Albalá Ingenieros IPA2000C01 Bedienungsanleitung
IPA2000C01
DVB-ASI 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
10 January 2017 - © Albalá Ingenieros S.A. - All rights reserved
IPA2000C01
IPA2000C01
DVB-ASI AND DVB-IP AUTOMATIC CHANGE-OVER SWITCH WITH TS FAILURE
DETECTION FUNCTIONS AND SEAMLESS SWITCHING
Version 1.0
1. DESCRIPTION ...................................................................................................................... 5
1.1. The IPA2000C01 ............................................................................................................................. 5
1.2. Features ............................................................................................................................................. 7
1.3. Block diagram .................................................................................................................................. 8
2. SPECIFICATIONS ................................................................................................................. 9
3. INSTALLATION .................................................................................................................. 11
3.1. Initial inspection .......................................................................................................................... 11
3.2. Safety instructions ...................................................................................................................... 11
3.3. Environmental considerations ................................................................................................ 12
3.4. Installing the module in the mounting frame ................................................................... 12
3.5. Interconnection ............................................................................................................................ 13
3.5.1. Ethernet connections ........................................................................................................ 13
3.5.2. Electrical DVB-ASI video connections .......................................................................... 13
4. OPERATION ...................................................................................................................... 15
4.1. Front panel description .............................................................................................................. 15
4.2. Functional description ............................................................................................................... 15
4.2.1. Operation in automatic mode ........................................................................................ 16
4.2.2. Operation in semi-automatic mode ............................................................................. 16
4.2.3. Operation in manual mode ............................................................................................. 16
4.3. Description of the TS over IP encapsulators/de-encapsulators ................................... 16
4.4. System latencies .......................................................................................................................... 17
4.5. Module remote control and supervision ............................................................................. 20
4.5.1. Details of the IPA2000C01 registers ............................................................................. 21
5. GLOSSARY ........................................................................................................................ 31
6. REGULATIONS .................................................................................................................. 33
7. VERSIONS ......................................................................................................................... 35
IPA2000C01
Albalá Ingenieros | Manual IPA2000C01
1. DESCRIPTION
1.1. The IPA2000C01
The IPA2000C01 module is an automated switch for DVB-ASI and DVB-over-IP signals
that operates according to the presence of signals at the inputs, reception of a sync
stream and the status of the inputs with regards to errors present as per ETSI TR 101 290
V1.2.1 as a first priority, based upon the priority criteria set by the user for each of the
inputs.
The unit provides two DVB-ASI inputs/outputs labeled ASI 1 and ASI 2 and two 1 Gbps
Ethernet interfaces over which it can receive an additional two DVB-over-IP streams DVB
(UDP and RTP with and without FEC) labeled IP RX 1 and IP RX2 as well as transmit two
DVB-over-IP streams (IP TX 1 and IP TX 2). Furthermore, if an EOP2000C01 module is
installed in the slot immediately to the left of the IPA2000C01 then two auxiliary ASI
inputs become available, and if an EOP2000C02 is installed immediately to the right,
then two auxiliary ASI outputs become available.
The IPA2000C01 provides two analysis channels that can be assigned to any of its six
inputs. At any given time the two signals being analyzed are directed to two different
destinations that can be the ASI outputs or the IP outputs.
Depending upon the type of stream being received, the IPA2000C01 module can operate
in two different modes. One is for use with any DVB Transport Stream and the other can
only be used with DVB-T type Transport Streams. The characteristics of each of these
modes are described in the following:
• Generic DVB mode:
- Allows both seamless and non-seamless operation.
-Error detection can activate for any of the parameters indicated in ETSI TR 101 290
V1.2.1 as a First Priority, which are the following:
- TS_sync_loss. Loss of synchronization.
- Sync_byte_error. Sync_byte not equal 0x47.
- PAT_error. Errors that prevent the PAT from being obtained.
- Continuity_count_error. Errors in the packet continuity counter.
- PMT error. Errors that prevent the PMT from being obtained.
- PID_error. Referred PID does not occur for a user specified period.
- The 1 PPS reference input via the backplane is not used.
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Albalá Ingenieros | Manual IPA2000C01
• Dedicated DVB-T mode:
- Seamless-only operation.
-Error detection occurs according to all the parameters indicated in NO DVB-T mode
and according to the presence of a megaframe sync (MIP packets).
