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Albalá Ingenieros | Manual

IPA3000C01

1.3. Block diagram

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Summary of Contents for IPA3000C01

Page 1: ...I AND DVB IP AUTOMATIC CHANGE OVER SWITCH WITH TS FAILURE DETECTION FUNCTIONS AND SEAMLESS SWITCHING Version 1 0 Albalá Ingenieros S A Medea 4 28037 Madrid Spain 18 August 2015 Albalá Ingenieros S A All rights reserved ...

Page 2: ...IPA3000C01 ...

Page 3: ...6 Interconnection 16 3 6 1 Electrical DVB ASI video connections 17 3 6 2 GPI connections 18 3 6 3 GPO connections 18 4 OPERATION 19 4 1 Front panel description 19 4 2 Configuration from the front panel 21 4 3 Functional description 21 4 3 1 Operation in automatic mode 21 4 3 2 Operation in semi automatic mode 22 4 3 3 Operation in manual mode 22 4 4 Description of the TS over IP encapsulators de e...

Page 4: ...IPA3000C01 ...

Page 5: ...ing the Ethernet port In case of power supply failure or extraction of the module from the mounting frame a bypass relay on the rear board connects the ASI MAIN input MAIN IN to the protected output OUTp The IPA3000C01 module can operate in two different modes depending upon the type of signal received One mode is valid for any DVB transport stream TS whereas the other can only be used with DVB T ...

Page 6: ...0C01 can be used for other functions such as conversion of DVB ASI transport streams to DVB over IP and vice versa elimination of jitter in the transport streams being transmitted over IP and the conversion of IP protocols such as elimination or insertion of forward error correction FEC conversion from UTP to RTP etc The module provides three switching modes automatic semi automatic or manual All ...

Page 7: ...d to one of the output connectors in case of power loss or module removal The DVB ASI inputs include automatic equalizers All DVB over IP streams are received and transmitted on the same RJ 45 connector Provides the following front panel indicators Failures in the Transport Stream inputs the 1 PPS input and the 10 MHz input Ethernet interface status Operating mode Selected input Seamless switching...

Page 8: ...Albalá Ingenieros Manual IPA3000C01 One UR3100 mounting frame can house up to three IPA3000C01 modules Low power 8 ...

Page 9: ...Albalá Ingenieros Manual IPA3000C01 1 3 Block diagram 9 ...

Page 10: ...Albalá Ingenieros Manual IPA3000C01 IPA3000C01 10 ...

Page 11: ...n loss 0 1 dB up to 270 MHz Number of outputs 4 Amplitude 800 mVpp 10 Rise and fall time 20 80 650 ps typ DVB ASI signal Signal format According to EN 50083 9 standard DVB IP signal Supported protocols According to SMPTE 2022 1 and SMPTE 2022 2 standards Ethernet interface Connector RJ45 Encoding and electrical characteristics 1000BASE T According to IEEE std 802 3ab standard 100BASE T According t...

Page 12: ...itch Type 10 kΩ pull up to 5 V Number of inputs 4 Threshold levels VIH min 3 5 V VIL max 1 5 V Activation Closing contact to ground Allowed voltage range 0 5 V GPO output Connector Plug in terminal 3 81 mm pitch Type Open closed drain to ground Number of outputs 1 Allowed voltage range 0 50 V 150 mA max General Maximum power supply current 650 650 mA Operating temperature range 0 50 C Approximate ...

Page 13: ...ns This equipment must be connected to a mains outlet with a protective earth connection Never use extension cords that do not have protective earthing connection The lack of an effective electrical connection between the ground pin in the mains input connector of the equipment and the protective earth of the electrical power distribution can cause serious harm All modules of the Albalá Ingenieros...

Page 14: ...l the IPA3000C01 module with the rear board in the mounting frame are 1 Disconnect all power cords from the power supplies of the mounting frame 2 Remove the blank panels covering the front and rear of the empty bays chosen for installing the IPA3000C01 in the mounting frame 3 Install the IPA3000P02 rear board ensuring that its 12 pin connectors are properly aligned with the mounting frame s matin...

Page 15: ...Albalá Ingenieros Manual IPA3000C01 Details for installation of the module in 3 RU mounting frames Details for installation of the module in 1 RU mounting frames 15 ...

