DTM-3200 - User Manual
Contents
1. e bruts 19 4 2 1 Command protocol RS 232 R5 422 RS 485 Lia rentre e en Rex RER 19 4 2 2 Command protocol 20 4 3 Manageable Hee nee mee ene PIRE MEINEN 21 AA I ES NET ES 22 4 4 1 MORET T TT IT I TITRES 22 DTM 3200 OEM Ethernet TSoIP Converter User Manual IG 1 4 4 2 Device DrapeillBs uci od etia ox bu ex OR o ER EES NER RI RN ORA MER SER RUE 22 4 4 3 Overall configuration evocatus vun vidt v rita wea c e iU ra atr e V SN RO OR VR OR 23 4 44 Network ssiri issuer nl cx se etin al dao ee dol re ed n n ne de 23 4 4 5 Firmware updote ws cass ssasuus geras Er krEp uo Nyon tals tae 24 24 5 P receive setings ERES DAP DRE EE EEEE cen bb LM CR P ARETE E EE Eine 25 221 7 MODI SR MM MEME EN NI RR RUNE ENIM DUE 27 4 9 ASI Input 29 4 4 9 ASI output STINGS ET E EOS 29 4 5 Firmware UBOF OU ccena tart ater nro n waster ea AS eo seks a Sup oredr buta ndokeilNas 30 4 5 1 Firmware upgrade Phases 30 4 5 2 Firmware upload EXOIple suse cuiu ona Chen Rar Ue gu PAS UN e uu c UN RUE Uri eL UB UA NUS UN 31 4 5 3 Binary data To Ascii data function bn pea rano dg trai aao a dle 31 4 6 FON Mode2. 3200 TS over IP Converter Ickicc USER MANUAL October 2014 DTM 3200 OEM Ethernet TSoIP Converter User Manual IG 1 Table of Contents FEBS EUV A Mh pins dae ace uc dase fice ad dU RE RPM NEUE 4 Ne eee a oe PU 6 UM EE 6 6 7 E 7 DIM 3200 protocol handler iioi cg ue bx cans id ca ltd api cep E cde 7 1 6 Theory of operation cono nerd mene dM Em 8 1 6 1 IP to ASI converter Functional block ei eee temere mamans amer 8 1 6 2 ASI to IP converter mode Functional block diagram 9 US ME oT TT 9 References NIU DU DT D LUI ITEM 10 2 Getting scm ut deiude ic E EPOR 11 2 1 IpiPOHuelloliceciexei cae uA CI AE PEE EM PI RM EMI IM M TE 11 2 2 Configuration 1 Converting TSolP to AS rrr ts Ha b V 11 2 2 est Set Up m 11 2 2 2 Configuring the TSolP to ASI conversion iius eit Rab koe tae La de utr ta Ux Re 11 2 3 Configuration 2 Converting ASI to TSolP sss ciii Cobb ur PER HERE B ek e E COE raid er PAVO RE e REPRE 12 IE
3. c c 12 2 3 2 Configuring the ASI to TSolP cafiVverelFi aa cui aru id sh 12 3 Layout and Le 1910 RTT TETTE 13 Sar Physical U 13 3 2 Mechanical dimensions cues euren eu nM pa din aa pases iu ras eusa Dad AT Rasen qipAS MUS USA NUR Et 13 3 3 Order codes rper eti deg o id beat ox nadia diu dr ac nt oit dcin ad ta iori bei 14 3 4 CUE WC installation sss ere Eae Ra DAP UR a RAM ER E nt LEN e RA ME RIED RUE if 14 3 4 1 Mechanical installe serisinin imb URS PRU Rt DURAN OMM PAN ER 14 3 4 2 ASI GSP cessas tubules cul cb cdd blau 14 354 3 Parallel T5 idt 14 3 4 4 DIP SWIICHES o contienda iioii sre MM 15 3 4 5 Control connector UNE au 16 3 4 6 Ethernet connector ip 17 3 4 Power COMMBGION cite ue E DARE CUR CARA ERR ERE EUR CHER DE Ud roa Dus up Duker beu eie ER E 17 9 4 5 atrenm status LED ooo eee 18 3 4 9 DIMSP DO status DESDE eens tuus une esca chance eic nte exe rS NU Race SE Ma 18 4 Device Configuration and Lees cud tnc rad abes Rd dice k qc dta PL asxe dead AR 19 4 1 Control interfaces 19 4 2 Command potasio
4. DTM 3200 OEM Ethernet TSoIP Converter User Manual 1 1 3 ASI to TSoIP mode When configured as ASI to TSoIP converter the DTM 3200 accepts ASI or parallel input The ASI input is selected automatically when a signal is available otherwise the parallel input is used Key features include encapsulation of UDP or RTP controlled scheduling of IP packets to prevent IP jitter zero jitter playout and adding forward error correction FEC according to SMPTE 2022 1 1 200 Figure 3 The 3200 configured as ASI to IP converter DVB ASI DVB SPI 1 4 Control The unit can be managed and controlled through one of the available control interfaces C or RS 232 485 422 Settings applied through one of the control interfaces can be stored in non volatile memory if setting Volatile storage is 1 or in volatile memory if setting Volatile storage is O on the unit Settings stored in non volatile memory are automatically reloaded after a power cycle It is not possible to configure the device via the Ethernet interface There are three ways to control the DTM 3200 1 From a development PC using the serial RS 232 control interface This way of controlling can be used for pre configuring the DTM 3200 or for experimenting with the DTM 3200 2 Using a controller on board of the equipment that uses the DTM 3200 for I O conversion In this case 2 is a plausible choice but the other serial in
5. The command consists of the following parts Start character STX Two hexadecimal address characters 12 Two hexadecimal category characters 01 Two hexadecimal setting characters 05 A read character R Two hexadecimal checksum characters 85 End character ETX Figure 11 shows the two possible replies from the command in Figure 10 The replies are similar to the commands with the exception of the data characters or the read character On a successful command the reply data is set to the corresponding data 0x00000C80 When the received command cannot be executed the read character is set to the ASCII character E In both cases the checksum is also updated Reply successfull SX uma Gt ls E Reply unsuccessful MEERE iii i gt Giz cr Figure 11 Reply after a device type read command read command Figure 12 shows the communication sequence used to issue a read subnet mask command category 3 setting 2 no index An index is not required for this category and the returned data consists of an IP address Command S X Ux2 XU P Figure 12 Send subnet mask read command The command consists of the following bytes Address and 2 write bit 0x12 and 0 Category byte 0x03 Setting byte 0x02 Read byte 0x01 Checksum OxE8 see Table 2 The checksum is computed with the address and without the write bit DTM 3200 OEM Ethernet TSoIP Converter User Man
6. mode to enable recovery from an erroneous configuration In failsafe mode the unit has no ASI transcoding functionality and the user can only configure the IP address and load new firmware Failsafe mode is entered in the following cases e A firmware upgrade of the DTM 3200 has failed e The user selected the failsafe mode through configuration option application The normal operation mode can be selected again using configuration option application DTM 3200 OEM Ethernet TSoIP Converter User Manual 5 Specifications 5 1 Network connection Ick ET Ethernet encapsulation IP support IP address assignment Multicast support Network management IEEE 802 2 SNAP and Ethernet II IPv4 DHCP link local or static IGMP v2 Not supported Min Typ Max Unit Remarks Network Port Standard IEEE 802 3a Data rate 100 1000 auto detect Mbps Connector RJ 45 with LEDs Control 5 2 DVB ASI input output Min Typ Max Unit Remarks Standard DVB ASI EN50083 9 Ports Number of channels 1 1 75 Input or output Return loss 15 17 dB Error free cable length 300 m Transport stream bitrate 0 01 214 Mbps Packet size 188 204 bytes 5 3 Parallel port input output Min Typ Max Unit Remarks Interface port Connector Signals 26 way boxed header 2 54 mm pitch Clock Sync Valid 8 bit data Pinning compatible with DVB SPI 25 way sub D connector
7. 1 lt lt 1 bin data 0 amp Ox7F gt gt 0 gt gt 7 returnData 0x80 bin_data 2 amp Ox7F gt gt 2 lt lt 2 bin data 1 amp Ox7F gt gt 1 gt gt 6 returnData 0x80 bin_data 3 amp 0 7 gt gt 3 lt lt 3 bin_data 2 amp Ox7F gt gt 2 gt gt 5 returnData 0x80 bin_data 4 amp Ox7F gt gt 4 lt lt 4 bin_data 3 amp Ox7F gt gt 3 gt gt 4 returnData 0x80 bin data 5 amp Ox7F gt gt 5 lt lt 5 bin data 4 amp Ox7F gt gt 4 gt gt 3 returnData 0x80 bin_data 6 amp 0 7 gt gt 6 lt lt 6 bin data 5 amp Ox7F gt gt 5 gt gt 2 returnData 0x80 bin_data 6 amp Ox7F gt gt 6 gt gt 1 bytes_todo 7 bin_data 7 else returnData 0x80 bin_data 0 amp Ox7F gt gt 0 lt lt 0 while bytes todo gt 1 returnData 0x80 bin data i amp Ox7F gt gt i lt lt i bin data i 1 amp Ox7F gt gt i 1 gt gt 7 i 1 bytes_todo i returnData 0x80 bin_data i 1 amp Ox7F gt gt i 1 gt gt 7 i 1 final byte bytes_todo if len 8 7 gt O return len 8 7 1 return len 8 7 4 6 Failsafe mode The DTM 3200 supports a special failsafe
