keypad,
be used to configure.
3.7.1 Status information
Figure 3.3: status mode
When the Direkt receiver starts, the display is in status mode. In
this mode, the status information is displayed (current bit rate out
or input signal missing).
3.7.2 Main menu
Figure 3.4: keypad
If OK is pressed - the green symbol - the main menu is activated
where it is possible to access different configurations and test functionality. In the main menu, there is several options that can be
selected by using the arrow up, and down, on the keypad.
A star in the menu (*) indicates that a menu option is activated
e.g. dynamic IP.
Main menu
Network Network settings
IP-stream in Configure the input stream
View audio levels three views with more detailed informa-
tion about current audio levels
Activate/de-activate test picture
3.7.3 Network
In the network menu, the network is controlled and configurations can be made.
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Network
Test Internet conn. Make sure Direkt receiver can access the Internet.
Current IP
Show the current IP number on Direkt receiver
Static IP Switch to or change static network configurations
Dynamic IP Change to dynamic IP-number and get a IP-number with
DHCP
Show network status Show if the network is connected, the port’s speed (10, 100
or 1000mbps) and full or half duplex.
Show MAC-address Can be useful to know when configuring the DHCP-server on
the network in order to make Direkt receiver always receive
the same IP-number.
Test bandwidth Check available bandwidth by downloading data from one
Intinor server
Test Internet Conn.
The menu option makes the Direkt receiver connect to a name server on the Internet (8.8.8.8).
The Internet does not need to be operational in order to set up a video link in a private
network. Without the Internet, ISS and upgrade software doesn’t work.
Dynamic IP
Dynamic Internet configuration means that Direkt receiver, when starting up, asks the network with DHCP which network configurations to be used.
If OK on Dynamic IP is pressed, the option to activate is given. This means that Direkt
receiver requests an IP-number from the network and uses it. Later, it is advisable to return
to “Current IP” to make sure that Direkt receiver received an IP-number. This configuration
is saved directly.
Static IP
When choosing static IP, Direkt receiver is configured with a static IP-number, a network
mask and a default gateway. The configurations are not ac tivated until “Activate static IP”
is selected.
(a) in the network menu (b) activate dynamic IP (c) activate static IP
Figure 3.5: Network settings
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3.7.4 IP stream in
Configure and choose transport method for input signal on Direkt receiver. Those are described in chapter 3.2. Several transport methods can be active simultaneously. Direkt
receiver shows the first stream that arrives.
IP stream in
UDP unicast choose UDP port and activate unicast in
UDP multicast
choose multicast address and port and activate multicast in
TCP (receive) choose TCP-port and activate that other units can stream
TCP to the Direkt receiver
TCP (on request) choose IP number and port for a Direkt link or Direkt router,
which this unit can request a TCP stream from
3.7.5 View audio levels
Figure 3.6: IP stream in
View audio levels gives deeper information about top levels of audio in three different views. Switch between the views with the
green symbol on the keypad.
Direkt receiver SDI supports 16 audio channels in 8 audio tracks.
Choose audio track in view a) and b) with arrow right and left.
The views show:
a) Graphical representation of left and right channel with higher accuracy than the four
LEDs left of the display.
b) Numerical level for left and right channel and also registered audio clips since the audio
meter was started. To reset the counter, go back with the red cross and return with
the green symbol.
c) The third view gives an overview of all 16 audio channels. An audio track represented
by a “xx” means that it is not active. A mono track shows as “ x”.
(a) left/right level (b) exact level (c) all 16 channels
Figure 3.7: Three different views for audio levels
3.7.6 Activate/deactivate test picture
The test picture is described in more detail in chapter
3.5. The test picture cannot be
changed using the keypad.
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3.8 The web interface
Via the web interface, the user or administrator of Direkt receiver can perform all configurations that are available via the keypad, and also the following:
Customize the test picture
Handle access control
Adjust buffers for input streams
Change password for logging on via the web interface
Make a backup copy of all configurations
Upgrade Direkt receiver’s software
Restart Direkt receiver.
For information regarding the functions that also are available via the display, see chapter
3.7. This chapter describes the functionality that is available in the web interface, but not
via display and keyboard.
The web interface can be accessed using a web browser of your choice with secure http on
Direkt receiver’s number e.g. https://172.31.0.19
The first time the web interface is accessed, the web browser will ask if it should accept the
web server’s certificate. We recommend the option “Accept this certificate permanently”
(or similar). Possibly, a warning will appear stating that the domain name of the certificate
does not coincide with the web server. This is normally not an indication that something is
wrong.
