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APPENDIX E - Troubleshooting

PROBLEM: THE VIDEO IMAGE OF THE AGILITY RECEIVER SHOWS HORIZONTAL LINES ACROSS THE SCREEN.

This issue is known as

Blinding

because the resulting video image looks as though you’re viewing it through a venetian blind.

When video is transmitted by Agility units, the various lines of each screen are divided up and transmitted as separate data
packets. If the reception of those packets is disturbed, then blinding is caused. The lines are displayed in place of the missing
video data packets.
There are several possible causes for the loss of data packets:

• Incorrect switch configuration. The problem could be caused by multicast flooding, which causes unnecessary network traffic.

This is what IGMP snooping is designed to combat, however, there can be numerous causes of the flooding.

• Speed/memory bandwidth issues within one or more switches. The speed and capabilities of different switch models varies

greatly. If a switch cannot maintain pace with the quantity of data being sent through it, then it will inevitably start dropping
packets.

• One or more Agility units may be outputting Jumbo frames due to the video resolution (2048 horizontal pixels) being used.

If jumbo frames are output by an Agility unit, but the network switches have not been configured to use jumbo frames, the
switches will attempt to break the large packets down into standard packets. This process introduces a certain latency and
could be a cause for dropped packets.

• One or more Agility units may be using an old firmware version. Firmware versions prior to v2.1 exhibited an issue with the

timing of IGMP join and leave commands that caused multicast flooding in certain configurations.

REMEDIES:

• Ensure that

is enabled on all switches within the subnet.

• Where each Agility unit is connected as the sole device on a port connection to a switch, enable

IGMP Fast-Leave (aka

Immediate Leave)

to reduce unnecessary processing on each switch.

• Check the video resolution(s) being fed into the Agility transmitters. If resolutions using 2048 horizontal pixels are unavoidable

then ensure that

are enabled on all switches.

• Check the

forwarding mode

on the switches. If

Store and forward

is being used, try selecting

Cut-through

as this mode causes

reduced latency on lesser switch designs.

• Ensure that one device within the subnet is correctly configured as an

, usually a layer 3 switch or multicast

router.

• Ensure that the firmware in every Agility unit is version 2.1 or greater.
• Try adjusting the transmitter settings on each Agility to make the output data stream as efficient as possible.

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Содержание ACR500DP-T-R2

Страница 1: ...USER GUIDE ACR500HDMI T ACR500DP T R2 AGILITY ZERO U TRANSMITTER 24 7 TECHNICAL SUPPORT AT 1 877 877 2269 OR VISIT BLACKBOX COM ...

Страница 2: ...demarks of BB Technologies Inc Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners We re here to help If you have any questions about your application or our products contact Black Box Tech Support at 877 877 2269 or go to blackbox com and click on Talk to Black Box You ll be live with one of our technical experts in less than 60 seconds ...

Страница 3: ...case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This digital apparatus does not exceed the Class A limits for radio noise emis sion from digital apparatus set out in the Radio Interf...

Страница 4: ...breros o gabinetes que impidan el flujo de aire por los orificios de ventilación 10 El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyendo amplificadores que producen calor 11 El aparato eléctrico deberá ser connectado a una fuente de poder sólo del tipo descrito en el instructivo de operación o como se ind...

Страница 5: ...on 12 Manual factory reset 12 Browser based configuration utility 13 Restoring a backup firmware image 14 Performing an upgrade 15 CHAPTER 5 OPERATION 16 Status indicators 16 Resetting 17 CHAPTER 6 FURTHER INFORMATION 18 Appendix A Supported video modes 18 Appendix B Configuration pages 19 Appendix C Dimensions 29 Appendix D Tips for success when networking Agility units 30 Appendix E Troubleshoot...

Страница 6: ...SPECIFICATIONS Approvals CE FCC Hardware Compatibility All computers with DVI D or DisplayPort digital video and USB interfaces Software Compatibility Operates with all known software and operating systems including Windows Linux Unix BSD all Sun OS all Mac OS NetWare etc Operating Temperature 32 to 104 F 0 to 40 C ...