8. 12 D4 13 D3 14 D3 15 D2 16 D2 17 1 18 D1 19 DO 20 DO 21 DVALID 22 DVALID 23 PSYNC 24 PSYNC 25 GND 26 GND The pin assignment of the pin header has been chosen in such a way that a flatcable with a sub D male flatcable connector 25 way sub D ISO 2110 at the other end can be connected directly to the board 26 pin female header flatcable 25 pin male sub D 3 4 4 DIP switches The DIP switches permit configuration of IC device address RS 232 or RS 485 422 mode and the baud rate The state of the DIP switches is read at power up only Changing the DIP switch settings while power is on has no effect DTM 3200 OEM Ethernet TSoIP Converter User Manual 1 Please note that it is not required to select between I C and RS XXX The DTM 3200 will automatically use the interface on which it detects activity DIP switches for RS 232 485 422 For RS 232 or RS 485 422 the DIP switches have the following meaning Switch Description 1 Device address bit O LSB off 0 1 2 Device address bit 1 MSB off 0 on 1 3 RS 232 or RS 485 422 off RS 232 on RS 485 422 4 Baud rate off 9600 on 115200 The device address bits are used for RS 485 422 only The device address is Ox40 two LSBs as selected by the DIP switches This means that the device address range is between 0x40 and 0x43 DIP switche
9. Address 2 hex digits 8 bit address with the 6 MSBs fixed to 0x40 and the 2 LSBs configurable using DIP switches 1 and 2 Category 2 hex digits Selects a category of settings Setting 2 hex digits Selects a setting within the selected category Read Write ASCII character R for read and W for write R or AW Index 4 hex digits Optional Provides an extra index parameter e g to indicate the channel number Data n hex digits The data written or read The data length is variable for ASCII each setting In case of a write operation the data is a characters negative acknowledgement Checksum 2 hex digits This is the least significant byte of the two s complement sum of all characters in the message excluding the STX and ETX characters and the checksum itself End ASCII character ETX 0x03 Hex digits are the ASCII characters 0 9 and A F concatenated to form a single hexadecimal value 3 The DTM 3200 supports a single channel only so index is used as a channel number it s always Since firmware version 1 4 the firmware update setting uses ASCII characters 128 to 255 for sending the firmware data Invert all bits and add one DTM 3200 OEM Ethernet TSoIP Converter User Manual 1 Figure 6 below shows the structure of a command written through the serial interface If the command is a read command the data may be omitted If the category does not r
10. IP transmit 9 TP per IP 3 3 Transport Packets per IP pckt 6 0x82 IP transmit 10 Protocol 7 0x82 IP transmit 13 Time to Live 100 8 0x83 ASI par input 1 Packet Size 188 byte MPEG 2 packets 9 1 Enable 2 On DTM 3200 OEM Ethernet TSoIP Converter User Manual 3 Layout and Installation 3 1 Physical layout Ick icc DTM 3200 top view 1 2 25 1 2 3 3 4 1 9 ASI I O MCX 750 ASI input or output 2 Parallel TS 26 pin box Parallel Transport Stream input or output header Similar to DVB SPI but with fixed 27 MHz clock 2 54mm pitch _ instead of TS clock 3 Switches DIP Selection of baud rate and control interface RS 232 or RS 485 422 4 Control 12 pin header RS 232 DCE RS 485 422 and interface for 2 54mm pitch board control 5 Ethernet RJ 45 Ethernet port for TS over IP transmission or reception 6 Identifier Type and revision number Power Power and reset 8 Factory Factory program connector Not used in normal operation 9 Stream status Stream status LED 10 DTM 3200 status DTM 3200 Status LED 3 2 Mechanical dimensions See Appendix A DTM 3200 OEM Ethernet TSoIP Converter User Manual g 3 3 Order codes Order Code Picture Description DTM 3200 Model with standard pin headers Note The
11. ISO 2110 Fixed clock rate DTM 3200 OEM Ethernet TSoIP Converter User Manual Ick ET Min Typ Max Unit Remarks Port used as input Interface standard M LVDS Clock rate accepted 10 30 MHz Input impedance 90 132 Q Common mode voltage 0 625 1 875 IV Signal amplitude 100 2000 Bitrate 0 01 240 Mbps Port used as output Interface standard M LVDS Clock rate fixed 27 MHz Output impedance 100 Q Common mode voltage 1 6 V Signal amplitude 454 mV Bitrate 0 01 214 Mbps 5 4 Transport Stream input output over IP Min Typ Max Unit Remarks General TSoIP encapsulation Input to IP delay UDP or SMPTE 2022 2 1 ms IP to output delay 120 ms programmable IP input jitter tolerance 1 120 ms computed UDP TS packet size 188 or 204 bytes TS packets IP packet 1 7 No long UDP packets SMPTE 2022 2 Transport protocol RTP FEC SMPTE 2022 1 Packet size 188 or 204 bytes TS packets IP packet 1 7 FEC Size L 1 20 Size D 4 20 FEC Size LxD 4 100 Maximum delay depends on input bitrate and packets per IP packet 2 Maximum jitter tolerance depends on programmed IP to output delay and on FEC delay DTM 3200 OEM Ethernet TSoIP Converter User Manual 5 5 Serial control port IAM ET Min Typ Max Unit Remarks Interface port Connector Signals 12 way pin header 2 54 mm pitch TX RX RTS CTS Pin
12. 1 9 compatible with standard RS 232 DCE sub D connector Serial Format Interface standard Format Handshaking Speed RS 232 485 422 8 bit one stop bit no parity hardware flow control 9600 or 115200 LVTTL RS 232 is a hardware option baud selectable with DIP switch 5 6 lC control port Interface port Min Typ Max Unit Remarks Connector 12 way pin header Signals available on pin 2 54 mm pitch 11 12 of serial port control connector Signals SDA SCL Interface voltage 3 3 V Speed 400 kbit s Device address 0x40 Ox4F 5 7 Other specifications Min Typ Max Unit Remarks Power Power supply voltage 6 24 V Power consumption 5 W Environmental Hazardous substances RoHS compliant Flammability UL 94 HB Operational Temperature 0 gt 45 Mechanical Mounting hole diameter 2 7 mm 4 holes Dimensions W x H x D 80x55x14 mm max Weight 39 9 DTM 3200 OEM Ethernet TSoIP Converter User Manual 1 Appendix A Mechanical Dimensions 2 54 mm pitch 55mm 51mm 32 14mm N w 3 3 2 54 mm pitch 2 54 mm pitch un 15 88mm 76mm 80mm Hardware revision RO R1 and R2 e The diameter of the mounting holes is 2 7mm intended for M2 5 bolts e Maximum outer diameter of nut ring 7 0mm Hardware revision R3 e The diameter of the mounting holes is 3 2mm intended for bolts e Maximu
13. 10 or 100Mbps half duplex Off No signal The link activity LED flashes whenever an Ethernet packet is received or transmitted A standard Cat5E or higher patch cable can be used to connect the DTM 3200 to a network Either a straight through or cross over network cable can be used the type of cable will be automatically recognized auto MDIX operation The DTM 3200 will automatically select the link speed of the connected network 10 100 1000Mbps 3 4 7 Power connector The DTM 3200 must be powered from an external source with a voltage between 6V and 24V DC Power consumption is max 5W The pinning of the power connector is shown in the table below Pin Description 1 Positive power connection 2 Ground 3 Reset connection The board can be reset by connecting pin 3 to ground for at least 100ms The connector type is the Molex KK series 2 54 mm pitch DTM 3200 OEM Ethernet TSoIP Converter User Manual 1 3 4 8 Stream status LED This LED indicates the status of the ASI and parallel stream The following colors are used for status indication ASI output mode Short red green flashes No output generated on ASI and parallel outputs Red green Generating live output on ASI and parallel outputs Note When the Rate Estimation category 0x81 setting 0x16 is set to 3 bitrate estimation in the DTM 3200 is turned off and the stream status LED will always be Red
