User Manual - IRT Communications
Contents
1. ON ON Buimen leoug eves08 ON bumed 3308 Gs o3HO Ny NMVHG Jeueg Jojoeuuo eed v 1N3SNOO NILLIBIM LNOHLIM 0 b SINV aml azis Aluvd Q8IHL ANY OL 3SOTOSIO Y D YON AdOO LON OG L e IHDIYAJOD O 1 07 06 2007 TOYLNOD ATIVL O3GIA 81no YNI 8NI pwe NIVY N3dO YO vONIG ode IoAL Y ATV 310N3H ott SIOA L0 ATIVL 14901 e ak NIV Y O3GIA GND ASGNVLS 8 O3GIA AND SAS aze Wee V NIVW 035079 Pe1uo9 g 8 ABQNVIS Q3SO 19 PLOI L 1708 U00 UOWWOJ e noo fafo v90c VIIVWYLSNVY MSN NONUV LIV 2002 90 21 erg PIT Aid soiuo2e 3 LHI k suono voe SI N ddv DNA ON Bumen mE 8vz508 ON Pumed Two d3 03H0 NA NMVud Ajddns Jemod ev 1N3SNOO 3 N3LLIHM LNOHLIM S 04 v SWV emi IZIS ALUVI QUIHL ANY OL 3SOTOSIO Ke J L Y HON AdOO LON OG S LHOIYAdOD M Up als TOV pels SS ah va va vid po y als EOV Trou z DI T e d eld cov Lov 3nozv If 128 o ussz z Io scu ant OZE amp 0 E OF SZIEWT slo WOYS0184W7 uou any Jjnoor 9 9 co r cojo o l 9 e vn j2. R T Electronics Pty Ltd A B N 35 000 832 575 26 Hotham Parade ARTARMON N S W 2064 AUSTRALIA National Phone 02 94393744 Fax 02 9439 7439 International 61 2 9439 3744 61 2 9439 7439 Email sales irtelectronics com Web www irtelectronics com IRT Eurocard Type AMS 4370 4 Port Changeover Relay switcher for High Definition Digital Video SDI ASI G 703 or Analogue Video Designed and manufactured in Australia IRT can be found on the Internet at http www irtelectronics com 4370 ams ib rev3 doc Page 1 of 14 31 05 2008 IRT Eurocard AMS 4370 4 Port Changeover Relay switcher for High Definition Digital Video SDI ASI G 703 or Analogue Video Instruction Book Table of Contents Section Page Operational Safety 2 General Description 3 Technical Specifications 4 Pre Installation 5 Internal Adjustments 6 Configuration 6 Installation amp Operation 7 SMU 4000 Installation 8 Figure 1 SMU 4000 module 8 AMS 4370 SNMP Functions 9 Front amp rear panel connector diagrams 10 SNMP What Is It 11 Maintenance amp Storage 13 Warranty amp Service 13 Equipment return 13 Drawing Index 14 This instruction manual applies to units later than S N 0711001 Operational Safety WARNING Operation of electronic equipment involves the use of voltages and currents that may be dangerous to human life Note that under certain conditions dangerous potentials may exist in some circuits when power controls are in
3. etc The MIB tree is organised in such a way that there will be no two MIB files with conflicting placements Normally an NMS polls an agent for information relating to the MIB in a managed device to be sent back to the NMS When certain conditions are met within the MIB such as major alarm conditions for example the agent automatically sends what is known as a trap to the NMS without any prompting from the NMS This allows automatic notification of a predetermined event SNMP Block Diagram SNMP Agent NMP A Protocol Engine S gent IP SNMP Agent SNMP Agent Network Protocol Engine a SNMP Agent NMP A Protocol Engine gt 2 gent 4370 ams ib rev3 doc Page 11 of 14 31 05 2008 SNMP with IRT Products IRT Electronics currently employs SNMPv1 with its 4000 series frame The frame acts as an agent when fitted with a CDM 4000 module This module has its own designated slot next to the power supply so as to not affect the number of modules that the frame will take Communication between the NMS the frame and its loaded modules are via this CDM 4000 module Note that the NMS software is third party and not supplied by IRT Electronics Ethernet connection for SNMP operation is via an RJ45 connector on the rear of the frame below the mains inlet Ethernet rate runs at either 10 baseT or 100 baseT Frame parameters such as Name Address and Location are set via an RS232 interface a D9 connector on the rear of the frame below