Страница 7: ...a high speed network One to many configuration Using multicast techniques an unlimited number of receivers can receive video and audio data streams from a single TX unit A maximum of thirteen concurrent USB inputs via multiple RX units are permitted to a single TX unit AGILITY UNITS AND THE BLACK BOX IPATH AGILITY CONTROLLER Where multiple Agility units are used on a network we have developed the ...

Страница 8: ...lity Zero U unit to various ports on the host computer while the Agility RX unit is attached to your peripherals Status indicators Black USB plug provides Hi Speed USB signals plus power if the external power adapter is not present Red USB plug provides power only when the external power adapter is not present DisplayPort or HDMI Ethernet port Optional external power input Reset button Cable tie m...

Страница 9: ...ts digital audio feed either from the USB connection or from the video link i e embedded audio within the DisplayPort HDMI signal In both cases the digital audio is converted to analog as it is transferred to the receiver s where it is output via their 3 5mm jack s The two audio sources are controlled from the System Configuration page of the internal utility see page 20 as follows When the Enable...

Страница 10: ...ay be category 5 5e 6 or 7 twisted pair cable The Agility Zero U unit has an auto sensing capability on its network interfaces so for direct point to point connections no crossover Ethernet cable is required TO LINK THE AGILITY ZERO U UNIT 1 Connect a CAT 5 5e 6 or 7 cable to the Gigabit Ethernet socket on the front panel of the Agility Zero U unit 2 Connect the other end of the cable either direc...

Страница 11: ...taken from both USB plugs after a short interruption Note The USB plugs do not operate as a seamless failover for the external power adapter there will be a short interruption as operation switches from one power source to the other SUPPORT FOR AUDIO The Agility Zero U can derive its digital audio feed either from the USB connection or from the video link i e embedded audio within the DisplayPort ...

Страница 12: ... Controller must be running firmware version 4 12 or above IMPORTANT When using IPATH to configure Agility units it is vital that all units that you wish to locate and control are set to their factory default settings Otherwise they will not be located by the IPATH Agility Controller If necessary perform a factory reset on each Agility unit MANUAL FACTORY RESET A factory reset returns Agility Zero...

Страница 13: ...is supported if you do use one 2 Connect the other end of the link cable directly to the network port of your computer TO ACCESS THE BROWSER BASED CONFIGURATION UTILITY Use the menu options to choose the required configuration page Temporary link from your computer to the Agility Zero U network port 1 Temporarily connect the Agility Zero U unit and your computer as discussed left 2 Run a web brows...

Страница 14: ... load a new primary image see Performing an upgrade shown right TO RESTORE THE BACKUP FIRMWARE IMAGE 1 Power on the Agility Zero U unit 2 Use a narrow implement e g a straightened out paper clip to press and hold the recessed reset button for roughly ten seconds until the indicators flash green red 3 Release the reset switch The Agility Zero U unit will switch to the backup firmware image Once com...

Страница 15: ...le to downgrade the firmware After installing the older firmware perform a factory reset on each Agility unit in order to clear the configuration file TO UPGRADE A SINGLE AGILITY ZERO U UNIT VIA THE NETWORK LINK 1 Download the latest upgrade file from Black Box 2 Temporarily connect the Agility Zero U unit and a computer via a network see Browser based configuration utility section for details 3 R...

Страница 16: ...ration MAIN STATUS INDICATORS Off No power Green Operating Video USB and network link all present Orange Operating But video USB and or network link missing Red momentarily Unit is booting up or consistently Unit has failed try rebooting Red green flashing Unit is in backup mode Blue Factory reset has been activated Red blue flashing Unit is in upgrade mode Fast green flash Unit is in identify mod...

Страница 17: ...and reboot more than 15s blue The backup firmware version has no video or USB functionality Once invoked you will need to load an upgrade file to restore normal operation see page 14 TO RESET THE AGILITY ZERO U 1 Power on the Agility Zero U unit 2 Use a narrow implement e g a straightened out paper clip to press and hold the recessed reset button The status indicators will immediately turn red Use...