Direkt receiver is delivered with the following user:
User: admin
Password: 1234
Intinor recommend that the password of admin is changed in
the web interface under the tab “System”. This is important if
Direkt receiver is accessible via the Internet.
Please note that if the network configurations are changed via
the web interface, or if a profile is activated with other network
configurations, it is possible that the connection to the Direkt
receiver is lost. If this happens, it is possible to view the “Current
IP” using the keypad. It is then p oss ible to re-connect using the
instructions above.
3.8.1 Status
Here is status information concerning the unit, its input and output and destinations. For
the input, it is possible to view e.g. picture format and aspect ratio.
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3.8.2 Active settings
Active settings are those Direkt receiver are using right now.
Networks
Under the network tab Direkt receiver’s own network connection can be configured.
IP stream in
Access control is configured under this tab (see chapter 3.4). All units, which use to send to
Direkt receiver SDI can be listed. It is then easy for the user to de-activate those which are
not currently in use.
Advanced
The advanced user can adjust the receiving buffer for TCP. The value for this should be the
same as the TCP transmit buffer on sending Direkt link or Direkt router
3.8.3 System
Custom test picture
The test picture can be configured via the web interface. The background image must be in
PNG-format, 720x576 and the maximum size is 200kbyte. Information regarding how to set
the position of own text and add time and time code is available in the web interface.
(a) Intinor standard with animation (b) Custom image and text
Figure 3.8: The test picture can be customized
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Managing settings
Here, the user can make a backup copy of all of Direkt receiver’s settings. It is saved in
XML-format and can be sent to Intinor for analysis, if troubleshooting is needed.
Software upgrade
If Direkt receiver is connected to the Internet, the software can be upgraded using Intinor’s
servers.
Always make a backup copy of Direkt receiver’s settings before
a software upgrade
Click on the link “upgrade the software...” to get to the upgrade-page.
Click on “Show current version numbers” to receive information regarding available software’s from Intinor’s web site. Beta software contains new, and somewhat untested, functionality. It is recommended to primarily use stable software.
Normally, the user can upgrade to the newest stable- or beta- software by clicking on the
corresponding button. Advanced upgrade is only used in exceptional cases, in dialog with
Intinor. This can be the case, for example when new functionality is developed for a specific
cause.
Upgrades are completed in approximately 30 seconds and are followed by a restart. Do not
interrupt Direkt receiver while upgrade is in progress (shown on the display).
Upgrade via the web interface requires that Direkt receiver has access to the Internet and is
not blocked by a firewall (see chapter 4). If this is not possible, Intinor can provide a USB
memory stick for software upgrade.
System restart
Restart should never be needed. However, it can be useful sometimes for trouble shooting
purposes to be able to restart Direkt receiver.
Restart all stream s takes just a second and restarts engine on Direkt-mottagare. The video
and audio decoders are restarted and the output has a short disruption
Full system reboot means approximately the same as disconnect and connect the power cord
to Direkt-mottagaren.
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Chapter 4
Firewalls
If broadcasting with Direkt link is performed within an internal network, such as a local
area network (LAN), or a Metropolitan area network (MAN), it is often necessary to handle
firewalls. In order to get access to the control room of a TV-channel, or get outside a
cooperation network, it can be necessary to configure a firewall to allow traffic.
Intinor’s engineers aid the configuration, and gives hints as how
to configure firewalls.
Figure 4.1: Example with firewalls
RTMPT requires higher bandwidth so that the risk for interuptions in the stream is higher. RTMPT from Direkt link also does
not work with all streaming servers. Because of this, try RTMP
first.
4.1 To send UDP or TCP (live broadcasting)
Usually, no configuration of firewalls is needed in order to broadcast IP-streams (UDP or
TCP) from a Direkt link. Most networks allow outgoing IP traffic by default. In other cases,
configuration of the firewall is required so it allows outgoing data traffic to a particular
destination port e.g. 4001 (it is a good idea to open up for both UDP as well as TCP).
A receiver that receives an IP stream and is located behind a firewall must have a static
IP number. The firewall should be configured in such a way that it allows request from a
specific port to the receiver (preferably for both UDP as well as TCP).
