CoaxData SECTION_ENG.indd
Contents
1. To overcome this problem the are several proposals that will be exposed in next paragraphs and illustrations Let us review all possible situations as well as the procedure to solve them Diplexer j TV DATA J Passive return channel inside the amplifier The first task will be always make tests to be sure that the network is ready to accept the installation of CoaxData modems as it has been explained previously making use of a professional Field Strength Meter like our H45 diplexers Return Channel Simulator device and the corresponding CoaxManager software Line amplifier with the possibility of changing its configuration ready to be equipped with a Return Path module If the amplifier is featured with the possibility of inserting a Passive Return Path Module there is no nothing more to do The system will function for both forward path and return path Televes SHARED DISTRIBUTION NETWORKS Shared Networks Line amplifiers Passive bypass by using diplexer filter ref 7654 First of all make tests to be sure that the network is ready to accept the installation of CoaxData modems By using this configuration it is kept the structure Master Slave and the Remote Access Management as well The Internet Di2. Diplexer TV DATA Fr p J Slave of Master 1 o 0 _ ee 6 SYSTEM MANAGEMENT CoaxManager Software This CoaxManager Software tool allows setting the operating mode and system parametres as well as check either the network status or links of each device Ad hoc software development option i e management Networking or MDU MTU Multi Dwelling Unit Multi Tenant Unit Create private networks encryption Loamvanager Hever alee LIAL Ref 7689 Coax Manager Theri o alli Iuracan H ril a e Hato Casita 109 Disconnect Configuration Matak advanced Qos Advanced Paranoias Update Finans About Karan HT EDDO MC 32 00 3085 000 DP Fedon HE LERS Adian M DE AC Dd 303 16619 0046 968 02 06 14174106 0615717 ADN e Hier DRA 4 A Pe AU BO 97 Hormel Bat FE EO SES id AA 003 I Accam_Cortrol_4 2_ 1330082887 pib ED Fe Pira Oosie E is Network Type E Aye C ha Hab MOU brke Mode Teremin rt E Pe Era r sia Pak 1 Ca acc 75 0 Mal Hy bald or PLE 2 30 bad paith ORO OE Sar SO DANOS Scaning 8 configuration window LaasMansper leloves labs IA LAA Ref 7689 Coax Manager Trio Addirea o cn ma ETA Wabak Davian 000701509030 Diseamnoct Configuration Hark idvenosd os Advanced Paeses Update Aba Desioa Info HA ME 1504 Read ra ft Sete OS ee
3. COAXDATA Televes CONTENTS 1 Ethernet coaxial adapter 1 1 Coaxdata homeplug 1 2 Physical description Home networking Home networking Examples of application 3 1 Home networking 3 2 PLC option 3 3 Hybrid option Shared distribution networks Coaxial network checking Coaxial network checking steps oe Shared distribution networks Examples of applications 7 1 Small Medium shared distributions networks 7 2 Using several master modem at the headend 7 3 Making individual installations of home networking in a number of dwellings of a building 7 4 Establishing AVLNs 8 Professional and special applications 9 Shared distribution networks line amplifiers 10 System management 11 Coaxmanager software 12 Snmp simple network management protocol with web interface Televes COAXDATA The bandwidth of the coaxial cable allows to multiplex a number of services other than televison Coaxdata is a state of the art system that converts a television coaxial network into a high speed local network By means of Coaxdata sharing resources computers printers an internet connection etc does not need any additional cable ana Ce SISI SSX gt X gt gt gt S gt AOL ADAPTER Coaxdata Homeplug The Coax Data 200 Mbps HDTV adapter makes the transmission of data possible over the existing electrical and or coaxial distribution The use of the already existing coaxial n
4. Enable wv Change configure access Enable vs Change configure access Sd iurar local 5 1CE Device Description Dowstream Bandwidth NO LIMIT Upstream Bandwith Hosts Limit disable Description MAC Address Link State Access State Modem Maestro 00 0E 7C 15 01 CE pe o configure access configure access Modem Maestro 00 0E 7C 15 01 CE pe e 20 SNMP Agent The devices menu shows all modems detected by the system indicating their MAC address and link state as well as the possibility to configure their access parametres Enabling or disabling modems ir performed by using the Enable Disable option When a modem is disabled it is indicaetd by a red circle To Eliminate a modem from the list just make use of the option Delete on the Access Control List Televes SYSTEM MANAGEMENT SNMP Simple Network Management Protocol with Web interface ComDATA Ael 7689 200Mbps HDTV SW Version 101 Fri Oct i 09 37 04 2010 Control Wat tab Alarma Configuration ElPrimary IP Trap Destination fe o 110 1 C Secondary IP Trap Destinadon L L L Erable Trap Tol mall matias fra lara com smip server hesniisinvs com amip user ambos password Tona end Email Every minutos Trap Community loomu Max Cached Alarme 100 Alarma Activo Ling In Trap En