Страница 18: ...52 60Hz vesa 2048 x 1536 60Hz vesa 2048 x 2048 60Hz vesa 2560 x 1080 60Hz vesa 2560 x 1080 60Hz vesa 2560 x 1440 60Hz vesa 2560 x 1600 60Hz vesa 2560 x 2048 50Hz vesa 3440 x 1440 50Hz sun 1024 x 768 77Hz sun 1152 x 900 66Hz sun 1152 x 900 76Hz sun 1024 x 1024 61Hz sun 1280 x 1024 67Hz sun 1280 x 1024 76Hz cvt reduced 640 x 480 60Hz vesa 640 x 480 60Hz vesa 640 x 480 72Hz vesa 640 x 480 75Hz ibm 64...

Страница 19: ...7 877 2269 APPENDIX B Configuration pages This section covers the browser based configuration utility for the Agility Zero U unit The pages are titled as follows System Configuration System Messages Video Configuration Statistics USB Settings Firmware Upgrade Security Reboot IPATH Manager About ...

Страница 20: ... 877 877 2269 SYSTEM CONFIGURATION To get here 1Connect your computer to the network port on the front panel 2 Run a web browser and enter the IP address of the unit If the address is unknown perform a manual factory reset to http 169 254 1 33 3If necessary click the System Configuration link ...

Страница 21: ... checkboxes allow you to determine which peripheral options will be used Video digital audio and USB When the Enable Audio 1 option is checked the Agility Zero U arranges a bi directional audio stream with the host computer via the USB connec tion When the Enable Audio 2 option is checked the EDID definition of the DisplayPort or HDMI connection will be altered to permit a uni directional audio st...

Страница 22: ...UPPORT 1 877 877 2269 VIDEO CONFIGURATION To get here 1Connect your computer to the network port on the front panel 2Run a web browser and enter the IP address of the unit If the address is unknown perform a manual factory reset to http 169 254 1 33 3Click the Video Configuration link ...

Страница 23: ...essary network traffic by ignoring the color dithering where it occurs If the video source is not noisy or dithered then you can switch off Magic Eye to enable full color accuracy Magic Eye mode can remain enabled without penalty for video that does not have dither or noise Use Default DDC and Choose Default DDC When the Use Default DDC option is unticked Agility will use the EDID that is reported...

Страница 24: ... Using this option you can select whether Agility Zero U unit should report itself as a 13 or a 7 port USB hub Some USB hosts are only able to sup port 7 port USB hubs If this option is set to 7 then only 7 USB devices are supported by the PC Reserved Port Range For some devices e g touch screens you may wish to ensure that they are always reported to the same USB port number so that the USB drive...

Страница 25: ...tion is enabled if the receiver at the other end of the link has always on selected otherwise it is disabled Note video data is never encrypt ed Secure web pages with password When ticked this option enables https security so that the configuration pages are only accessible to the admin user with a password Change confirm password These options allow you to change the admin password for the system...

Страница 26: ...s to a remote server via the network Provide the IP address of a suitable server here also Note iPATH Agility Controllers use the User Data gram Protocol UDP for all Syslog traffic Store system messages in unit When ticked this option will store system mes sages within the memory of Agility Zero U unit Click the View messages button to view the list or the Clear messages button to delete the list ...

Страница 27: ...packet rates and or frame rates Submit Click this button after ticking the above checkbox to plot the chosen statistics on a pop up graph Upgrade Use this page to upgrade the main or backup firmware image on Agility Zero U unit Please see the section Performing an upgrade for details Reboot Use this page to perform a reboot or a factory reset Please see the section Manual factory reset for details...

Страница 28: ...displays key information about the Agil ity Zero U unit that may be requested by Technical Support To get here 1Connect your computer to the network port on the front panel 2 Run a web browser and enter the IP address of the unit If the address is unknown perform a manual factory reset to http 169 254 1 33 3Click the About link ...

Страница 29: ...7 877 2269 BLACKBOX COM NEED HELP LEAVE THE TECH TO US LIVE 24 7 TECHNICAL SUPPORT 1 877 877 2269 APPENDIX C Dimensions 1 97 50mm 4 x M3 holes 2 95 75mm 0 91 23mm 4 33 110mm 1 3 33mm 2 2 56mm 0 98 25mm 0 2 5mm ...