4. Local Remote tally open drain for Remote setting Remote control mode With the front panel Local Remote switch set for remote control operation control of the AMS 4370 changeover relay is by momentary ground contact only via SK5 on the rear assembly Local control mode With the front panel Local Remote switch set for local control operation control of the AMS 4370 changeover relay is by front panel momentary Main Standby switch Remote switching via SKS is still possible even with the front panel Local Remote switch set to local Input termination No terminations are provided on the module so that the switcher can function in changeover mode For 2 x 1 switcher applications the following terminations should be installed Output A Main only is used and should be terminated at connected equipment Output B Standby should be terminated in 75 Ohms or 50 Ohms if being used for 50 Ohm RF signals using a BNC termination plug 4370 ams ib rev3 doc Page 6 of 14 31 05 2008 Installation amp Operation Installation in frame or chassis See details in separate manual for selected frame type See also Configuration section Signal connections Signal connections are made to BNC coaxial connectors No termination of inputs is provided on the module When switched to the output the input load impedance is that of the load connected to the output Where the input signal is required to be terminated and one of the outputs is not connec
5. alarm and monitoring systems The AMS 4370 relay card is built to the Eurocard format and is designed to fit IRT s Standard Eurocard frame as well as IRT s 4000 series frame for use with IRT s SNMP system and may be used alongside any other of IRT s analogue or digital Eurocards Standard features e Signal path suitable for HDSDI 1 485Gb s SDI analogue video ASI data streams and G703 signals 2 8 34 45 144 155Mb s Momentary Set Reset control No path change on power fail Local or remote control Front panel LED status indicators Optional plug in SNMP monitoring and switching module AMS 4370 Block diagram IN B OUT A Mode Status NOTE For HDSDI applications it is recommended that the AMS 4370 be used in either IRT s IRU or 4000 series 3RU frames only 4370 ams ib rev3 doc Page 3 of 14 31 05 2008 Signal path Signal types Switching characteristic Crosstalk between channels Frequency response Auxilliary Data Mode Data Tally Remote Control Mode Power requirement Connectors Video Video Tally Video Control Other Relay contact rating Power requirements Power consumption Temperature range Mechanical Finish Front panel Rear assembly Dimensions Supplied accessories Optional accessories Technical Specifications IRT Eurocard module Type AMS 4370 HDSDI SDI ASI G703 Video Magnetic latching 4 port changeover relay lt 50 dB to 300 MHz lt 30
6. gt 4 TY E or ZO NOWWOO AVIFY ATIV L O3GIA JO OG S13S r1 Q Law Asanvi1s lg NIV 9 OEM lab e ozul MOJI A A uaes6 T ze za La7 S4 T NN l s ho ho se AS ro ho ho ro m Yo99 H099 A T IZH 02H ZA ho eo nN ho L AS la ATIV L O3QIA onn eu ZS van m rap L DN ME TOUINOO 1383H E Pa wu NS ES 5 8 uea1 rs 2 om 4S 99 ho Dr Pa M su Yo99 T 62H ho Z1SS9 90 Er 21SS8 vd INM TOYLNOD 8 O3QIA ASQNVIS IHL ONISN ro ho 1OH1NOO O3QIA SNITSTONIS HOS ONIHOLVT DILINOVW 3 18VSIO OL EX ASOTD T T drez AVSD VOL o o ui E TOULNOO 138 b e icc z1SS8 l POSO o TERDUM en asya L po L 9isva banm sa lt 48 NW va p ki fw ale Eo on jw jw r1 2 ls YOLZ Lx Lb YOL 81no l s lag rly eld ls n E VNI adiz Fd LIZ99 l fe l fe z 4 oe 9ISV8 z L Ni Mi Di E L i 13S ASt ASt P td m e ezissa Fan f LI 13838 AS ST li Lot fal AS su 9 6 L 8 E 13S 1 zer n n s ME D a anol Ean Js Ano yos ps8bzS08 ye E z VE Lt y Y PI a o3qdIA 13S So T T y YO 8NI pare DWE Waco mon 9 WAO m v O3GIA 13938 gt XH ATW Olanv lt voan ATIVL O3QIA lt V O3GIAU DOUVWNIY lt 3N12Y001 lt Wou L Sm kak si ANS nu n uoos Zu 8H 61H o Je lo AS AS AS 902 VITYYLSNY MSN NOWHVLHV 2002 10 21 eFq DH Ald soiuoer3 LHI uoiMeH v 2 SUN ddv
7. the mains inlet A software terminal emulator such as Tera Term or HyperTerminal is used for setting and reading the parameters of the frame IRT modules that are SNMP compatible need a plug in SMU 4000 module with a program relevant to the module that it is plugged into Depending on the module besides the module identification parameters such as alarm states inputs and controls etc are communicated to the CDM 4000 agent via a data bus on the rear of the frame Thus the CDM 4000 collects information on what is loaded within the frame what positions they occupy and their current status for communication to the VMS when the NMS sends a request for information In the event of a major alarm from any of the SNMP compatible modules or power supplies a trap is automatically sent by the CDM 4000 agent to the NMS without any prompting by the NMS This alerts the operator to any fault conditions that may exist that need immediate attention O O A e FRU 4000 110 240 V 50 60 Hz FRAME 0 7 A max IRT RS232 Ethernet IRT SNMP Connections IRT modules fitted DM 4 with SMU 4000 BL ki mr IRT 4000 Series Frame Eth Ethernet Cable Meme Cable IRT modules fitted CDM 4000 with SMU 4000 PSU s IRT 4000 Series Frame Ethernet Cable IRT 4000 Series SNMP Setup 4370 ams ib rev3 doc Page 12 of 14 31 05 2008 Maintenance amp storage Maintenance No regular maint