14. W V int16 DTM 3200 OEM Ethernet TSoIP Converter User Manual 1 Manageable Items Category 0x82 IP transmit Nr Variable Description Access Type 0x06 IP address Destination IP address for the TSoIP R W V IP addr packets 0x07 address status 0 Destination IP address has been RO int8 resolved to a MAC address 1 Failed to resolve destination IP address 0x08 UDP port 0 65535 Destination UDP port R W V int16 number 0x09 TP per IP 1 7 Number of transport packets to be R W V int8 generated per TSolP packet OxOA Protocol Protocol used for the TSoIP output R W V int8 1 OxOB Index Channel index always 1 for the RO int32 DTM 3200 because it supports a single channel only OxOC Input type Identifies the type of input interface RO int8 Always 1 ASI input for DTM 3200 OxOD Time to live 0 255 The generated IP packets will R W V int8 use this TTL Time To Live FEC columns FEC rows lt 100 This category requires an index to be sent with each command DTM 3200 OEM Ethernet TSoIP Converter User Manual 4 4 8 ASI input settings The ASI input settings are available only if the DTM 3200 is configured as ASI to IP converter Ick ET Manageable Items Category 0x83 ASI input settings Nr Variable Description Access Type 0x01 Packet size Ge
15. firmware update process e Firmware update speed has been improved compressed programming files are now supported and ASCII encoding has been altered e MPEG null packets PID 8191 are now ignored when scanning for PCRs to prevent incorrect detection of PCRs resulting in lock errors 2010 03 31 Initial release to the field DTM 3200 OEM Ethernet TSoIP Converter TA User Manual 1 Introduction 1 1 General description The DTM 3200 is a compact OEM module to convert ASI to or from a Transport Stream over IP TS over IP or TSoIP Next to the serial ASI interface the unit supports a parallel interface The direction of the conversion TSoIP to ASI or ASI to TSolP can be configured programmatically through the control interface The DTM 3200 is available in two models and a development kit see also 83 3 e DTM 3200 with standard pin headers power connector is right angle type e DTM 3200 RA with right angle pin headers e DTM 3200 DEVKIT DTM 3200 with power supply and cables 1 2 TSoIP to ASI mode When configured as TSolP to ASI converter the unit accepts unicast and multicast streams over its Gigabit Ethernet port Key features include de encapsulation of UDP or RTP IP jitter removal and error correction according to SMPTE 2022 1 The resulting stream is transmitted simultaneously on the ASI output connector and the parallel pin header Figure 2 The DTM 3200 configured as IP to ASI converter gt
16. photo shows a power connector with straight pins but on current production a right angle power connector is used like on DTM 3200 RA DTM 3200 RA Model with right angle pin headers DTM 3200 DEVKIT The DTM 3200 development kit contains the following items e DTM 3200 placed on four plastic studs e DTM 3200 USB INTERFACE board e 10V 1 2A power supply e USB cable type A to mini B e MCX to BNC cable assembly with a length of 130 mm 3 4 Hardware installation 3 4 1 Mechanical installation The unit can be mounted onto a support plate by means of four 2 5 mm bolts and appropriate spacers Ensure that there is sufficient airflow to provide cooling of the board 3 4 2 ASI connector The ASI connector 1 is an MCX connector with an impedance of 75 ohm 3 4 3 Parallel TS connector The pinning of the parallel Transport Stream connector 2 is displayed in the table below The signal levels and pin numbering the same as DVB SPI Warning Although the pinning is the same the parallel interface is not compatible with DVB SPI because the clock of the DTM 3200 s parallel interface is fixed to 27MHz in DVB SPI the clock is the TS rate in byte sec Pin Signal Pin Signal 1 DCLK 2 DCLK 3 GND 4 GND 5 D7 6 D7 7 8 D6 DTM 3200 OEM Ethernet TSoIP Converter User Manual IG 1 9 D5 10 D5 11 D4
17. your DTM 3200 is v2 0 or higher If the current firmware version is older than v2 0 please first upgrade the unit to v2 0 Changes e Firmware update v2 3 adds an item to the ASI input settings category this allows one to force the module to use a specific input port The default which can be chosen as well is to auto detect which input has a signal Bug fixes e IGMP multicast issue seen after 49 days e Possible failure to sync to ASI input stream e Several other small improvements and bug fixes 2 2 2013 07 11 Important notice for upgrading to firmware version v2 2 e Firmware update v2 2 contains both application and failsafe firmware Any interruption of the upgrade process may result in an unusable DTM 3200 module e An upgrade to firmware version 2 2 is only possible if the firmware version of your DTM 3200 is v2 0 or v2 1 If the current firmware version is older than v2 0 please first upgrade the unit to v2 0 Bug fixes e Fix for failsafe firmware not starting correctly in specific cases 2 1 2012 10 12 Important notice for upgrading to firmware version v2 1 An upgrade to firmware version 2 1 is only possible if the firmware version of your DTM 3200 is v2 0 If the current firmware version is older than v2 0 please first upgrade the unit to v2 0 Bug fixes e Ignore a reboot command while the device is rebooting e Stability fixes in the rate estimation algorithm 2 0 2012 03 28 Important notice for upgrading to firmwa
18. 4 Reply 80 09 00 W 0000 100 0x64 File part 80 02 00 0001 bytes O 149 Reply 80 02 00 W 0001 1 0x0001 File part 80 02 00 0002 bytes 150 299 Reply 80 02 00 W 0002 2 0x0002 File part 80 02 00 0003 File bytes 300 449 Reply 80 02 00 W 0003 0x0003 File part 80 02 00 0004 File bytes 450 599 Reply 80 02 00 0004 4 0x0004 File part 00 File bytes 600 749 Reply 00 5 0x0005 File part 00 File bytes 750 899 Reply 00 W 6 0x0006 File part 00 File bytes 900 999 Reply 00 7 0x0007 Update device 00 1 Reply 00 Progress 01 R Update Reply 01 R 50 0x00 at 096 Progress 01 R Update Reply 01 R 50 0x32 at 5096 Progress 01 R Update Reply 01 R 100 0x64 at 10096 Error 01 R Update Reply 0 00 successful 4 5 3 Binary data to Ascii data function To convert the program data File bytes to ASCII the following function could be used unsigned int BinToAsc128 unsigned char bin data unsigned int len char returnData unsigned int bytes todo i bytes todo len while bytes todo gt 0 DTM 3200 OEM Ethernet TSoIP Converter User Manual 1 if bytes todo gt 7 1 returnData 0x80 bin data 0 amp Ox7F gt gt 0 lt lt 0 returnData 0x80 bin data 1 amp Ox7F gt gt
19. C Reconstructor uses the FEC streams if available to reconstruct missing packets if any In the next step the data is stored in SDRAM Jitter on the IP input stream may cause late arrival of some IP packets The memory is used as a buffer to de jitter the stream The size of the de jitter buffer can be set via the control interface The IP stream is then converted to a Transport Stream TS with the correct bitrate The resulting stream is transmitted as an ASI and as a parallel stream at the same time The TS contents are not affected by the DTM 3200 DTM 3200 OEM Ethernet TSoIP Converter User Manual 1 1 6 2 ASI to IP converter mode Functional block diagram Figure 5 shows the functional block diagram of the DTM 3200 when it is configured as ASI to IP converter RS232 or RS485 or RS422 DVB SPI Receiver IP DVB ASI Figure 5 Functional block diagram of the DTM 3200 when configured as ASI to IP converter The incoming stream is received either through the serial or the parallel input Only one stream can be received at a time If the Deserializer detects a valid input stream the Input Selector selects the DVB ASI input otherwise the Input Selector selects the parallel input The TS Receive Channel synchronizes to the stream and determines the packet size 188 or 204 bytes If the DTM 3200 is configured to gener
20. IMAGO DETUR ERI I MI aetna ee 32 oS 33 5 1 Network connection PESE A 33 5 2 DVB ASl inpul oupul k e RUM UM E ara ane Ent 33 5 3 Parallel port input output 33 5 4 Transport Stream input output over IP pod rtr dodo et dio od ieee eee 34 5 5 Serdal conirol BOE ouis UD AU URN Y sur 35 E E nine 35 5 7 Other specifications EFVVARERRR tans AM PRIOR ATP 35 Appendix A Mechanical 36 Appendix B DTM 3200 Development Kit 37 Appendix C Command Line Tool 39 Appendix D Communication 41 Copyright 2010 2014 by DekTec Digital Video B V DekTec Digital Video B V reserves the right to change products or specifications without notice Information furnished in this document is believed to be accurate and reliable but DekTec assumes no responsibility for any errors that may appear in this material 3 DTM 3200 OEM Ethernet TSoIP Converter User Manual IC 1 Firmware Revision History veson De Senge SO 2 3 2014 10 07 Important notice for upgrading to firmware version v2 3 e An upgrade to firmware version 2 3 is only possible if the firmware version of