-The 1 PPS reference input is used to measure the delay with which the input signals
arrive and to set the delay of the output signal.
-The output delay is fixed and is programmed independently from the delay of the
input signals since it must be greater than the input signal delay in order for the unit
to operate properly.
In order to perform seamless switching of the DVB-T streams coming into the
IPA2000C01, the module provides a 13.5MHz reference input and a 1 PPS reference
input that come over the backplane from another module installed in the same
mounting frame. This allows the various Transport Streams to be synchronized.
In addition to functioning as an automatic switch, the IPA2000C01 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 IPA2000C01 provides three switching modes: selection of the input can be
Automatic, Semiautomatic or Manual. Any change in the selection of the input or the
status of the inputs is flagged in the control software.
It is possible to monitor the IPA2000C01 status remotely using a TLE2001C02
communications controller module installed in the same mounting frame. In addition,
certain controller modules provide SNMP management and the ability to record events
in a file including date and time information for further analysis.
The IPA2000C01 is a TL2000 terminal line module and can be housed in a two rack unit
(2 RU) UR2000 mounting frame.
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Albalá Ingenieros | Manual IPA2000C01
1.2. Features
•Automatic change-over switch for DVB Transport Stream signals with seamless
switching capabilities.
•Allows error detection for two channels and selection of one channel for routing to the
output at any given time based upon the switching mode, the error status and the
priority assigned to each channel.
• The signal being analyzed by each channel can come from six possible input interfaces:
- Two DVB-ASI signal connectors located on the front panel of the module.
-Two DVB-ASI buses on the backplane of the mounting frame coming from an
auxiliary module located in the slot immediately to the left of the IPA2000C01.
-Two DVB-over-IP receivers (UDP and RTP with and without FEC) connected to two
gigabit Ethernet interfaces.
•The unit provides six output interfaces to which any selected channel can be routed.
These are:
- Two DVB-ASI signal connectors located on the front panel of the module.
-Two DVB-ASI buses on the backplane of the mounting frame coming from an
auxiliary module located in the slot immediately to the right of the IPA2000C01.
-Two DVB-over-IP transmitters (UDP and RTP with and without FEC) connected to two
gigabit Ethernet interfaces.
•The error criteria for the input channels that can be selected are defined in the First
Priority table of ETSI TR 101 290 V1.2.1 together with the presence of a megaframe sync
signal in DVB-T mode.
• Provides three modes of operation: Automatic, Semiautomatic and Manual.
• The priority of the input channels can be set by the user.
• The DVB-ASI inputs include automatic equalizers.
• Error indicator LEDs for each of the input channels are provided on the front panel.
•Module control and supervision can be done remotely when the mounting frame is
equipped with a TLE2001C02 communications controller module.
• Low power.
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Albalá Ingenieros | Manual IPA2000C01
1.3. Block diagram
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Albalá Ingenieros | Manual IPA2000C01
2. SPECIFICATIONS
DVB-ASI signal input
Connector BNC
Impedance 75Ω ± 1 %
Return loss >17dB up to 270 MHz
Number of inputs 2
Equalizable cable length:
Belden 8281 >300 m
Belden 1694A >350 m
DVB-ASI signal output
Connector BNC
Impedance 75Ω ± 1 %
Return loss >17dB up to 270 MHz
Number of outputs 2
Amplitude 800mVpp ± 10 %
Rise and fall time (20 % - 80 %) 640 ps typ.
DVB-ASI signal
Signal format According to EN 50083-9 standard
DVB-IP signal
Supported protocols According to {$SMPTE_ST_2022_1} and
{$SMPTE_ST_2022_2} standards
Ethernet interface
Connector RJ45
Encoding and electrical characteristics:
1000BASE-T According to IEEE std 802.3ab standard
100BASE-T According to IEEE std 802.3u standard
10BASE-T According to IEEE std 802.3i standard
Operating modes Auto-Negotiation speed,
full duplex/half duplex
Supported protocols IP, ARP, ICMP, UDP, RTP,
IGPM (v2 y v3), VLAN
General
Power consumption 6.5 W
Operating temperature range 0 .. 50 °C
Approximate weight 213 g
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Albalá Ingenieros | Manual IPA2000C01
IPA2000C01
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