8. 4370 main circuit schematic AMS 4370 Rear Connector Panel AMS 4370 Power Supply AMS 4370 SNMP interface Page 14 of 14 31 05 2008 v902 VITVYLSNV MSN NONUVLUV 1002 10 44 e1eg PH Ald 59140119919 LHI wosiney ZHOS L gb0E ei sso19 o9piA uq z a ZHN 072 O SpOS J1e SS019 0 P A 6v2S08 dOd re L evzcog oNBuweig 9 LN ddv ONS jeeus JIWS Qq3393H9 yos uzsgrzs08 JINON AV T3H NA Nada a H3AO 35NVHO 1HOd v META 8 oued 10 98Uuu0 Je9y ATIVL 14901 HOS 034INO38Y JOVLIOA dN TINd JI SA 380719 ET a com l e as esi 0Z v SIAV enu azis ALUVI QUIHL yos esgrzs08 E 116 ANY OL 3SO19SIQ Mi Liv Y HON AdOO LON OQ o rare ov T n z st iba iHomadoo Pov 99v ezissa Dou eye cov zio uonisod 440 10 13838 ul Umoys sKe od Avi gt FOov J Jeo zi e 000 oo l s i Aiddng Jemoq f Li L 3 Ze Ki L E 2n en sed gisya 6a Sen P o lo ad 08 LNO9 Olanv AN bn ks E
9. N the SET control SK5 1 behaves as a toggle mode Grounding this pin will set Input A Main to Output B and Input B Standby to Output A Removing this ground will automatically reset Input A Main to Output A and Input B Standby to Output B Toggle mode of operation will also work with TTL logic level controls Local Remote mode tally is made by pin 3 of SK5 The tally uses TTL logic to indicate local or remote setting The local setting is indicated by approximately OV LOW on pin 3 of SK5 whilst the remote setting with link LK5 IN is indicated by approximately 4 5V HIGH via a pull up resistor on the same pin or with link LK5 OUT remote setting is indicated by an open drain output of a FET transistor 4370 ams ib rev3 doc Page 7 of 14 31 05 2008 Front Panel controls On the front panel there are two switches The upper switch is a centre position momentary 2 way switch for selecting between the inputs A Main and B Standby In order for this switch to operate the lower switch which is a 2 way toggle switch must be set to the Local position With the lower switch set to the Remote position the upper Input Select switch does not operate With the Local Remote switch set to the Local position a red LED illuminates to give a visual warning indication that the unit is in local operation The AMS 4370 is intended to be controlled by momentary contact closures only If a remote control was to be a permanent ground as opposed to
10. a momentary ground then this control will hold control of the switcher Even if the switcher was to be set to the local position local control will not operate whilst this remote control has control With the switcher set to the Local control position it is still possible for a remote control to operate and over ride the local control setting Front panel LEDs give a visual indication of inputs selected VID MAIN Input A LED is a green LED and indicates that Input A Main is switched to Output A and Input B Standby is switched to Output B VID STANDBY Input B LED is a yellow LED and indicates that Input A Main is switched to Output B and Input B Standby is switched to Output A SMU 4000 Installation The SMU 4000 plug in SNMP management controller module can only be fitted to IRT s 4000 series modules that are capable of being SNMP upgradeable To determine whether a module is SNMP upgradeable a square section on the main PCB is silk screened and fitted with three multipin sockets as shown below 1J1 1 3 This is where the SMU 4000 plug in SNMP management controller module is fitted The three sets of multipins on the underside of the SMU 4000 line up with the three sets of multipin sockets on the main PCB module Align all pins and then gently press the SMU 4000 all the way down into place If the SMU 4000 is not already programmed with the correct firmware to match the module that it is being plugged into it then needs to b
11. aoje 819 AS v90c VIIWYLSNVY MSN NONUV LIV 2002 90 21 a1eQq pry Ald soruo29 3 LHI L uoisiheg vlov j SI N ddv 5N3 ON umea 1894S 8v2508 ONDUMPIQ vos aaxo3uo ooeJjo9 ut NA NAE wou ANNS ev 1NSSNOO 5 a N3LLIHM LNOHLIM 8 OLEr SIWY ont IZIS Aver GUIN ANY OL 3sO10SIa Ke J L Y HON AdOO LON OG o LHOIYAdOD ATIVL O3GIA G3LOATAS Wu 1f1dNIU ATIWWLOIONY gt G3103738 V INANI Odld c ald ooWSH 13103735 10HINOO 149078 edld v 3A19V901 INIOV TOULNOO TIVO TU c 8O3QIN Las 8 IMAN LO3 13S lt v O3QIA 13838 VINN ONIS lt g80lanv 103138 8 Olanv 193138 Xu gel XL N VEL 188708 A THIN3SSV 9SINPOW ANS Nd dNNS 000v nINS