21. When a fixed IP address has never been entered before writing to DHCP enabled will cause the DTM 3200 to use a hardcoded factory default address 192 168 144 120 255 255 255 0 as its fixed IP address after a reboot Naturally this default IP address selected by writing O to DHCP enabled can be overridden by entering an IP address manually The DTM 3200 must be rebooted before a new IP address assignment takes effect Rebooting the device is initiated by writing 1 to the Reboot setting or by a power cycle 4 4 5 Firmware update To upgrade the DTM 3200 the new firmware has to be uploaded in file parts The firmware update settings are used to upload the firmware file and control the programming process Manageable Items Category 0x80 Firmware update Nr Variable Description Access Type 0x01 Part number Sequence number of most recently RO int16 uploaded file part 0x02 File part Data in file part return message R W 1 1024 contains the file part sequence number bytes 0x03 Update device 1 Start device update and reboot WO int8 0x04 Abort 1 Remove uploaded file WO int8 OxO5 Progress Programming progress 96 RO int8 0x06 Error Error code 0 no error 1 error RO int8 6x07 Number of pats ees to upload the entire R W int16 0x08 Part size Number of bytes per file part R W int16 0x09 Remaining Number of bytes in the final file part R W int16 This categor
22. ate FEC packets the FEC Generator will create row and column FEC data The IP Embedder embeds the TS packets in IP packets Finally the PHY transmits the IP packets through the Ethernet interface 1 7 List of abbreviations ASI Asynchronous Serial Interface Shorthand for DVB ASI auto MDIX Automatic medium dependent interface crossover Technique to automatically detect the type of network cable straight through or crossover DHCP Dynamic Host Configuration Protocol Network protocol to automatically assign an IP address to a network port from a server DVB Digital Video Broadcasting FEC Forward Error Correction IP Internet Protocol MAC Media Access Controller Mbps Megabit per second NA Not Applicable NC Not Connected PCR Program Clock Reference R W Read Write RO Read Only DTM 3200 OEM Ethernet TSoIP Converter TA User Manual RTP Real time Transport Protocol SPI Synchronous Parallel Interface Shorthand for DVB SPI TSoIP Transport Stream over IP UDP User Datagram Protocol WO Write Only 1 8 References 1 SMPTE 2022 1 Forward Error Correction for Real Time Video Audio Transport Over IP Networks 2 SMPTE 2022 2 Unidirectional Transport of Constant Bit Rate MPEG 2 Transport Streams on IP Networks DTM 3200 OEM Ethernet TSoIP Converter User Manual 1 2 Getting Started 2 1 Introduction This section provides a walkthrough for getting started with the DTM 3200 Two set ups are describ
23. e of a DTM 32xx device To use the command line tool under Windows open a DOS box in a directory containing the DtmCmd executable Each time DtmCmd is run a single command specified with the command line arguments is executed on the DTM 3200 See DtmCmd for help the available commands You can specify the interface type serial l C interface settings and DTM address on the command line The configuration settings are stored in file DtmCmd ini Every time DtmCmd starts it first reads DtmCmd ini so that you don t need to specify the configuration settings every run of DtmCmd C 2 Reading a setting from the DTM 3200 The following command reads device property Type category 1 setting 5 DtmCmd interface Serial serial COM3 baudrate 9600 addr 0x40 y 1 5 The following shortcut is equivalent once the configuration settings are available in DtmCmd ini DtmCmd r 1 5 The parameters used in this command have the following meanings e interface Serial gt Set the interface type to a serial COM port The 1 interface is also supported by DtmCmd e serial COM3 gt Setthe serial COM port identifier to COM port e baudrate 9600 gt Setthe baud rate to 9600bd e addr 0x40 gt Setthe address of the DTM 3200 to 0x40 e r gt Setthe command type to read e 1 5 gt Specify command category 1 and setting 5 This command results into the following output DtmCmd DTM 32xx Command Util
24. ed one for receiving a Transport Stream over IP TSoIP and converting it to ASI and one the other way around receiving ASI and converting it to TSoIP The description below assumes that the DTM 3200 development kit see Appendix B is used to control the DTM 3200 over USB from a development PC The GUI tool Dtm3200Util is used to apply settings and observe status 2 2 Configuration 1 Converting TSoIP to ASI This set up will receive a TSoIP stream and transmit the stream on the ASI interface 2 2 1 Test set up For testing this configuration a TSoIP transmitter should be present on the network to generate a TSoIP test signal To observe the output of the DTM 3200 an ASI receiver is helpful This tutorial assumes that the network dynamically assigns IP addresses through DHCP and that the source generates TSolP stream with the following parameters Protocol UDP Destination address 224 1 1 1 UDP Port 5678 2 2 2 Configuring the TSoIP to ASI conversion Using Dtm3200Util configure the DTM 3200 as shown in the table below The receive process is first disabled before changing configuration parameters When all parameters have been set the DTM 3200 is enabled again Category Setting Value 1 0x81 IP receive 2 Enable 0 Off 2 0x81 IP receive 1 Addressing method 1 Multicast 3 0x81 IP receive 4 FEC enable 0 Off 4 0x81 IP receive 10 UDP port 5678 5 0x81 IP receive 11 IP to Ou
25. equire an index the index must be omitted Serial data XLSIX X Address X Category X Setting X RW X Index X Data W X BCC EX YX Figure 6 Command on an RS XXX serial control interface All commands successfully sent to the DTM 3200 are answered with a copy of the command including the data bytes When an incorrect checksum is detected the DTM 3200 will not return an answer When protocol errors are detected e g a combination of a valid category with an invalid setting the R W byte of the reply is replaced with the ASCII character E and the data is removed from the message 4 2 2 Command protocol on I C Field Format Description Start S Standard l C start condition Address address byte 7 bit IC address followed by the 1 R W bit which is set to O and 1 in the command and response sequence respectively Category 1 byte Selects a category of settings Setting 1 byte Selects a setting within the selected category Read Write 1 byte 0x01 for read and 0x00 for write Index 2 bytes Optional Provides an extra index parameter e g to indicate the channel number Data n bytes The data written or read The data length is variable for each setting In case of a write operation the actual data is returned as a negative acknowledgement Checksum 1 byte This is the least significant byte of the two s complement of the sum of the 7 bit 12C slave address and all data bytes in t