Страница 30: ...ches that perform their most onerous tasks e g IGMP snooping using multiple dedicated processors ASICS Ensure the maximum number of concurrent snoopable groups the switch can handle meets or exceeds the number of Agility transmitters that will be used to create multicast groups Check the throughput of the switch Full duplex 1Gbps up and down stream speeds per port Use the same switch make and mode...

Страница 31: ...on all switches with Agility units connected directly to them Enable the L3 switch as an IGMP Querier Enable Spanning Tree Protocol STP on all switches and importantly also enable portfast only on all switch ports that have Agility units connected If any hosts will use any video resolutions using 2048 horizontal pixels e g 2048 x 1152 ensure that Jumbo Frames are enabled on all switches Choose an ...

Страница 32: ...horizontal pixels being used If jumbo frames are output by an Agility unit but the network switches have not been configured to use jumbo frames the switches will attempt to break the large packets down into standard packets This process introduces a certain latency and could be a cause for dropped packets One or more Agility units may be using an old firmware version Firmware versions prior to v2...

Страница 33: ...LITY RECEIVER SOUNDS LIKE A SCRATCHED RECORD This issue is called Audio crackle and is a symptom of the same problem that produces blinding see previous page The issue is related to missing data packets REMEDIES As per blinding discussed previously PROBLEM IPATH CANNOT LOCATE WORKING AGILITY UNITS There are a few possible causes The Agility units must be reset back to their zero config IP addresse...

Страница 34: ...to specify particular sources of multicast data Agility units make use of IGMPv2 when performing multicasts to ensure that no unnecessary congestion is caused IGMP SNOOPING The IGMP messages are effective but only operate at layer 2 intended for routers to determine whether multicast data should enter a subnet A relatively recent development has taken place within the switches that glue together a...

Страница 35: ...o frames or Jumbo packets offer advantages for Agility units when transmitting certain high resolution video signals across a network This is because the increased data in each packet reduces the number of packets that need to be transferred and dealt with thus reducing latency times The main problem is that for jumbo frames to be possible on a network all of the devices on the network must suppor...

Страница 36: ... end store and forward switches latency is rarely an issue LAYER 2 AND LAYER 3 THE OSI MODEL When discussing network switches the terms Layer 2 and Layer 3 are very often used These refer to parts of the Open System Interconnection OSI model a standardized way to categorize the necessary functions of any standard network There are seven layers in the OSI model and these define the steps needed to ...

Страница 37: ... support department This product includes binaries that are derived from the open source community The modules listed below are licenced under the GNU Lesser General Public License v2 1 and must be provided in source form on request kmod libdaemon avahi libgpg error nettle libgcrypt gnutls libmicrohttpd In addition to the GPL modules listed this product also includes binaries derived from 3rd part...

Страница 38: ...called OpenSSL nor may OpenSSL appear in their names without prior written permission of the OpenSSL Project 6 Redistributions of any form whatsoever must retain the following acknowledgment This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit http www openssl org THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT AS IS AND ANY EXPRESSED OR IMPLIED WARRANTIE...

Страница 39: ...er materials provided with the distribution 3 All advertising materials mentioning features or use of this software must display the following acknowledgement This product includes cryptographic software written by Eric Young eay cryptsoft com The word cryptographic can be left out if the rouines from the library being used are not cryptographic related 4 If you include any Windows specific code o...

Страница 40: ...E LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF ADV...

Страница 41: ... along with any binary distributions derived from the GNU C Library BSD_3Clause For files cipher sha256 avx amd64 S cipher sha256 avx2 bmi2 amd64 S cipher sha256 ssse3 amd64 S cipher sha512 avx amd64 S cipher sha512 avx2 bmi2 amd64 S cipher sha512 ssse3 amd64 S begin_quote Copyright c 2012 Intel Corporation All rights reserved Redistribution and use in source and binary forms with or without modif...

Страница 42: ...ion is hereby granted free of charge to any person obtaining a copy of this software and associated documentation files the Software to deal in the Software without restriction including without limitation the rights to use copy modify merge publish distribute sublicense and or sell copies of the Software and to permit persons to whom the Software is furnished to do so subject to the following con...

Страница 43: ...This license terminates for you if you sue someone over their open source software implementation of OCB claiming that you have a patent covering their implementation License for Open Source Software Implementations of OCB January 9 2013 1 Definitions 1 1 Licensor means Phillip Rogaway 1 2 Licensed Patents means any patent that claims priority to United States Patent Application No 09 918 615 enti...