12. bled when the module status changes A number that increases by one for every trap sent and Unit reset control 4370 ams ib rev3 doc Page 9 of 14 31 05 2008 Front amp rear panel connector diagrams The following front panel and rear assembly drawings are not to scale and are intended to show relative positions of connectors indicators and controls only Q AMS 4370 IRT LOCAL MAIN STANDBY vDe 5 STANDBY 4 4370 ams ib rev3 doc IRT O 4 PORT CHANGE OVER IN B p OUTA gt SK4 SK6 VIDEO TALLY AAA 12 3 4 CONTROL O Page 10 of 14 31 05 2008 SNMP What Is It SNMP stands for Simple Network Management Protocol It is an application layer protocol for managing IP Internet Protocol based systems SNMP enables system administrators to manage system performance and to find and solve system problems SNMP runs over UDP User Datagram Protocol which in turn runs over IP Three types of SNMP exist SNMP version 1 SNMPv1 SNMP version 2 SNMPv2 and SNMP version 3 SNMPv3 It is not the intention here to discuss the differences between various versions only to bring attention to the fact that IRT Electronics modules fitted with SNMP capability use SNMPv1 An SNMP managed network consists of three key components Network Management Systems NMS agents and managed devices An NMS is the console through which the network administrator performs network management function
13. dB to 1 5 GHz 0 0 5 dB 0 Hz to 750 MHz 0 1 5 dB 750 MHz to 1 5 GHz TTL level Local 0V LOW Remote 4 5V HIGH via pull up resistor or open drain link selectable Magnetic latching relay changeover contact set Common can be left open or linked to ground or 12V of the main board Momentary ground or TTL compatible circuit with 2k7 internal pull up resistors to 4 5V 1 5 mA sink to ground BNC 3 pin Phoenix pluggable screw block 4 pin Phoenix pluggable screw block 24 Vdc 1A 100 Vac 0 3 A 28 Vac CT 14 0 14 or 16 Vdc 1 VA 0 50 C ambient Suitable for mounting in IRT 19 rack chassis with input output and power connections on the rear panel Grey background silk screened black lettering amp red IRT logo Detachable silk screened PCB with direct mount connectors to Eurocard and external signals 6HPx3Ux220 mm IRT Eurocard Rear connector assembly with matching connectors for control input and tally mode outputs Instruction manual SMU 4000 SNMP plug in module for use with 4000 series frame fitted with SNMP Agent Due to our policy of continuing development these specifications are subject to change without notice 4370 ams ib rev3 doc Page 4 of 14 31 05 2008 Pre Installation Pre installation Handling This equipment may contain or be connected to static sensitive devices and proper static free handling precautions should be observed Where individual circuit cards ar
14. e programmed via the pins on the topside of the SMU 4000 Note that installation will generally be done by IRT Electronics at the time of ordering Note also that an SMU 4000 will only be functionally operational when the main module that it is plugged into is fitted into an IRT 4000 series frame fitted with a CDM 4000 SNMP agent and being interrogated by a suitable Network Management System Figure 1 SMU 4000 module 4370 ams ib rev3 doc Page 8 of 14 31 05 2008 AMS 4370 SNMP Functions With the AMS 4370 fitted with the optional plug in SMU 4000 SNMP module programmed with the firmware to suit and installed in an IRT 4000 series frame with SNMP capability the unit can be interrogated by an SNMP Network Management System NMS The following SNMP functions are capable of being monitored by an NMS An indication of the state of the magnetic latching relays InAoutA defines Input A connected to Output A and Input B connected to Output B inAoutB defines Input A connected to Output B and Input B connected to Output A An indication of the state of the front panel Remote Local Switch SNMP control is disabled and front panel control is enabled if this switch is in the Local position External control ie via the rear assembly is always in operation An indication if any external controls via the rear assembly or the front panel Set Reset switch are operated Whether Trap function is enabled Trap automatically sent if ena