Page 16: ...e output that is protected with a bypass relay such that signal integrity is maintained in case of a power supply failure or extraction of the module from the mounting frame The unit also includes two reference inputs 1PPS and 10MHz and an RJ 45 Ethernet port ETHERNET Finally the module has four GPI inputs F_IP_R F_IP_M F_ASI_R and F_ASI_M and one GPO output F_OUT The Ethernet port uses an RJ 45 c...

Page 17: ... where the mounting frame is housed to prevent the rear board from supporting the weight of the cables 3 6 1 Electrical DVB ASI video connections All DVB ASI digital video electrical connections are BNC type Below are several recommendations to consider when wiring electrical signals BNC connectors used on cables must be suitable for the high frequencies of DVB ASI digital video signals it is stro...

Page 18: ...please consult the maximum values shown in the specifications section Never connect dangerous potentials to GPI inputs 3 6 3 GPO connections GPO outputs use 3 81 mm pitch terminal block connectors and their equivalent circuit is as follows Before connecting these signals please consult the maximum values shown in the specifications section Never connect dangerous potentials to GPO outputs 18 ...

Page 19: ... panel indicators of the IPA3000C01 module and their remote control and monitoring ability 4 1 Front panel description The appearance of the front panel and the elements it contains are shown in the following illustration Front panel of the IPA3000C01 The meaning of each LED is explained as follows 19 ...

Page 20: ...T box LINK Green This LED lights up continuously when a link has been established via the Ethernet port ACT Green This LED blinks when there is activity on the Ethernet port 1G 100M Green These LEDs light up to indicate the speed of the Ethernet interface 1G indicates a speed of 1 Gbit s 100M indicates a speed of 100 Mbit s If both of these LEDs are off and the LINK is lit the speed is 10 Mbit s I...

Page 21: ... through the modes in the following order automatic mode semi automatic mode and manual mode 4 3 Functional description 4 3 1 Operation in automatic mode In this mode the IPA3000C01 automatically selects the highest priority error free active input at all times The priority of each input is set with a parameter value ranging from 0 to 3 where 0 is the highest priority and 3 is the lowest However p...

Page 22: ...will only switch if an error occurs in the selected input and at least one of the other three inputs is error free The error free input with the highest priority will be selected Priorities are set in the same fashion as in automatic mode The elements within the ALARM box on the front panel operate in the same fashion as in automatic mode 4 3 3 Operation in manual mode Manual mode is useful for ma...

Page 23: ... serialization is minimal in comparison to other delays that may exist in the system During encapsulation of the DVB over IP frames mechanisms are employed to correct errors and absorb any jitter generated by the IP networks These mechanisms introduce delays in the transport of the frames that may on occasion need to be accounted for This section describes the latencies introduced for each of the ...

Page 24: ...the output packet frequency of the IPA3000C01 can be configured to operate with two different bandwidths one wide and one narrow The wide bandwidth is best for transport streams with variable bitrates because it allows the bitrate to vary without overflowing the buffer The narrow bandwidth is best for transport streams with a fixed bitrate because it allows extremely low jitter in the DVB output f...

Page 25: ...s byte 5319 packets If the difference in delay between the two signals is unknown the information provided by the IPA3000C01 s control software can be used to determine this value In order to find the difference in delay the buffer must be set to a sufficiently large value and then the delay indicators for the two signals at the inputs should be read while the seamless switching indicators are act...

Page 26: ...ng transmitted should be configured with the same parameters and the modules should activate their All errors silence the output controls The correct way to interconnect and configure the modules for each of the two redundant modes is as follows No priority method First a cross connection of the GPIO s of both modules should be made To do this connect the GPO of each module to the external error i...

Page 27: ...transmit simultaneously with the reserve module when the signal is recovered If this is not done the main module will begin to transmit the IP stream at the same time that it activates its GPO signaling to the reserve module that it should stop transmitting This will generate a period of time during which both modules are transmitting 27 ...

Page 28: ...vision The IPA3000C01 requires remote control for configuration In order to perform remote configuration and supervision of the module an optional TL3000 family remote communications controller must be installed in the mounting frame The main function of the communications control module is to interface between a 10 100 Ethernet port an EIA RS232 or an EIA RS485 serial port and the internal bus of...

Page 29: ...rolled and supervised remotely for each version of the firmware are listed below VERSION 1 X CONTROL Name add ext msk snmp trap Description MODE 0x00 0x03 Y Y Allows selecting the switching mode 0 Full auto 1 Half auto 2 Manual DVB_T_MODE 0x00 0x04 Y Y Selects DVB T mode 0 No 1 Yes NULL_PCK_RTP 0x00 0x08 Y N Selects if NULL packets are inserted if there are unrecovered packets when using RTP proto...