26. g ss Network adapters Portable Devices F Ports COM amp LPT 9 USB Serial Port Processors a Sound video and game controllers JE System devices Q Universal Serial Bus controllers In this case the COM port number is COMA B 2 4 Debugger Dtm3200Util is a GUI tool to view status control settings and upload firmware to the DTM 3200 The Dtm3200Util debugger tool can be found on the DekTec USB flash drive It can also be downloaded from the DekTec website Dtm3200Util is an executable that can be run from any directory on your PC When started the debugger enumerates serial ports and lets the user select the serial port to which the DTM 3200 is connected When a valid serial port is selected all registers are read from the DTM 3200 and shown in the GUI Blue fields can be edited and written to the DTM 3200 by clicking the pen symbol to the right of the edit fields Yellow fields are read only they are read when the refresh arrow is clicked DTM 3200 OEM Ethernet TSoIP Converter User Manual 1 Appendix C Command Line Tool DtmCmd C 1 General description of DtmCmd DtmCmd is a cross platform Windows amp Linux command line tool for simple control of DTM 32xx devices The user can read and write device settings e g the command DtmCmd r 1 5 reads and prints the value of setting 5 in settings category 1 The most advanced capability of DtmCmd is upgrading the firmwar
27. gory 0x81 IP receive Nr Variable Description Access Type 0x01 Addressing Unicast R W V int8 method 1 Any source multicast 0x02 Enable Disable IP to ASI conversion R W V int8 1 Enable IP to ASI conversion OxO3 FEC delay FEC delay in milliseconds RO int32 0x04 FEC enable Disable FEC decoding R W V int8 1 Enable FEC decoding 0x05 FEC columns 0 20 FEC columns RO int16 0x06 FEC rows 0 20 FEC rows RO int16 0 07 1 jitter tolerance 1 120ms The time in ms that the RO int32 DTM 3200 waits to receive late IP packets 0x08 IP lost after FEC Number of packets lost after FEC RO int 4 reconstruction 0x09 lost before FEC Number of packets lost before FEC RO int 4 reconstruction DTM 3200 OEM Ethernet TSoIP Converter User Manual Ick ET Manageable Items Category 0x81 IP receive Variable Description Access Type OxOA UDP port 1 65535 UDP port number at which the DTM 3200 listens for the incoming TS R W V int16 OxOB IP to output delay 1 9942ms Delay ms from IP input to ASI output in milliseconds R W V int16 OxOC Multicast address When Addressing method is 1 this is the multicast address at which the DTM 3200 listens for the incoming TS R W V IP addr OxOD TP per IP Number of transport packets per IP packet RO int8 OxOE Status Current operational status Channel is e
28. green ASI input mode Short green flashes No carrier detected on ASI or parallel input Long green flashes Carrier detected but no data on ASI or parallel input Green Valid signal detected on ASI or parallel input Red Erroneous signal detected on ASI or parallel input 3 4 9 DTM 3200 status LED This LED indicates the current status of the DTM 3200 The following colors are used for status indication Red Running in failsafe mode Red green Booting Green Running in operational mode DTM 3200 OEM Ethernet TSoIP Converter User Manual g 4 Device Configuration and Monitoring 4 1 Control interfaces The DTM 3200 can be configured and monitored using C RS 232 DCE RS 485 or RS 422 DIP switch 3 selects between RS 232 and RS 422 or RS 485 It is not required to select between I C and RS XXX The DTM 3200 will automatically use the interface on which it detects activity All control interfaces use the same command and response protocol that is described below 4 2 Command protocol Commands and responses are wrapped into a frame structure that contains address category setting read write index optional and data optional The DTM 3200 accepts uppercase and lowercase characters but will always respond in uppercase 4 2 1 Command protocol on RS 232 RS 422 RS 485 Field Format Description Start ASCII character ASCII start of text character STX 0x02
29. guration Overall configuration No 0x03 Network Network settings No 0x80 Firmware update Firmware update Yes 0x81 receive IP receive settings Yes Ox82 IP transmit IP transmit settings Yes 0x83 ASI par input ASI parallel input settings Yes 0x84 ASI par output ASI parallel output settings Yes 4 4 1 Data types Manageable Items Data types Type Description RS 232 RS 485 RS 422 int8 8 bit unsigned integer 2 hex digits 1 byte int16 16 bit unsigned integer 4 hex digits 2 bytes int32 32 bit unsigned integer 8 hex digits 4 bytes int 4 64 bit unsigned integer 16 hex digits 8 bytes IP addr IP address 8 hex digits 4 bytes string String of ASCII characters Variable string All data types are sent with the most significant byte first 4 4 2 Device properties Manageable Items Category 0x01 Device properties Nr Variable Description Access Type 0x01 FPGA version Version number of the FPGA code on RO ini8 board of the DTM 3200 0x02 Hardware version Hardware version number RO int8 0x03 Firmware version Firmware version the major version is RO encoded in the tens the minor version int32 in the units e g 10 indicates v1 0 0x04 Serial number Unique serial number for this device RO int32 e g 3200 000 027 0x05 Device type number e g 3200 RO int32 DTM 3200 OEM Ethernet TSoIP Converter User Manual 1 4 4 3 Overall configuration The configuration settings are used to s
30. he I2C message excluding the checksum The I2C R W bit is not included an incorrect value of this bit would cause the checksum to be not received at all End P Standard 1 stop condition A repeated start condition can be used at all times to concatenate multiple 1 read write actions The DTM 3200 supports a single channel only Whenever index is used as a channel number it shall will be set to O DTM 3200 OEM Ethernet TSoIP Converter User Manual IG g 2 S X Address X l gt I2C continued e a Optional Figure 7 below shows the sequence to send a command over l C to the DTM 3200 If the command is a read command the data may be omitted If the category does not require an index the index must be omitted 2 S X Address X U gt 2C continued X Index MSB Index LSB x Data K P gt Optional qx qey _ 2 S X Address 1 gt CA 2 continued gt Figure 7 Command upper sequence and response lower sequence for IC When an incorrect checksum is detected the DTM 3200 will not return an answer When protocol errors are detected e g a combination of a valid category with an invalid setting the R W byte of the reply is replaced by the ASCII character E and the data is removed from the message When a master starts writing to a device while the previous command is still being executed this de
31. ically after completing a firmware update After the device has been updated and rebooted the controller may check the status of the device firmware using a combination of the following settings e Check the application Category configuration settings setting application indicates whether the device is in normal operation mode or in failsafe mode If the device was in normal operation mode and reboots in failsafe mode the current application firmware is corrupt See section 4 5 3 for more information about failsafe mode e Check the package version Category device settings setting package version shows the version number of the current package DTM 3200 OEM Ethernet TSoIP Converter User Manual 1 4 5 2 Firmware upload Example If a file consisting of 1000 bytes must be sent in packets of 150 data bytes there are going to be 7 parts The first six parts are 150 bytes long and the last part consists of 100 bytes The table below shows the content of the communication messages Each line represents a message and the lines are shown in chronological order Category Setting Read write hex RS XXX Description Abort 80 04 00 0000 1 0x01 Reply 80 04 00 0000 1 0x01 Number of parts 80 07 00 Ww 0000 7 0x07 Reply 80 07 00 W 0000 7 0x07 Part size 80 08 00 0000 150 0x96 Reply 80 08 00 W 0000 150 0x96 Remaining 80 09 00 0000 100 0x6
32. ity v1 0 1 c 2013 DekTec Digital Video B V Category 0x01 Device properties Setting 0x05 Type Index 0x00 Interface Serial DTM address 0x40 Serial path COM3 Serial baud 9600 Data read 3200 DTM 3200 OEM Ethernet TSoIP Converter TA User Manual C 3 Writing to the DTM 3200 To demonstrate the writing of a setting we write 0 1234 to the setting Number of parts setting 7 of category Update firmware category 0x80 This category requires an index to be sent to the DTM 3200 The index is added with the i argument The command below assumes that configuration settings are available in DtmCmd ini DtmCmd i 0 w 0x80 7 0x1234 The parameters used in this command have the following meaning e i 0 gt Setthe index to e w gt Set the command type to write e 0x80 7 0x1234 gt Specify command category 0x80 setting 7 and data 0x1234 This command results into the following output DtmCmd DTM 32xx Command Utility v1 0 1 c 2013 DekTec Digital Video B Category Setting Index Interface DTM address Serial Serial path baud Data written 0x80 Firmware update type 1 DTM 3200 0x07 Number of parts 0x00 Serial 0x40 COM3 9600 4660 DTM 3200 OEM Ethernet TSoIP Converter User Manual 1 Appendix D Communication Example In the examples below grey areas in the timing diagram