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Feel free to follow the instructions below to broadcast IP-streams (repeat the instructions
for each receiver):
1. Choose a port to broadcast to. The port must be available on firewall R e.g. 4001.
2. Make sure the receiver have a known IP number e.g. 172.31.0.19.
3. Make sure the firewall R lets through UDP and TCP traffic on port 4001 to 172.31.0.19.
4. Find out the receivers external IP number (e.g. 194.132.19.1). It is possible to use ISS
to find this out.
5. Configure the Direkt link to broadcast to the receiver’s external IP number and selected
port.
6. If no stream reaches the receiver, it can be due to firewall S not letting out UDP or
TCP traffic on the selected port. Check if this is the case.
4.2 TCP on request (distribution)
A Direkt link that is configured with TCP on request receives requests on a specified TCP
port, e.g. 4001. If the Direkt link is behind a firewall it has to have a static IP number (see
chapter
3.2.4) and the firewall must be configured to let through requests to a specific TCP
port to the Direkt Link.
To get a receiver to receive TCP streams, it is usually not necessary to make configurations,
even if it is behind a firewall. If this is not the case, the firewall should be configured to let
through requests pointed to a specific TCP port e.g. 4001.
Feel free to follow the instructions below to allow the receiver request TCP:
1. Choose a TCP port to request from. The port must be free on firewall S e.g. 4001.
2. Make sure Direkt link has a known IP number e.g. 192.168.0.19.
3. Make sure firewall S lets through TCP traffic on port 4001 to 192.168.0.19.
4. Find out Direkt link’s external IP number (e.g. 72.5.104.61). It is possible to use ISS
to find out the external IP number.
5. Configure the receiver to request TCP from Direkt link’s external IP number and
selected port.
6. If no stream gets to the receiver, it can be due to firewall R not letting out traffic on
the selected TCP port. Check if this is the case.
4.3 Upgrades and ISS
Upgrades and ISS (see chapter
3.3) connect with TCP to Intinor’s servers. Usually, no
configuration of firewalls is required for this operation. In other cases, make the following
configuration:
Upgrade TCP port 9022 out to Intinor’s upgrade server (upgrade-
direkt.intinor.se)
ISS TCP port 22017 out to ISS (iss.intinor.se)
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4.4 Web interface
To access the web interface on the Direkt link, Direkt router or Direkt receiver through a
firewall, it is required that the unit has a static IP number and that the firewall is set to let
through requests to TCP port 443 on the specific unit. To download files from Direkt link
or Direkt router it is required that TCP port 80 is opened.
4.5 Cheat sheet - receiver for live broadcasting
The firewall used together with Direkt rece ivers or Direkt routers for direct broadcasting is
normally configured only once.
If the receiver can be given a public IP number on the internet, no firewall is needed.
ISS TCP port 22017 out
Upgrade TCP port 9022 out
Video stream in any. e.g. TCP and UDP port 4001 in
Web interface status and configuration
TCP port 443 in*
* Do not forget to change admin password on the receiver.
4.6 Cheat sheet - Direkt link for live broadcasting
If the Direkt link can be assigned a public IP number, no firewall configuration is needed.
If the Direkt link is located on the Internet behind a kind firewall, which is open for outgoing
traffic, no firewall configuration is needed.
If the Direkt link is located on the Internet behind a strict firewall, which blocks outgoing
traffic, the following firewall configuration is required:
ISS TCP port 22017 out
Video stream out any, e.g. TCP and UDP port 4001 out
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Chapter 5
Trouble shooting
5.1 Use ISS
Use ISS to make sure both Direkt link, and Direkt receiver is connected. If a unit is gray in
ISS, it can be due to the following reasons:
1. The network does not function properly, or is configured in an incorrect way (see the
troubleshooting below).
2. he unit is behind a firewall that blocks the connection to ISS. If this is the case, the
possibility is that it also lacks the ability to broadcast a video s tream (see chapter 4).
3. Direkt link and receiver is connected via private LAN or VPN without Internet connection. It is possible to use Direkt link in this way, but it is not possible to use ISS
for monitoring and troubleshooting.
If the network functions to satisfaction, but no video stream is coming from the receiver,
please continue troubleshooting streams according to section 5.3.
5.2 Network
Access the network menu with the display interface located on the unit. Make sure the
network is functioning on the unit with the gray color in ISS by following the instructions
below:
1. Display network status - IP1 shall show 100 Mbps, full or similar. If this is not the
case, check the network cable, network outlet, and network switch that the unit is
connected to.