Page 30: ...rity x ASI_RES_PRIOR 0x07 0x0C Y N Allows selecting the ASI reserve input priority x IP_MAIN_PRIOR 0x07 0x30 Y N Allows selecting the IP main input priority x IP_RES_PRIOR 0x07 0xC0 Y N Allows selecting the IP reserve input priority x STAT_RESET 0x08 0x01 Y N Allows reseting the statistics measurements 0 No 1 Yes STAT_SEL 0x08 0x02 Y N Allows selecting the channel to be displayed 0 IP reserve inpu...

Page 31: ...2 Y N RX mode IP main RX 0 Unicast 1 Multicast TEI_FLAG_EN 0x00 0x42 0x04 N N Enables Transport Error Indcator Flag in generated NULL packets 0 No 1 Yes VLAN_RX1_ENABLE 0x00 0x44 0x01 Y N VLAN Enable IP main RX 0 No 1 Yes VLAN_RX1_REG_1 0x00 0x45 0xFF Y N VLAN_REG_1 IP main RX x VLAN_RX1_REG_2 0x00 0x46 0xFF Y N VLAN_REG_2 IP main RX x STR2_UIP_D_ADD_3 0x00 0x48 0xFF Y N Unicast IP address 3 IP re...

Page 32: ... x TX_UIP_ADD_1 0x00 0x67 0xFF Y N Destination IP address 1 x TX_UIP_ADD_0 0x00 0x68 0xFF Y N Destination IP address 0 x TX_MIP_ADD_3 0x00 0x69 0xFF Y N Multicast dest IP address 3 x TX_MIP_ADD_2 0x00 0x6A 0xFF Y N Multicast dest IP address 2 x TX_MIP_ADD_1 0x00 0x6B 0xFF Y N Multicast dest IP address 1 x TX_MIP_ADD_0 0x00 0x6C 0xFF Y N Multicast dest IP address 0 x TX_S_PORT_MSB 0x00 0x6D 0xFF Y ...

Page 33: ...erence input status 0 OK 1 Fail OUTPUT_FAIL 0x01 0x08 Y Y The output signal is not valid because all inputs failed 0 OK 1 Fail ASI_MAIN_DEL_WAR 0x01 0x10 Y Y The ASI main delay is greater than the programmed output delay 0 OK 1 Fail ASI_RES_DEL_WAR 0x01 0x20 Y Y The ASI reserve delay is greater than the programmed output delay 0 OK 1 Fail IP_MAIN_DEL_WAR 0x01 0x40 Y Y The IP main delay is greater ...

Page 34: ...Y N RX packets source IP address 0 x IP_RX_PORT 0x0C 0xFFFF Y N RX packets UDP source port x L_PARAM 0x0E 0x1F Y N L parameter FEC mode columns x FEC_MODE 0x0E 0x60 Y N Protocol 0 UDP 1 RTP no FEC 2 RTP FEC A col 3 RTP FEC B row col PACKET_SIZE 0x0E 0x80 Y N Bytes in TS packets 0 204 1 188 D_PARAM 0x0F 0x1F Y N D parameter FEC mode rows x TS_PCK_IN_IP_PCK 0x0F 0xE0 Y N TS packets in each IP packet...

Page 35: ...2 0x02 N N Allows masking fail in 10MHz input 0 Disabled 1 Enabled INPUT_ST_CHANGE 0x02 0x04 Y N Signals a change in fail status 0 No 1 Yes INPUT_CHANGE 0x02 0x08 Y N Signals a change in selected input 0 No 1 Yes ENA_ASI_MAIN 0x02 0x10 Y N Allows disabling ASI main input when it is not used 0 Disabled 1 Enabled ENA_ASI_RES 0x02 0x20 Y N Allows disabling ASI reserve input when it is not used 0 Disa...

Page 36: ...re starting to transmit after recovering signal 10 x ms EEPROM Name add ext msk snmp trap Description N_STUFF 0x00 0x30 0xFF N N Number of stuffing bytes 0 packet mode 255 auto to max x bytes 255 auto REC_TIME 0x00 0x31 0xFFFF N N Allows adjust of the recovery time x 100 s INVERT_GPI_POL 0x00 0x33 0x01 N N Changes input polarity to normally closed 0 No 1 Yes INVERT_GPO_POL 0x00 0x33 0x02 N N Chang...