33. m outer diameter of nut ring 7 0mm Warning While mounting the DTM 3200 care should be taken not to damage components that are close to the mounting holes both on the top and bottom side of the board DTM 3200 OEM Ethernet TSoIP Converter User Manual g Appendix B DTM 3200 Development Kit B 1 DTM 3200 development kit Contents The DTM 3200 development kit contains the following items DTM 3200 placed on four plastic studs DTM 3301 USB interface board 10V 1 2A power supply USB cable type A to mini B MCX to BNC cable assembly length 130mm DekTec USB flash drive containing DTM 3200 documentation and development tools as well as documentation on DekTec s other products The development kit can be ordered from DekTec using type number DTM 3200 DEVKIT B 2 Using the DTM 3200 development kit B 2 1 DIP switch setting Before using the DTM 3200 it is essential to set the DIP switches on the DTM 3200 PCB into the right position The required settings of the DIP switches are shown in the table below For a description of the purpose of the individual DIP switches refer to 83 4 4 DIP switch Setting Description 1 2 off off Sets DTM 3200 address to 0x40 d off Selects RS 232 communication for control 4 on Selects a baud rate of 115 2kBd These DIP switch settings become active only after a system reboot B 2 2 Hardware installation The DTM 3301 USB interface board has to be plugged on
34. mware upgrade 4 5 1 Firmware upgrade Phases Updating the firmware of the device consists of three phases 1 Uploading the file The file has to be uploaded in parts one part at a time This involves the following steps a Abort previous file upload if any This remove a previous uploads and gets the DTM 3200 into a default state b Set Number of parts Write the number of parts of the file to upload C Set Part size Write the size of each part in number of bytes d Set Remaining Write the size of the last part this is the size of the remainder of the file after all full parts have been uploaded e Upload file parts Check the index number of the last uploaded part and send the next part 2 The actual flashing of the device firmware as follows a Start the device update The uploaded file is read from RAM and programmed in the flash memory of the DTM 3200 b Optional Get progress Read the progress of programming the flash as a percentage optional c Check for update errors category 0x80 setting 0x06 error 1 error Warning Do not power off the device while flash programming is in progress 3 When flashing the firmware is complete the DTM 3200 should be rebooted to make the upgrade effective A reboot of the device is initiated by writing 1 to the Reboot setting category 0x03 setting 0x05 or by a power cycle Note In package versions up to v1 3 the DTM 3200 is rebooted automat
35. nabled no errors detected 1 Channel has been disabled 2 Channel is enabled but there is a problem with the processing of the received IP stream RO int8 OxOF 0x10 Protocol Index Protocol used by the incoming IP stream 0 UDP 1 RTP Channel index always 1 for the DTM 3200 because it supports a single channel only RO RO int8 int32 0x11 Output type Identifies the type of output interface 1 ASI output 2 parallel output RO int8 0x12 Packet size 188 bytes 1 204 bytes RO int8 0x13 Bitrate Estimated bitrate in bps 188 of the incoming TS RO int32 0x14 PCR present No PCRs in incoming TS 1 PCRs found in incoming TS RO int8 0x15 Rate change counter Counter that keeps the number of bitrate changes detected on this channel During normal operation this counter should remain constant RO int32 DTM 3200 OEM Ethernet TSoIP Converter User Manual Ick icc Manageable Items Category 0x81 IP receive Variable Description Access Type Ox16 Rate estimation mode Bitrate is estimated using PCRs if possible otherwise the bitrate is estimated without PCRs 1 Bitrate estimation is disabled Packets are buffered and transmitted with a fixed delay 2 Bitrate is estimated without the use of PCRs 3 Bitrate estimation is disabled Packets a
36. nerate IP packets with 188 byte R W V int8 transport packets 1 Generate IP packets with 204 byte transport packets 2 Use size of incoming packets 0x02 Physical port Physical port number of ASI input RO int8 always 1 for the DTM 3200 OxO3 Status Valid ASI signal is received RO int8 1 No carrier detected 2 Failed to lock to ASI input 3 Input rate is below minimum supported rate 0x04 ITS rate Transport stream rate in bps 2188 of RO int32 the received ASI stream 0x05 Valid count Number of received bytes RO int64 0x06 Violation count Number of ASI code violation detected RO int64 0x07 Input select Autoselect default R W int8 Select SPI input 2 Select ASI input This category requires an index to be sent with each command 4 4 9 ASI output settings The ASI output settings are available only if the DTM 3200 is configured as IP to ASI converter Manageable Items Category 0x84 ASI output settings Nr Variable Description Access Type hex 1 ASI packet size Generate 188 byte packets R W V int8 1 Generate 204 byte packets 2 Use size of received packets 2 Physical port Physical port number of ASI output RO int8 always 1 for the DTM 3200 3 TS rate TS rate in bps 2188 of the generated RO int32 ASI stream This category requires an index to be sent with each command DTM 3200 OEM Ethernet TSoIP Converter User Manual IG 1 4 5 Fir
37. ort Stream and outputs it as ASI and parallel or vice versa e A processor subsystem that handles all internal and external control 2 RS232 485 422 The DTM 3200 is operating either as IP to ASI converter or as ASI to IP converter 1 6 1 IP to ASI converter Functional block diagram Figure 4 shows the functional block diagram of the DTM 3200 when it is configured as IP to ASI converter RS232 or RS485 or RS422 ee lod lod lt o cc ic icc ic icc E E S E E E E z z z 2 2 z o o DVB SPI IP Transmit c E MAC p IP Receiver 2 S a DVB ASI Figure 4 Functional block diagram of the DTM 3200 when configured as IP to ASI converter The incoming Ethernet packets are received by the physical layer interface PHY The Ethernet interface checks the packets for corruption and correctness and sends them to the IP filter that selects the desired stream Other IP packets are sent to the processor subsystem in order to support low level IP protocols like ARP and DHCP From the IP Filter the transport stream data enters the stream characteristics extractor This block will analyze the stream for specific characteristics like PCR information With these characteristics the DTM 3200 determines the bitrate for transmitting the stream at the output The FE
38. re routed to the ASI port immediately R W V int8 Ox17 Jitter error counter Counter that keeps the number of IP jitter errors for this channel A jitter error occurs when an incoming IP packet has a jitter that exceeds the Jitter Tolerance During normal operation this counter should remain constant RO int32 0x18 Lock error counter Counter that keeps the number of channel restarts A channel is restarted only under adverse circumstances like large jitter of IP packets in combination with packet loss A channel restart causes a signal interruption for this channel of about 1 second During normal operation this counter should remain constant RO int32 0x19 Delay factor The channel s delay factor in us Delay factor is a measure of the maximum jitter on the IP packets received for this channel RO int32 This category requires an index to be sent with each command 4 4 7 IP transmit settings The IP transmit settings are available only if the DTM 3200 is configured as ASI to IP converter Manageable Items Category 0x82 IP transmit Nr Variable Description Access Type 0x01 Enable Disable R W V int8 1 Enable 0x03 FEC enable Disable generation of FEC packets R W V int8 1 Enable generation of FEC packets 0x04 FEC columns 1 20 FEC columns generated R W V int16 0x05 FEC rows 4 20 FEC rows generated R