15. e stored they should be placed in antistatic bags Proper antistatic procedures should be followed when inserting or removing cards from these bags Power AC mains supply Ensure that operating voltage of unit and local supply voltage match and that correct rating fuse is installed for local supply DC supply Ensure that the correct polarity is observed and that DC supply voltage is maintained within the operating range specified Earthing The earth path is dependent on the type of frame selected In every case particular care should be taken to ensure that the frame is connected to earth for safety reasons See frame manual for details Signal earth For safety reasons a connection is made between signal earth and chassis earth No attempt should be made to break this connection 4370 ams ib rev3 doc Page 5 of 14 31 05 2008 Internal Adjustments The AMS 4370 requires no internal adjustments for correct operation Configuration Link Settings LKI Not fitted Not used LK2 Hard wired pins 2 3 Not configurable LK3 IN External remote control acts in toggle non magnetic latch mode OUT External remote control acts in Set Reset magnetic latch mode LK4 1 2 Relay K3 Common SK6 1 on rear assembly set to 12Vdc via a 4R7 resistor 2 3 Relay K3 Common SK6 1 on rear assembly set to Ground OUT Relay K3 Common SK6 1 on rear assembly open floating LK5 IN Local Remote tally 4 5V via pull up resistor for Remote setting OUT
16. enance is required Care however should be taken to ensure that all connectors are kept clean and free from contamination of any kind This is especially important in fibre optic equipment where cleanliness of optical connections is critical to performance Storage If the equipment is not to be used for an extended period it is recommended the whole unit be placed in a sealed plastic bag to prevent dust contamination In areas of high humidity a suitably sized bag of silica gel should be included to deter corrosion Where individual circuit cards are stored they should be placed in antistatic bags Proper antistatic procedures should be followed when inserting or removing cards from these bags Warranty amp Service Equipment is covered by a limited warranty period of three years from date of first delivery unless contrary conditions apply under a particular contract of supply For situations when No Fault Found for repairs a minimum charge of 1 hour s labour at IRT s current labour charge rate will apply whether the equipment is within the warranty period or not Equipment warranty is limited to faults attributable to defects in original design or manufacture Warranty on components shall be extended by IRT only to the extent obtainable from the component supplier Equipment return Before arranging service ensure that the fault is in the unit to be serviced and not in associated equipment If possible confirm this by substitut
17. ion Before returning equipment contact should be made with IRT or your local agent to determine whether the equipment can be serviced in the field or should be returned for repair The equipment should be properly packed for return observing antistatic procedures The following information should accompany the unit to be returned A fault report should be included indicating the nature of the fault The operating conditions under which the fault initially occurred Any additional information which may be of assistance in fault location and remedy A contact name and telephone and fax numbers Details of payment method for items not covered by warranty Full return address For situations when No Fault Found for repairs a minimum charge of 1 hour s labour will apply whether the equipment is within the warranty period or not Contact IRT for current hourly rate FIN ms pa pos Please note that all freight charges are the responsibility of the customer The equipment should be returned to the agent who originally supplied the equipment or where this is not possible to IRT direct as follows Equipment Service IRT Electronics Pty Ltd 26 Hotham Parade ARTARMON N S W 2064 AUSTRALIA Phone 61294393744 Fax 6129439 7439 Email service Qirtelectronics com 4370 ams ib rev3 doc Page 13 of 14 31 05 2008 Drawing Sheet 4 805248 1 805248 2 805248 3 805248 4 4370 ams ib rev3 doc Drawing Index Description AMS