Page 37: ... IP reserve RX x STR2_D_PORT_LSB 0x00 0x51 0xFF Y N Destination port lsb IP reserve RX x STR2_FEC_ENA 0x00 0x52 0x01 Y N Enable FEC IP reserve RX 0 No 1 Yes STR2_MULTIC_ENA 0x00 0x52 0x02 Y N RX mode IP reserve RX 0 Unicast 1 Multicast VLAN_RX2_ENABLE 0x00 0x54 0x01 Y N VLAN Enable IP reserve RX 0 No 1 Yes VLAN_RX2_REG_1 0x00 0x55 0xFF Y N VLAN_REG_1 IP reserve RX x VLAN_RX2_REG_2 0x00 0x56 0xFF Y...

Page 38: ... FEC 2 RTP FEC A col 3 RTP FEC B row col TX_D_PARAM 0x00 0x75 0x1F Y N D parameter FEC mode rows x TX_TSPK_IN_IPPK 0x00 0x75 0xE0 Y N TS packets in each IP packet x TX_ROW_DELAY 0x00 0x76 0x1F Y N FEC row delay x TX_COL_DELAY 0x00 0x77 0xFF Y N FEC column delay x LOW_COST 0x00 0x88 0x02 Y N TOS Low cost 0 No 1 Yes HIGH_RELIABILTY 0x00 0x88 0x04 Y N TOS High reliability 0 No 1 Yes HIGH_THROUGHPUT 0...

Page 39: ...P reserve external input fail status 0 OK 1 Fail ASIM_ASIR_SEAM 0x03 0x01 Y N ASI main to ASI reserve seamles switching capability 0 Seamless 1 No seamless ASIM_IPM_SEAM 0x03 0x02 Y N ASI main to IP main seamles switching capability 0 Seamless 1 No seamless ASIM_IPR_SEAM 0x03 0x04 Y N ASI main to IP reserve seamles switching capability 0 Seamless 1 No seamless ASIR_IPM_SEAM 0x03 0x08 Y N ASI reser...

Page 40: ...cket rate x packets s LINK 0x1C 0x1D Y N Ethernet conection status 5 10Mbps 9 100Mbps 17 1Gbps No link SYSTEM 0x1C 0x21 Y N Ethernet conection system 33 Full Duplex 1 Half Duplex No link DEST_AVAILABLE 0x1C 0x40 Y N Destination IP available 0 No 1 Yes ASI_MAIN_BUF_OVF 0x1D 0x01 N N ASI main buffer overflow 0 OK 1 Fail ASI_RES_BUF_OVF 0x1D 0x02 N N ASI reserve buffer overflow 0 OK 1 Fail IP_MAIN_BU...

Page 41: ...trial The standard created by the DVB for terrestrial television broadcasting FEC Forward Error Correction This technique corrects errors at the receiving point produced in a digital transmission channel by including redundant information at the transmission point in the form of error correction codes GPI General Purpose Input This is a signaling and control interface that receives information thr...

Page 42: ...e of two signals RTP Real Time Protocol An internet protocol for applications that transmit IP data packets in real time as per IETF standard RFC3550 This includes numbering of the packets detection of duplicate packets and recovery of lost packets if FEC packets as per SMPTE 2022 1 are included on the transmitter side TS Transport Stream Data stream that includes one or more compressed audio and ...

Page 43: ...gital Video Broadcasting DVB Measurement guidelines for DVB systems IEEE std 802 3 2015 Carrier Sense Multiple Access with Collision Detection CSMA CD Access Method and Physical Layer Specifications SMPTE 2022 1 2007 Forward Error Correction for Real Time Video Audio Transport Over IP Networks SMPTE 2022 2 2007 Unidirectional Transport of Constant Bit Rate MPEG 2 Transport Streams on IP Networks 4...

Page 44: ...Albalá Ingenieros Manual IPA3000C01 IPA3000C01 44 ...

Page 45: ...Albalá Ingenieros Manual IPA3000C01 7 VERSIONS Ver Date Description 0 0 13 06 2013 Preliminary Version 1 0 18 08 2015 First version ...

Page 46: ...Albalá Ingenieros S A Medea 4 28037 Madrid Spain 34 913274453 www albalaing com info albalaing com ...

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