39. re version v2 0 Firmware update v2 0 contains both application and failsafe firmware Any interruption of the upgrade process may result in an unusable DTM 3200 module The first boot after this update will take longer than usual this is normal behavior Fixed issues e DTM 3200 unicasts to all ports of a switching hub e Category 0x81 setting Ox14 PCR present does not work e Category 0x81 setting 0x15 Rate change counter value is incorrect e Category 0x81 setting 0x19 Delay factor value is incorrect e Corruption of IP packet headers leading to occasional packet loss e DHCP client is started twice e The serial command protocol is case sensitive should be case insensitive e After extensive communication and reboot the application firmware may get corrupted e Dtm3200Util user interface locks up when repeatedly sending a setting to category 0x82 while no Ethernet cable has been attached Fixed issues related to I2C control e Accessing other I2C devices while DTM 3200 is processing a command causes DTM 3200 OEM Ethernet TSoIP Converter User Manual IG g the DTM 3200 to become unresponsive e DTM 3200 does not generate an I2C error response when an incorrect command has been issued e DIP switches 3 and 4 have no effect when used to set I2C slave address e An I2C master has to wait at least 10ms between issuing a command and trying to read the response Changes affecting customer design e The I2C read beha
40. s are sent by the DTM 3200 while white areas are sent by the master The address of the DTM 3200 in these examples is 0x12 Write command on RS XXX serial interface Figure 9 shows the write command of the FEC enable at the receive channel settings category 0x81 setting 4 index O All values are displayed as ASCII characters Serial data 12 91 04 we X 0000 Figure 9 Write FEC enable in the receive channel settings The command consists of the following parts Start character STX Two hexadecimal address characters 12 Two hexadecimal category characters 81 Two hexadecimal setting characters 04 A write character W Four hexadecimal index characters 0000 Two hexadecimal characters 01 Two hexadecimal checksum characters 58 See Table 1 Stop character ETX Table 1 Checksum computation Characters ASCII value amp m gt lt Sum Checksum DTM 3200 OEM Ethernet TSoIP Converter User Manual g Serial read command Figure 10 shows the read command of the device type number category 1 setting 5 no index An index is not required for this category and the returned data consists of 4 bytes int32 All values are displayed as ASCII characters Serial data Figure 10 Read command for the device type setting
41. s for C For IC communication the DIP switches have the following meaning Switch Description 4 3 2 1 Device address bit 3 0 DIP switch off 0 on 1 The I C device address is 0x40 four LSBs as selected by the DIP switches This means that the 1 C device address range is between 0x40 and Ox4F 3 4 5 Control connector The pinning of the control connector is shown in the table below It s a single row pin header for connecting the RS 232 DCE RS 485 422 or control bus The exact function of the signals depends on whether RS 232 or RS 485 422 mode is selected by the DIP switches Pin RS 232 mode DCE RS 485 422 mode NC NC 2 NC NC 3 TX TX RX 4 CTS NC 5 RX NC 6 RTS TX RX 7 8 9 GND GND 10 NC NC 11 SDA SDA 12 SCL SCL The pinning of this connector has been chosen in such a way that a 9 way flatcable with a press fit sub D flatcable connector can be connected directly to pin 1 9 see the figure below DTM 3200 OEM Ethernet TSoIP Converter User Manual IAM ET 12 pin female header 9 pin female sub D An controller can be connected to SDA and SCL on pin 11 and 12 with signal ground on pin 9 3 4 6 Ethernet connector The Ethernet connector is a standard shielded RJ45 jack with two status LEDs Link speed Link activity Link speed LED Orange 1000Mbps Green
42. s up to v1 3 the following behavior applies e To switch from a statically assigned IP address to DHCP write 1 to the DHCP enabled variable Effectively this action causes 0 0 0 0 to be written to IP address Subnet mask and Gateway Writing 0 0 0 0 to IP address therefore has the same effect as writing 1 to DHCP enabled In both cases the DTM 3200 switches to a dynamically assigned IP address through DHCP after a reboot e To switch from DHCP to a statically assigned IP address write the new static IP address subnet mask and gateway to the corresponding variables It must be noted that switching to a static IP address cannot be achieved by writing to the DHCP enabled field Starting with DTM 3200 package version v1 4 the DHCP enabled behavior has been altered to provide the user with a more convenient way to enable or disable the DHCP client DTM 3200 OEM Ethernet TSoIP Converter User Manual IAM ET e The 0 0 0 0 IP address behavior mentioned before still applies but the DHCP enable setting can now be used to turn on and turn off the DHCP client When 1 is written to DHCP enabled the IP address is set to 0 0 0 0 and after a reboot the DHCP client will start looking for a DHCP server to acquire an IP address When 0 is written to DHCP enabled the DTM 3200 retrieves the most recently manually entered IP address fixed IP and uses this address as its fixed IP address after a reboot e
43. terfaces may also be used 3 Stand alone mode The DTM 3200 is pre configured and no dynamic control is applied Two test tools are available 1 Dtm3200Util Windows GUI tool to view status and control settings of the DTM 3200 The tool can also be used to upload firmware Dtm3200Util is convenient for initial configuration of the DTM 3237 and for experimentation with the DTM 3200 2 DtmCmd Command line tool to send commands to the DTM 3200 Multiple commands can be combined in a script to apply a group of settings in one go DtmCmd is useful for studying the low level commands available for the DTM 3200 It is also useful to apply a pre defined group of setting values from a script 1 5 DTM 3200 protocol handler An open source implementation of a protocol handler for DTM 32xx devices is available from www dektec com free of charge It consists of two source files DtmHandler c DtmHandler h which can be compiled and linked into your C or C application Please refer to DtmHandler h for information about how to use the protocol handler in your application DTM 3200 OEM Ethernet TSoIP Converter User Manual 1 Note e Command line tool DtmCmd is an example of an application that uses the DTM handler The source of DtmCmd is also available on the DekTec website 1 6 Theory of operation Essentially the DTM 3200 consists of two subsystems e A Stream Processor which converts the IP packets to a base band Transp
44. the Control pin header of the DTM 3200 The pin 1 indication of the DTM 3301 should match the pin 1 indication of the DTM 3200 DTM 3301 USB interface control interface USB cable DTM 3200 Connect the DTM 3200 to the power supply using the power connector see 83 2 7 The DTM 3200 will boot which will take a few seconds During this time the two LEDs on the DTM 3200 are flashing in a start up pattern Wait until the DTM 3200 status LED turns green DTM 3200 OEM Ethernet TSoIP Converter User Manual IG g B 2 3 USB driver Depending on your Windows version it may or it may not be required to install a USB serial driver for the DTM 3301 On Windows 7 the driver is usually part of the Windows installation Connect the DTM 3301 to a USB port on the PC with the USB cable included in the development kit For this step it is not strictly necessary to power the DTM 3200 board because the DTM 3301 is bus powered After a while the USB connection to the interface board will become visible on the PC as a COM port in the Device Manager section Ports COM amp LPT The COM port number is displayed behind the USB Serial port entry see the screen shot below If no USB COM port appears in the Device Manager window you can download and install the FTDI USB driver from http www ftdichip com Drivers VCP htm After this step you may also have to unplug and reconnect the USB cable File Action View Help e
