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APPENDIX A: FREQUENTLY ASKED QUESTIONS

A.1 NETWORK 

 

Question

: In a point-to-point environment, how should the encoder be configured? 

Answer

: First, on the networking front, be sure that both the encoder and the third-party decoder are set for static IP with addresses 

on the same subnet. Black Box recommends RTP for P2P installations. RTP has more timing and synchronization information built 
into the protocol. 

Question

: In a network environment, how best should the encoder be configured?

Answer

: In a network environment, the encoder should be configured for UDP/RTP and multicast.

Question

: How does channel beaconing work?

Answer

: The channel beacon uses the 239.13.1.19 multicast address. The encoder uses this address to publish its channels across 

the network. In a single layer 2 network, this should always work. In a routed layer 3 network, this multicast address needs to be 
added to the router’s forwarding table explicitly. By default, routers will not forward this address. The actual command to do this 
varies by router. 

Question

: What is included in the beacon signal?

Answer

: The beacon includes the multicast group, port, and source IP address. 

Question

: What other network protocols are required to support the encoder/third-party decoder?

Answer

: For an installation of more than a couple of encoder sources, the layer 2 Ethernet switch needs to be a smart switch that 

supports IGMP and multicast traffic management and varies by vendor. 

Question

: Should every encoder stream in the system be configured with a different multicast address? (UDP and RTP streaming)

Answer

: Each encoder stream needs to be configured for a different multicast address for proper stream bandwidth management. 

Network switches filter based on the IP multicast address only. If multiple encoder streams are configured with the same multicast 
address with different ports, all the packets with that multicast address will be forwarded to any decoders tuned to any one of 
those channels. This will overwhelm the Ethernet processing on the decoder and cause video artefacts.

Question

: What is the range of multicast addresses that can be used by the encoder?

Answer

: The full range of multicast addresses is from 224.0.0.0 to 239.255.255.255

Question

: What is the maximum router hop limit or TTL of a multicast stream?

Answer

: The maximum hop limit is 9. Therefore, the TTL = 10.

Содержание VS-2002-ENC

Страница 1: ...24 7 TECHNICAL SUPPORT AT 1 877 877 2269 OR VISIT BLACKBOX COM H 264 HDMI OVER IP ENCODERS VS 2002 ENC VS 2004 ENC USER MANUAL System Status Pwr Stat NAV Control...

Страница 2: ...4 4 IP Stream Configuration UDP RTP and RTMP 13 4 5 IP Stream Configuration HLS 16 4 6 HLS Stream Viewing 18 4 7 HLS Stream Limit 19 4 8 Adjusting Video Settings 20 4 9 AV Source Settings 22 4 10 Adju...

Страница 3: ...SWITCHES 37 5 1 Recommended Switches 37 5 2 Switch Configuration Options 37 APPENDIX A FREQUENTLY ASKED QUESTIONS 39 A 1 Network 39 A 2 Miscellaneous 40 APPENDIX B REGULATORY INFORMATION 41 B 1 FCC St...

Страница 4: ...d prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet The power cord must be accessible to allow for the...

Страница 5: ...nput 2 or 4 HDMI Type A 19 pin female 4 3 5 mm mini jack analog audio Audio Sampling Rate 48 kHz Audio Input 2 or 4 HDMI Type A 19 pin female 4 3 5 mm mini jack analog audio Audio Compression Format A...

Страница 6: ...s from 1 Mbps through 10 Mbps Offers assignable Program Number and Channel Name inserted in an encoded stream Output resolution can track input resolution or be fixed at a static size Supports audio i...

Страница 7: ...CRIPTION 2 4 1 FRONT PANEL Figure 2 1 shows the front panel of the encoder Table 2 1 describes its components Status NAV Control Pwr System Stat 1 2 3 4 FIGURE 2 1 ENCODER FRONT PANEL TABLE 2 1 FRONT...

Страница 8: ...IN CC Aud Media Transport 1Gb Ethernet POE 12VDC 0 8A Power Encoder 2 3 2 3 2 3 4 1 FIGURE 2 2 ENCODER BACK PANEL TABLE 2 2 BACK PANEL COMPONENTS NUMBER IN FIGURE 2 2 COMPONENT DESCRIPTION 1 Power LE...

Страница 9: ...ise the encoder will assign itself a link local address To connect to the unit and depending upon your network setup you might need to adjust the IP settings of the computer so that it can connect to...

Страница 10: ...or Chrome browsers 4 2 LOGGING IN 1 Make sure that the computer used to access Maestro and the encoder are on the same network If a network is not being used the encoder can be directly connected to t...

Страница 11: ...S 2002 ENC has only one IP address There is an IP address for AV ports 1 and 2 and a different IP address for AV ports 3 and 4 Both addresses should be set using this procedure NOTE Once the encoder i...

Страница 12: ...FIGURE 4 4 7 Enter the subnet mask in the Mask field 8 Enter the gateway address in the Gateway field FIGURE 4 5 9 Repeat the procedure for AV Port 3 and 4 VS 2004 ENC only Click the Apply button to...

Страница 13: ...unicast using the RTMP protocol 1 Login to the Maestro web interface See Logging In for more information 2 Click the IP Streaming tab FIGURE 4 6 3 To enable IP streaming be sure that the Enabled drop...

Страница 14: ...es the IP stream NOTE The 224 0 0 x range is used for protocol discovery and is flooded to every port Because these addresses are reserved and may not be constrained by IGMP snooping we recommend agai...

Страница 15: ...iewing client will display the short channel name when tuning to different streams The short name cannot be more than 7 characters long Letters numbers and spaces are permitted 11 Enter a description...