5. an LAN where all the devices communicate with each other peer to peer In this application it is used both coaxial cable and electric infrastructures of the house for data trnasmission COAX PLC In other words whichever electric or coaxial outlet can be a LAN point ua ON Nao e gt y SHARED DISTRIBUTION NETWORKS Coaxial network checking Before to enface any shared distribution network to be equipped with the capability for distributing data using the modem ref 7689 it is nesessary to know if that particular network has its return path in conditions to distribute data Some test equipment is necessary to carry out this job Field Strength Meter with good specifications as to measure the noise in the return path like our H45 Return path simulator ref 7637 Diplexer filters ref 7654 Our Field Strength Meter H45 meets all the requirements to do this job Televes Simulador canal de retorno A 7637 The first step is check the output of the Return Path Simulator with the H45 Meter and record it a a reference for further measures Set operating mode to 7 Mel pa 1 1 0B PP INN Televes Y Televes Televes FPB e e Ref 7654 SO OS FPA e e e e A 7654 a ee LU 91 1 080 m hi HUH 250 KHZW Televes SHARED DIS
6. the CoaxData 200Mbps HDTV modem is used to share the services of your Internet provider at home Using the modem you will get access to the services provided by your ISP such as the Internet access video streaming or VoIP throughout the home without requiring additional infrastructure The following diagram shows a prototype facility in which a user can access the different services provided by the Internet anywhere in the house You can also share printers and media servers located in other rooms of the same Share printer NAS Media Server the Internet on the same network HOME NETWORKING Televes Examples of application PLC option BASIC INSTALLATION The Coax Data 200Mbps HDTV adapter is factory configured to be able to perform a Home Networking plug and play installation This allows for the creation of an LAN where all the devices communicate with each other peer to peer In this application it is used the electric network infrastructure of the house for data trnasmission PLC The main benefit of this application is based on the fact that the electrical network reaches every corner of the home Examples of application Hybrid option BASIC INSTALLATION The Coax Data 200Mbps HDTV adapter is factory configured to be able to perform a Home Networking plug and play installation This allows for the creation of
7. TRIBUTION NETWORKS Coaxial network checking steps vA e e oo The aim of all these steps is checking the status of the return path and determine if it is in conditions to transmit data information 1st STEP Disconnect the output of the Headend and check the quantity of noise generated by it in the return path 5 30 MHz By means of the meter H45 it can be measured and must be equal or less than 50 dBuV 2nd STEP Next make the same measure but this time for the distribution network It is performed by connecting the H45 to the input of the distribution network and checking that the noise generated by all its elements into the return path 5 30 MHz never exceeds 25 dBuV 3rd STEP Check the attenuation of the distribution network for the return path between the input of the distribution network and the worst case for conecting a modem 7689 It must be equal or less than 80 dB SHARED DISTRIBUTION NETWORKS Examples of applications Small Medium shared distributions These type of networks used to work having a master to control the rest of modems The Coax Data 200Mbps HDTV adapter 15 an ideal device for Networking country Houses and small Hotels where a master is controlling the streaming of information between the different slaves This way it can be enabled disabled any of the CoaxData adapters by using a software of control Using several master modem at the headend When ther
8. able El Lini Out Trap Enable E Linked Without Access Control E Device Acecoa Contral Change A Channel Low SNA Trap Enable El SHA ThresholdD 2905 10 Channel Low PHY Fate Trop Enable F PHY Rate Thresholdf20 160JMbpe 120 SubAgent Cold StariFisatart E SubAgent Periodic Trap E Perige Time 10 600 sees 600 HPAV Manager daemon Cold Start HPA Manager Mot Running E meo Device Wrong Firmware Es a ti Ho Devices Found ho Master Pound El Appt This interface allows configuring the generation of traps to receive mails in a specific mail address It also allows activating deactivating the alarms of the system 21 Coaxdata Televes Sede Central Rua B de Conxo 17 15706 Santiago de Compostela SPAIN T 902 686400 F 981 52 22 62
9. dem ref 7689 controls the rest of modems that are operating as slaves Televes The challenge is just to desing a network in such a way that the maximum attenuation in the worst case never will be higher than 85 dB between the master and any of the slaves all along the network Data transmission is performed making use of the PASSIVE return path of the network 2 30 MHz This case study considers a network of 130 bungalows That is 130 units of the reference 7689 working as slaves of the master unit located in the headend The master unit can handle up to 253 slave units so the system could be significantly larger always subject to the condition of 85 dB of maximum attenuation Televes SHARED DISTRIBUTION NETWORKS Shared Networks Line amplifiers a In the likely event that there are line amplifiers for signal Ny wi reamplification on networks caused by losses of coaxial cable and distribution components it is necessary to ensure the coexistence of the data network with these amplifiers i Many times line amplifiers tend to be unidirectional ie only amplify the TV signal from the headend to the outlet of the user forward channel The Internet This fact prevents data communications since this is a bidirectional system and we need a communication between the headend and the outlet and vice versa