45. tput delay 100 100ms 6 0x81 IP receive 12 Multicast address 224 1 1 1 7 0x84 ASI par output 1 Packet size 188 byte MPEG 2 packets 8 0x81 IP receive 2 Enable On f you do not have a suitable TSoIP transmitter and or ASI receiver this functionality can for example be realized with a PC and a DekTec DTA 2160 I O card in it Please consult your local DekTec representative for more information DTM 3200 OEM Ethernet TSoIP Converter User Manual Ick ET The DTM 3200 will now receive a TSoIP stream and transmit this stream on the ASI port The status LED will be green to indicate successful transmission of the TS on the ASI output If no TSoIP stream is received the status LED will be red 2 3 Configuration 72 Converting ASI to TSoIP This set up will receive a stream on the ASI interface and transmit the stream over IP 2 3 1 Test set up The equipment and tools are similar to the ones listed in 82 2 1 In this case we need an external ASI source and a TSolP receiver on the network 2 3 2 Configuring the ASI to TSoIP conversion The settings below sequential order set up the DTM 3200 for ASI to IP conversion No FEC will be generated in this example 0x82 IP transmit Category Setting Value 1 0x82 IP transmit 1 Enable 0 Off 2 0x82 IP transmit 3 FEC Enable 0 Off 3 0x82 IP transmit 6 IP Address 224 1 1 1 4 0x82 IP transmit 8 UDP Port 5678 5 0x82
46. ual g Figure 13 is the reply sequence that may be executed after the read command of Figure 12 After addressing this device the bytes from the command are repeated followed with the 4 byte IP address Reply S X 012 X 15 Reply Continued Figure 13 Read subnet mask reply The reply consists of the following bytes Address and I C write bit 0x12 and 1 Category byte 0x03 Setting byte 0x02 Read byte 0x01 Four IP address bytes decimal 192 168 100 13 or hexadecimal 8 64 00 Checksum OxOF see Table 2 Table 2 Checksum computation Command Reply Address 0x12 0x12 Category 0x03 0x03 Setting 0x02 0x02 R W E 1 Data byte 3 Data byte 2 Data byte 1 Data byte 0 Sum Checksum
47. vice replies with a NACK When a master starts reading from a device and there is no answer available yet the device will reply with the value 0x00 The value 0 00 will be returned until an answer is available and the master has initiated a new read transaction Note In DTM 3200 package versions v1 3 and lower in the case mentioned above the device replies with a NACK instead of the value 0x00 S and P are the standard start and stop conditions A repeated start condition can be used at all times to concatenate multiple 1 read write actions 4 3 Manageable items The tables in this section provide lists of variables that can be configured and or monitored using the RS 232 485 422 interface The Access column indicates whether the variable is Read Only RO Write Only WO Read Write R W or not applicable n a When in the Access column the text V is written after the access type the variable can be stored either in a volatile or non volatile manner depending on the Volatile Storage setting category 0x02 setting 0x03 The volatility of the variables without V cannot be controlled DTM 3200 OEM Ethernet TSoIP Converter User Manual 4 4 Categories Ick icc Manageable Items Categories Nr Settings Category Description Index 0x01 Device Device properties No 0x02 Confi
48. vior has changed The DTM 3200 will always acknowledge its address when a read cycle is initiated When there is no data available to return to the master zeroes will be returned This also means that zeroes are appended to a message when the master reads more bytes than available e The firmware update ASCII encoding does not apply to I2C has been altered and is incompatible with previous versions including older failsafe firmware e Enabling the DHCP client by writing an IP address with value 0 0 0 0 is no longer supported Writing 0 0 0 0 will result in an error response since it is an incorrect fixed IP address The user should use the DHCP enable setting instead e Every message sent by the DTM 3200 on the RS XXX port now uses uppercase ASCII characters Users checking for lowercase characters should change this to uppercase e g instead of R instead of r Other changes e Added VBR mode category 0x81 setting 0x16 data 0x03 e Changed behavior of the DHCP enable setting category 0x03 setting 0x04 e Added Volatile Storage setting category 0x02 setting 0x03 giving the user the option to choose between RAM or FLASH storage of settings e Added checking for r and R in the read write field of a command message Previously any character other than w or W would result in a read reply e Added protocol checks for incorrect settings these will result in an E reply e Removed automatic reboot at the end of the
49. witch the mode and application of the DTM 3200 When settings 0x01 Mode or 0x02 Application are changed the DTM 3200 is rebooted automatically Manageable Items Category 0x02 Overall configuration Nr Variable Description Access Type 0x01 Mode O ASI to TSoIP R W int8 1 TSolP to ASI 0x02 Failsafe application R W int8 1 Normal operation See section 4 5 3 for further information OxO3 Volatile storage O Disabled settings stored in flash R W int8 1 Enabled settings stored in ram When the Volatile storage variable is set to 1 any changes made to settings with access type R W V will be lost after reboot 4 4 4 Network settings The network settings are used to configure the IP address subnet mask and gateway for the network connection The MAC address can be read from a read only variable Manageable Items Category 0x03 Network settings Nr Variable Description Access Type 0x01 IP address IP address of the DTM 3200 R W IP addr 0x02 Subnet mask Subnet mask R W IP addr 0x03 Gateway Gateway R W IP addr 0x04 DHCP enabled Use static IP address R W int8 1 Use DHCP 0x05 Reboot 1 Reboot WO int8 0x06 MAC address MAC address of the DTM 3200 RO int48 When the DHCP enabled behavior variable is read it indicates whether a static IP address or DHCP is used For DTM 3200 package version
50. y requires an index to be sent with each command For the File part setting index should be the file part number For the other settings index is not used For communication through the parts may contain at most 250 data bytes For communication through RS XXX the parts may contain at most 1024 data bytes For firmware version 1 3 and lower each data byte was sent as 2 ASCII characters 1 character per nibble using 0 9 and A F so 1024 data bytes were sent as 2048 ASCII characters To improve the firmware update speed this was changed into a different encoding DTM 3200 OEM Ethernet TSoIP Converter User Manual Binary data b7 b6 b5 b4 b3 b2 bi b0 Figure 8 ASCII encoding for firmware update data Ascii data AAT b7 b6 b5 b4 b3 b2 bi 00 Starting from firmware version 1 4 for each 7 bits of data one 8 bit ASCII character is send where the MSB of the ASCII character is set to 1 extended ascii range The translation is illustrated in Figure 8 This encoding is only applied to the data part of the File part message category 0x80 setting 0x02 The rest of the messages are encoded as before An example of a firmware update sequence and an example routine for the above translation can be found in paragraph 4 5 4 4 6 IP receive settings The IP receive settings are available only if the DTM 3200 is configured as IP to ASI converter Manageable Items Cate
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