2. Note if the unit is configured to dynamic or static IP by checking which of the following
menu options are marked with *.
a) If the unit uses “Dynamic IP” check its “Current IP” on the unit. If it does not
have an IP number, it does not receive an IP number from any DHCP server.
b) If the unit has static IP number, make sure IP number, network mask, and gate-
way is functioning correctly.
3. If the unit is connected to the Internet (i.e. not via private LAN or VPN), make sure
the network connection is functioning with “test Internet” in the network menu. If
the unit is not connected to the Internet, try to connect to its web interface with a
computer (see chapter 3.8).
If all above is functioning, but the unit fails to connect to ISS, it is probably hindered by a
firewall that needs to be opened (see chapter 4).
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5.3 Streams
Starting with software version 2.10.0 Intinor support can view the
unit’s configurations in ISS. In this way, Intinor can easily make
sure Direkt link is broadcasting correctly, and that receivers are
correctly configured. You can contact Intinor for assistance with
troubleshooting.
Verify the streams on Direkt link with “list streams” in the stream menu on the display
or destinations under “active settings” in the web interface. Make sure the Direkt link is
streaming. Multicast streams are always broadcasting. Unicast streams are sent if there is
a receiver with a relevant IP number.
The Direkt link shows status information on the display that it broadcast data (in Mb).
Direkt receiver will display when receiving data (in Mb).
Depending on the transport used, test the following:
UDP multicast
Make sure the Direkt link is streaming. Multicast streams should always be broadcasted. Try to switch to test picture.Make sure the receiver is listening on the right
multicast address and port.
If the receiver fails to receive the stream, test switching to UDP unicast towards the
relevant receiver, and set the receiver to play UDP unicast.
UDP unicast and stream TCP
Make sure Direkt link is broadcasting to the IP number of the receiver. If the receiver
is behind a firewall, make sure the Direkt link is broadcasting to the receiver’s external
IP number and that the firewall is configured in a correct manner (see chapter 4).
TCP on request
Make sure that “TCP for streaming” is active in the web interface or on the display
on the Direkt link.
Make sure the receiver is set on TCP (download) with Direkt link’s IP number, and
the TCP port Direkt link is listening on. If Direkt link is behind a firewall make sure
the firewall broadcasts TCP, with the selec t port, to Direkt link (see chapter
4).
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5.4 Problem with office network
If the Direkt link is used on an office network, and the network
becomes slow and overloaded, it is likely a result of one, or several
of the following reasons:
1. Direkt link is broadcasting with more than 10Mbit/s multicast.
2. A unit on the network only supports 10Mbit/s e.g. a print
server, old laptop, old PC or SUN.
3. One or more switches sets to 10 Mbit/s to be able to deliver
multicast traffic to the above mentioned units.
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Chapter 6
Technical specifikations
6.1 Compatibility
Intinor is continuously developing software for Direkt link based on the customer’s wants
and needs. Newer software versions can be compatible with more formats and configurations
than is described in this chapter.
If compatibility with a particular hardware is important, Intinor’s technicians are likely able to customize Direkt link or do
certain add-ons to the software. Please, contact Intinor for upto-date status for compatibility for different units.
6.2 IP in
Direkt receiver SDI has digital video in via IP over ethernet.
digital video in MPEG2 video CBR (ISO/IEC 13818-2)
MP@ML, MP@HL (4:2:0)
422@ML, 422@HL (4:2:2)
H.264/MPEG4 AVC video (ISO/IEC 14496-10)
MP@L3.1, HP@L3 (4:2:0)
digital audio in MPEG1 audio layer 2 (ISO/IEC 11172-3)
AAC (ISO/IEC 14496-3:2005) MAIN
transport in MPEG2-TS over IP (ISO/IEC 13818-1) - UDP and
TCP
interface in one Ethernet 10/100/1000, RJ45
6.3 SDI out with embedded audio
Direkt receiver SDI has SDI output with embedded audio according to SMPTE 259M and
SMPTE 272M.
physical interface 75WBNC
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Intinor Direkt receiver SDI’s current SDI compatibility is according to table below:
interlace/progressive scan only support for interlaced
widescreen no signaling
time codes
no support for time codes
audio (format) SDI embedded (AES/EBU uncompressed PCM)
audio (precision) 16 bit audio
audio (channels) 0-16 channels
audio (sample rate) support for 32kHz, 44.1kHz and 48kHz
PAL/NTSC full support for PAL (50i). No support for NTSC
HDSDI limitied support for HDSDI (down scale)*
* full support for HDSDI is present on Direkt receiver HDSDI
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