10. e 10 to 45 Firmware Max number of slaves no AGA masters Max length of Coax cable kg 800 data network Power line 200 Users per slave no 2 A 7689 Manager Software included in the CD and Control Access Software Thisallows configuring the devices with the parameters that the installer may require Operating mode Home Networking or MDU Multi Dwelling Unit MTU Multi Tenant Units QoS parameters Access code to the network And many other possibilities of adjustment User Manual is included in the CD which comes with the product 85 dB 85 dB 85 dB e Es Point To Multipoint Home Networking with automatic configuration master slave There is no conection between slaves S a DU MTU 85 dB a k 85 dB 85 dB 85 dB e 85 dB Multipoint To Multipoint Televes ICO AT ADAPTER Physical description Coaxial cable ea AS Televes Coax Hybrid O Electric cable r 10 100 Mbps 120 Mbps lt throughput Coaxial Link Status gt TV data Ethernet 10 100 Mbps 70 Mbps lt throughput lt 120 Mbps 0 Mbps lt throughput lt 70 Mbps factory reset Medium connectivity switch y Coaxial amp Electric cables j D Coaxial cable only Examples of application Home Networking BASIC INSTALLATION Coaxial option One of the most typical applications of
11. e are several downlead coaxial sections as it happens in most of the large multi dwellings buildings you can install several masters at the headend of the coaxial distribution network Each master serving an independent coaxial downlead e In this case we must note that there are several differences with respect to facilities in which are established several AVLN The installation of several masters at the headend increases the effective data rate that the network 15 able to support Aw J f J Televes master where each data network is created in a independent coaxial distribution which increases the total system capacity by facilitating the development of video streaming or IPTV The master modems installed at the headend do not have to be configured with different network password since they operate separately on each coaxial distribution networks To increase the isolation between these master modems use the filter diplexer ref 7654 for mixing TV signals and data In this type of schemes is also necessary to take into account the losses suffered by the TV signal in the process for multiplexing TV Data signals this is so because of the need to chose the right type of taps for the distribution network SHARED DISTRIBUTION NETWORKS Examples of applications Making individual installatio
12. e master modem operation and leading to lower links quality A professional network is differentiated by the need to use the management application CoaxManager control included with the product This software must be installed to adjustthe product to certain characteristics that are out of the factory settings The mode MDU MTU Multi Dwelling Multi Tenant Unit for complex installations allows the use of the adapter 200 Mbps Coax Data HDTV in any coaxial network topology This mode implements communication over a coaxial network in buildings houses hotels establishing point to multipoint communication To make these complex systems to work the device must be configured either as master or as slave Both functions can play the ref 7689 Master 15 the element that is usually installed in the distribution headend to manage all network elements Can be connected to an ISP Internet Service Provider to provide Internet access A Slave is the element that provides the access point to the user SHARED DISTRIBUTION NETWORKS The figure below illustrates a typical distribution of a complex consisting of bungalows spreaded over an area of 375x375 square metres approximately This represents a professional solution to deliver at eact bungalow a complete menu of services TV broadcast QAM COFDM IPTV e the Internet Video On Demand VoD Triple Play VoIP The router is located at the Headend where a master mo
13. er ref 7654 for TV and data signals in order to ensure that the noise introduced by the headend in the return channel does not affect the quality of links Do not forget to schedule different passwords on each of the masters to create different AVLNs Do not forget to program the password of each one of 11 the slaves with the corresponding one to each of the masters If the slaves are not programmed with the appropriate password they will not able to communicate with any master You can check the status of each of the networks by running the CoaxManager program To do this you have to communicate with each one of the masters modem and verify the attenuation and the payload by simply connecting a laptop to the switch and running the program CoaxManager on each of the masters modem SHARED DISTRIBUTION NETWORKS Televes Professional and special applications Systems like these will need a support engineering for the design and installation for example MATV SMATV large distributions small medium CATVs small medium HFCs and in general terms distributions over coaxial cable in buildings medium and large hotels housing management companies residential homes schools hospitals cruise ships safety technology The system uses the return channel coaxial passive network and a determining factor is a maximum attenuation of 85 dB between points For setting up these professional systems it is neces