Страница 44: ...oftware Implementation does not include any Software Implementation in which the software implicating the Licensed Patents is combined so as to form a larger program with software that is not Open Source Software 2 License Grant 2 1 License Subject to your compliance with the term s of this license including the restriction set forth in Section 2 2 Licensor hereby grants to you a perpetual worldwi...

Страница 45: ...wing acknowledgement This product includes software developed by the University of California Berkeley and its contributors 4 Neither the name of the University nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS AS IS AND ANY EXPRESS OR IMPLIED WA...

Страница 46: ... documentation are those of the authors and should not be interpreted as representing official policies either expressed or implied of the Regents of the University of California Module strace Copyright c 1991 1992 Paul Kranenburg pk cs few eur nl Copyright c 1993 Branko Lankester branko hacktic nl Copyright c 1993 Ulrich Pegelow pegelow moorea uni muenster de Copyright c 1995 1996 Michael Elizabe...

Страница 47: ...nts of the University of California Redistribution and use in source and binary forms with or without modification are permitted provided that the following conditions are met 1 Redistributions of source code must retain the above copyright notice this list of conditions and the following disclaimer 2 Redistributions in binary form must reproduce the above copyright notice this list of conditions ...

Страница 48: ...ed See the following document for more details ftp ftp cs berkeley edu pub 4bsd README Impt License Change Other files under the 4 clause BSD license and whose copyright doesn t belong to the The Regents of the University of California are listed below aodv h Copyright c 2003 Bruce M Simpson atmuni31 h Copyright c 1997 Yen Yen Lim and North Dakota State University ieee802_11 h Copyright c 2001 For...

Страница 49: ...R ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE DATA OR PROFITS WHETHER IN AN ACTION OF CONTRACT NEGLIGENCE OR OTHER TORTIOUS ACTION ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE Internet Systems Consortium Inc 950 Charter Street Redwood City CA 94063 info isc org https www isc org Module ntp _________________________________________________________________ The f...

Страница 50: ...tributions in binary form must reproduce the above copyright notice this list of conditions and the following disclaimer in the documentation and or other materials provided with the distribution THIS SOFTWARE IS PROVIDED BY THE AUTHORS AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAI...

Страница 51: ...eference clock driver NT adj residuals integrated Greg s Winnt port 16 17 John A Dundas III dundas salt jpl nasa gov Apple A UX port 17 18 Torsten Duwe duwe immd4 informatik uni erlangen de Linux port 18 19 Dennis Ferguson dennis mrbill canet ca foundation code for NTP Version 2 as specified in RFC 1119 19 20 John Hay jhay icomtek csir co za IPv6 support and testing 20 21 Dave Hart davehart daveha...

Страница 52: ...i erlangen de monitoring trap scripts statistics file handling 45 49 Dirce Richards dirce zk3 dec com Digital UNIX V4 0 port 46 50 Wilfredo Sánchez wsanchez apple com added support for NetInfo 47 51 Nick Sayer mrapple quack kfu com SunOS streams modules 48 52 Jack Sasportas jack innovativeinternet com Saved a Lot of space on the stuff in the html pic subdirectory 49 53 Ray Schnitzler schnitz unipr...

Страница 53: ...53 1 877 877 2269 BLACKBOX COM NEED HELP LEAVE THE TECH TO US LIVE 24 7 TECHNICAL SUPPORT 1 877 877 2269 ...

Страница 54: ... is powering Replace the power adapter with a manufacturer approved type only Do not use the power adapter if the power adapter case becomes damaged cracked or broken or if you suspect that it is not oper ating properly If you use a power extension cord with the units make sure the total ampere rating of the devices plugged into the extension cord do not exceed the cord s ampere rating Also make s...

Страница 55: ... COPYRIGHT 2021 BLACK BOX CORPORATION ALL RIGHTS RESERVED NEED HELP LEAVE THE TECH TO US LIVE 24 7 TECHNICAL SUPPORT 1 877 877 2269 877 877 2269 blackbox com ACR500HDMI T_ ACR500DP T R2_V0 0 pdf ...

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