Страница 16: ...LC The link below provides a detailed example of how to use VLC to view a multicast stream https youtu be bslkfZJh3iA 4 5 IP STREAM CONFIGURATION HLS The encoder can be configured to output an on dema...

Страница 17: ...content in the Name field The name field cannot exceed 7 characters Spaces are not allowed in the Name field because it is used as part of the address for HLS streaming 7 Click the Apply button to sa...

Страница 18: ...a free plug in that can be downloaded and installed https chrome google com webstore detail native hls playback emnphkkblegpebimobpbekeedfgemhof NOTE Chrome requires audio to be in MP2 format Firefox...

Страница 19: ...77 877 2269 CHAPTER 4 BASIC OPERATION 4 7 HLS STREAM LIMIT The encoder can output up to four simultaneous HLS streams per HDMI input Once this limit is reached any additional devices attempting to acc...

Страница 20: ...UDP and RTP streams the High Bitrate setting is used NOTE The Low Bitrate setting and Low Resolution are disabled in these modes Click the High Bitrate drop down list to select a bitrate from 1 to 10...

Страница 21: ...ple http 192 168 1 15 media MYTV 1 m3u8 This will show the best stream that the HLS player can handle either the high or low bitrate NOTE The HLS URLs are case sensitive You can manually select either...

Страница 22: ...HDCP compatible video if it detects the HDCP handshake The encoder can disable this HDCP handshake so that laptops will not automatically send HDCP encrypted output To disable HDCP handshaking the en...

Страница 23: ...lt is MP2 You can change the desired audio format manually 1 Login to the Maestro web interface See Logging In for more information 2 Click the Device tab FIGURE 4 23 3 In the lower left area of the s...

Страница 24: ...e secure connections for those streams by generating and uploading an SSL certificate via Maestro This certification will only be used for HLS video streaming There is a multistep process to use HLS e...

Страница 25: ...ued by a certificate issuing service NOT by Black Box These certificates are typically only valid for a period of time and then they expire and the user has to renew them Failure to do so will result...

Страница 26: ...te from the certificate signing authority that you want to use you need to go back to the SSL tab and upload it FIGURE 4 30 7 Once you upload your certificate private key file and certificate chain fi...

Страница 27: ...interface See Logging In for more information 2 Select the SSL RTMP tab FIGURE 4 32 The right side of the screen will have fields used for streaming to a Wowza server FIGURE 4 33 The IP Address field...

Страница 28: ...e Maestro web interface See Logging In for more information 2 The Status tab will be selected automatically FIGURE 4 34 The System field displays the name of the encoder This name can be changed See t...

Страница 29: ...below 1 Log in to the Maestro web interface See The Maestro Web Interface for more information 2 Click the Device tab 3 Enter the desired name in the Device Name field FIGURE 4 36 4 Click the Apply bu...

Страница 30: ...SUPPORT 1 877 877 2269 CHAPTER 4 BASIC OPERATION FIGURE 4 37 4 The following dialog will be displayed prompting to confirm the reset procedure 5 Click the Reset button to reset the encoder to factory...

Страница 31: ...encoder to factory defaults Rotate dial to the right to revert the encoder to the previously installed version of firmware Be sure to hold the dial either right or left until the reboot begins 3 The...

Страница 32: ...d see Recovering a Lost Password 1 Log in to the Maestro web interface See Logging In for more information 2 Click the Device tab 3 Click the Password button under Actions FIGURE 4 41 4 Enter the new...

Страница 33: ...te the dial to the left to reset the encoder to factory defaults Rotate dial to the right to revert the encoder to the previously installed version of firmware Be sure to hold the dial either right or...

Страница 34: ...played Click the Browse button to select the firmware file FIGURE 4 45 6 Click the Update button to begin the firmware update process 7 Once the firmware as been applied the encoder will automatically...

Страница 35: ...ve a DirecTV H 25 do not make changes to any fields found in this tab 1 Click on the STB tab FIGURE 4 46 2 Enter the IP address of the H 25 into the STB IP field Once you have programmed the IP addres...

Страница 36: ...x to force the setting you specify WIth Force enabled Maestro will query the box automatically and periodically and set the command to your configuration For example if 242 appears in the Actual field...

Страница 37: ...rts PoE Arista 7010T 48 48 1 Gbps ports 4 10 Gbps ports Luxul XMS 7048P 48 1 Gbps ports supports PoE Luxul XMS 5248P 48 1 Gbps ports supports PoE Luxul XMS 2624P 24 1 Gbps ports supports PoE Luxul AMS...

Страница 38: ...t wording than number 4 a Must be enabled if found 6 Disable IGMP Query 7 Disable IGMP Query on VLAN used by the encoder 8 Validate IGMP IP Header a Must be disabled if found 9 Set IGMP Version to IGM...

Страница 39: ...ter Question What is included in the beacon signal Answer The beacon includes the multicast group port and source IP address Question What other network protocols are required to support the encoder t...

Страница 40: ...le Black Box has verified functionality with HDMI cables up to 25 feet 7 62 meters long Question What is the recommended video bitrate setting for the encoder when streaming video to decoder devices A...

Страница 41: ...when the equipment is operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required...

Страница 42: ...tes que impidan el flujo de aire por los orificios de ventilaci n 10 El equipo el ctrico deber ser situado fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros apar...

Страница 43: ...e consequential or cost of cover damages resulting from any errors in the product information or specifications set forth in this document and Black Box Corporation may revise this document at any tim...

Страница 44: ...NEED HELP LEAVE THE TECH TO US LIVE 24 7 TECHNICAL SUPPORT 1 877 877 2269 COPYRIGHT 2020 BLACK BOX CORPORATION ALL RIGHTS RESERVED VS 2002 ENC_VS 2004 ENC_USER_REV1 PDF...

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