14. etwork infrastructure allows for a rapid easy and economic installation of the system without the need for construction Transfer of up to 200 Mbps ideal for uses such as VoIP telephony Internet TV VoD shared access to Internet and IP data communications in general Integrated quality of service Quality of Service QoS for prioritisation of the data All this guaranteeing ideal transmission and maximum safety by means of the 128bit AES coding Flexible and upgradable solution for the construction of segments of up to 253 devices In the MDU MTU mode over coaxial alone there is the possibility of using up to 4 Masters in the same frequency band 1012 slaves No changes are necessary in the topology of the coaxial network to coexist with existing TV services Coaxial cable high attenuations 85dB are supported Coaxial cable lengths up to 800m are supported as well as power line lengths up to 200m Remote management is possible by means of the Coax Reference o Connectorization Ethernet interface 2 x RJ45 Coaxial interface SE 2 x F TV data Data coaxial interface Bandwidth MHz 2 30 Output level dBuV 130 Min power spectral density dBm Hz 135 Output impedance ohm 75 TV coaxial interface Bandwidth MHz 57 2150 Through losses dB 2 Return losses dB gt 10 Output impedance ohm 75 Power Temperature Mains voltage 50 60 Hz Vac 100 240 Max consumption W mA 4 6 45 Operating temperature c
15. magement of professional networks gt Allows to configure the access mode of the coaxial modems CoaxData 200 Mbps in such a way that a device can be enabled disabled set the access parameters like bandwidth and the number of user per modem Lets you check the status of a network by determining the rate estimated between the links of the different devices It allows the generation of alarms that alert the user of any incident like the loss of a device link its poor quality as Access control setting up requirements For the installation of the SNMP access control is necessary a PC with a Windows operating system NT 2000 XP Vista Windows7 and an Ethernet Network Interface The scheme of installation of the application is shown in the figure above gt 19 The PC where it is installed the access control must be connected to the master s of the network The mode of operation of all installation modems will be MDU MTU If it is installed the access control and some well as the access to the current state of the network The system configuration can be accomplished using the SNMP protocol itself or through a simple Web interface for users without technical knowledge of this protocol To do this it is provided a complete MIB Management Information Database specification that defines all the SNMP objects implemented by the agent Automatic sending of emails for tracking the system and notifying inciden
16. nother different network what is known as mitigation Of course the CoaxManager program must be enabled M Network 1 A Network 2 AK XN a J SHARED DISTRIBUTION NETWORKS Examples of applications Establishing AVLNs The ref 7689 allows the installation of up four masters at the headend which increases the potential number of modems that can be installed but at the expense of total bandwidth to share Each of the networks created by a master is called AVLN AV logical network and is established using different Network Passwords This password is set by means of the CoaxManager program Televes by setting MDU MTU as the operating mode of the modem The password must be different in each of the masters and each slave must be programmed with the master password with which the slave wants to communicate There is a limit to the maximum number of modems that can manage an AVLN 1 Master 253 Slaves By using 4 master modems it can be increased the limit of slave modems up to 4x253 1012 slaves Slave AVLN eo na Slave AVLN __ Masters es AVLN AVLN _Il See a 8 AVLN ll AVLN _IV router internet CoaxManager program Control Access Slave AVLN Slave AVLN IV Up to 1012 slaves working on the same coaxial distribution network When carrying out the installation of multiple masters consider the following Always use the diplex
17. ns of home networking in a number of dwellings of a building Even though the outlets shall be properly isolated to prevent that each one of the dwellings interfere with each other in TV services and data depending on the conditions of its installation they may not be adequately isolated and then the data networks installed at the dwellings of the building will get interferences with each other In this case you must install a diplexer filter 7654 at the entrance of each dwelling coaxial network in order to avoid that each of the nearby networks interfere with each other and that the noise of the head interferes with the quality of the links The installation of these diplexers allow to determine the perimeter in which the master serves a data network and allows installation of multiple networks within a building or diplexer ref 7654 diplexer ref 7654 10 Televes dwelling Additionally if it is not possible to install the filter or suspect that your system is being affected by a close network and interfering with the quality of links firmware 7689 provides a mechanism called additional mitigation that detects nearby networks and adjusts its transmit power and receiver sensitivity to reduce the effect that networks have with each other To do this by running the CoaxManager program you can configure coaxData devices to detect nearby devices belonging to a