18. s such as monitoring status e g alarm states and remote controlling of a set of managed devices One or more NMSs must exist on any managed network Generally the NMS is a computer running third party SNMP control software There are a number of third party SNMP software applications currently available on the market An NMS polls or communicates with an agent An agent is a network management software module that resides in a managed device An agent has local knowledge of management information and translates that information into a form compatible with SNMP The agent therefore acts as an interface between the NMS and the managed devices The NMS sends a request message and control commands for the managed devices to the agent which in turn sends a response message containing information about the managed devices back to the NMS A managed device contains an SNMP agent and resides on a managed network Managed devices collect and store management information and make this information available to NMSs using SNMP Managed device agent variables are organised in a tree structure known as a Management Information Base MIB Within the MIB are parameters pertaining to the managed device An Object Identifier OID number within the MIB defines the managed device type This is a unique number specific to the model of managed device Other information relating to the device is also stored information such as alarm states controllable settings
19. ted to anything then this unconnected output should be terminated by an appropriate BNC terminator of the required impedance Control connections Switch status is made by a relay contact on SK6 connector Video Tally located on the rear assembly With pin 3 short circuited to pin 1 pins 1 and 2 open circuited module is in RESET position i e Input A Main to Output A and Input B Standby to Output B Likewise if pin 2 is short circuited to pin 1 pins 1 and 3 open circuited then module is in SET position i e Input A Main to Output B and Input B Standby to Output A Video Tally input connector SK6 pin configuration is as follows Pin Description Relay common contact connected to either 12Vdc via 4R7 resistor ground or open via link LK4 position see Configuration section 2 Relay SET contact I P B Standby selected 3 Relay RESET contact I P A Main selected Remote control connections are via SK5 connector located on the rear assembly Control input connector SK5 pin configuration is as follows Pin Description 1 SET control select Input B Standby to Output A 2 RESET control select Input A Main to Output A 3 Local Remote tally indication 4 Ground Connecting the appropriate control input momentarily to ground will cause the relays to operate and the output state to cross over as follows Control Input Output SET Gnd A Main o B B Standby 6 A RESET Gnd A Main o A B Standby 6 B With LK3 I
20. the OFF position Maintenance personnel should observe all safety regulations Do not make any adjustments inside equipment with power ON unless proper precautions are observed All internal adjustments should only be made by suitably qualified personnel All operational adjustments are available externally without the need for removing covers or use of extender cards 4370 ams ib rev3 doc Page 2 of 14 31 05 2008 General Description The AMS 4370 is a magnetic latching 4 port changeover switcher using enhanced performance relays which provide switching capabilities for high speed data signals up to 1 485 Gb s It is suitable for switching high definition video HDSDI ASI SDI G 703 data streams or analogue video signals The AMS 4370 is arranged as a changeover switch with two inputs and two outputs No terminations are provided on the board allowing the switcher to be used in a wide variety of applications and with signals of various types and impedances The magnetic latching characteristic of the high performance relays allows momentary control and also provides for no change of path during power loss Remote changeover is by a momentary ground connection The AMS 4370 is ideally suited to applications where a simple choice between two inputs or outputs is required and may be easily driven by detector circuits for automatic path selection Remote indication of tally and local remote status is provided for integration into central
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