18. plexer TV DATA Line amplifier with the possibility of changing its configuration ready to be equipped with a Return Path module Televes SHARED DISTRIBUTION NETWORKS Shared Networks Line amplifiers e Bypass using the modem ref 7689 First of all make tests to be sure that the network is ready to accept the installation of CoaxData modems This configuration allows to reach longer distances since the use of a new master after the amplifier extends again those 85 dB extra attenuation allowed between the master and the slave The Internet Diplexer TV DATA MES Slave of Master 1 Slave of Master 1 D Slave of Master 1 The tradeoff is the impossibility of remote managing since there is a intermediate step to Ethernet Master 2 Slave of Master 2 Televes SHARED DISTRIBUTION NETWORKS Shared Networks Line amplifiers Bypass by using the modem 7689 and the diplexer filter ref 7654 High isolation First of all make tests to be sure that the network is ready to accept the installation of CoaxData modems The Internet In this case it might happen that there were not enough isolation Then it could be used the solutions already seen for cascade
19. sary to keep in mind a number of common characteristis to guarantee the success of the job Slaves o The presence of line amplifiers to re amplify the TV signal The data transmission system on which is based the ref 7689 technology works in the frequency range 2 30 MHz and is a bidirectional system since it generates signals coming either from the slaves connected to the outlets or from the master located at the headend This implies that the return channel line amplifiers should be passive in order to ensure the bidirectionality of the return channel It will be exposed an installation scheme on which are used two modems ref 7689 in a configuration called Repeater which allows propagate and regenerate the data signal HEADEND Master Slaves Large number of users and outlets The existence of a large number of outlets generates an increasing of the interfering noise in the return channel This noise may appear in the outlets to a lesser degree and decisively at the headend because being a tree configuration the headend will add noise in each of the branches o Headend elements CATV networks are characterized by the existence of 12 headend elements with high output signal levels such as channel processors modulators etc The existence of these elements would cause that if they are poorly filtered can add noise in the return channel of the network thus affecting th
20. t fon Cia nfo vec OIE CBA Tel E MAD 0255155155168 DA AD E Wh DONE DEBE DOUE Ee Ds pd GROTON OREO A Ss a DOE ETCS OE PCI OS COTA EA E Cherk Deia E E AS network checking window 18 Televes QoS parametres configuration MACs Media Access Control limitation per Slave IGMP Internet Group Management Protocol configuration Yvy vV Y Detailed status link information i e SNR attenuation and tonemap list allowing to get an itemized view of the installation performance Firmware updating Report Link Status Transmission line quality 1024 QAM performance 256 QAM QAM Tone Map Freq MHz Source MAC 00 0E 7C 15 00 09 Destination MAC D0 0E 7C 15 01 34 Coded PHY Coded PHY Avg SNR 27 63 dB Avg Attenuation 43 00 dB line quality window aa napa belies Labs 10 oa ra A Ref 7699 Coax Manager Theviee lili O reina H S Habark Cavan Ti Diseamnect Configuration Heak ard Oe Advanced Parsrestors Uodate Fineewe About Banaieath Lanira pine maeb posi tasa Host Tr Read Priitp TTL 10iba ESSIE roca capo 2000 e zoo a o capa 30 me mo am F Treffi Clan Erabi Tos os TEE 1190 5 Enable BOT IF GOS o car EE L I 3 4 5 7 EEE a bad rath OTE AC 15 k advanced users QoS window SYSTEM MANAGEMENT Televes SNMP Simple Network Management Protocol with Web interface Allows the remote
21. ts coming from either the management system or the devices Internet modem is configured as networking mode the system sends an alarm to indicate that the modem 15 operating in a wrong way In the event that multiple masters have been installed on the network do not forget to ensure that the insulation between them in the return channel is greater than 80dB If necessary use the filters diplexers Ref 7654 between each coaxial networks In the event that multiple masters are installed be sure that the Switch that interconnects them must have activated the port isolation feature SYSTEM MANAGEMENT Televes SNMP Simple Network Management Protocol with Web interface ConxDATA Rel 7689 200Mbp HOTY SW Version 1 01 Fri Oct 1 09 57 05 2010 Access Control Web Interface MAC Address Link State Access State Master 00 0E 7C 15 02 00 ROOM 101 00 0E 7C 15 01 ED ROOM 102 00 0E 7C 15 01 3C ROOM 103 00 0E 7C 15 02 66 ROOM 105 00 0E 7C 15 02 4A ROOM 106 00 B0 52 00 00 17 Access Control Device Configuration Deletes on Access Control List Device MAC 00 05 70 1 ROOM 104 00 0E 7C 15 02 07 pe Enable vs Change configure access Enable so Change configure access Enable so Change configure access Enable v Change configure access Enable v Change configure access v Change configure access
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