Albalá Ingenieros AGW3000C01 User manual

Brand: Albalá Ingenieros

Model: AGW3000C01

Type: User manual

AGW3000C01

DUAL DVB-IP TO DVB-ASI AND DVB-ASI TO DVB-IP CONVERTER WITH 4X4

ROUTING SWITCHER

Version 1.0

Albalá Ingenieros, S.A.

Medea, 4 - 28037 Madrid - Spain

AGW3000C01

DUAL DVB-IP TO DVB-ASI AND DVB-ASI TO DVB-IP CONVERTER WITH 4X4

ROUTING SWITCHER

Version 1.0

1. DESCRIPTION ...................................................................................................................... 5

1.1. The AGW3000C01 .......................................................................................................................... 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. Power considerations ................................................................................................................. 12

3.5. Installing the module in the mounting frame ................................................................... 12

3.6. Interconnection ............................................................................................................................ 14

3.6.1. Electrical DVB-ASI video connections .......................................................................... 15

4. OPERATION ...................................................................................................................... 17

4.1. Front panel description .............................................................................................................. 17

4.2. Configuration from the front panel ...................................................................................... 18

4.3. Functional description ............................................................................................................... 19

4.3.1. Operation in automatic mode ........................................................................................ 19

4.3.2. Operation in semi-automatic mode ............................................................................. 19

4.3.3. Operation in manual mode ............................................................................................. 20

4.4. Description of the TS over IP encapsulators/de-encapsulators ................................... 20

4.5. System latencies .......................................................................................................................... 20

4.6. Redundant IP transmitter mode ............................................................................................. 22

4.7. Module remote control and supervision ............................................................................. 24

4.7.1. Details of the AGW3000C01 registers ......................................................................... 25

5. GLOSSARY ........................................................................................................................ 43

6. REGULATIONS .................................................................................................................. 45

7. VERSIONS ......................................................................................................................... 47

AGW3000C01

Albalá Ingenieros | Manual AGW3000C01

1. DESCRIPTION

1.1. The AGW3000C01

The AGW3000C01 module is a DVB-ASI and DVB over IP gateway. It can also operate as

an automatic switch that performs switching based upon presence of signal at the

inputs, reception of frame synchronization and information received via the GPI

connector as per the priorities assigned by the user to each input.

The module includes two DVB-ASI inputs, ASI IN 1 and ASI IN 2 and a 1Gbit/s Ethernet

port through which it can receive two DVB over IP frames (UDP and RTP, with or without

FEC) labeled IP IN 1 and IP IN 2.

In addition, the AGW3000C01 provides four ASI outputs, ASI-OUT1A, ASI-OUT1B,

ASI-OUT2A and ASI-OUT2B and two IP outputs that share the same Ethernet interface as

the IP inputs, labeled IP OUT 1 and IP OUT 2.

All four inputs can be activated or deactivated and are connected to the module's

switching matrix to allow automated or manual selection of the input signal connected

to each output. Automatic selection is performed independently, as per the priorities

assigned by the user to each input.

Each input includes a 62463 packet buffer, allowing a delay of up to two seconds for any

transport stream (TS) up to 40Mbit/s.

Depending upon the type of signal received the AGW3000C01 operates in one or two

different modes: one valid for any DVB TS and the other which is only valid for DVB-T

transport streams. The characteristics of each operating mode are as follows:

• Generic DVB mode:

Error detection for the inputs is based upon signal level and the presence of DVB

frame synchronization.

• Dedicated DVB-T mode:

Error detection for the inputs is based upon signal level, the presence of DVB frame

synchronization and the presence of megaframe synchronization (MIP packets).

The module also includes configurable general purpose inputs and outputs (GPIOs) that

can function in three different ways: as four GPI inputs for indication of external errors

in the transport streams received, as four GPO outputs that indicate if the selected input

for each TS being delivered is valid, and as GPI inputs for recalling up to five

user-configurable presets.

Albalá Ingenieros | Manual AGW3000C01

In addition to functioning as an automatic switch, the AGW3000C01 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

changes to the input selected or in the status of the inputs are indicated via the front

panel LEDs and a beep.

It is possible to monitor the AGW3000C01 status remotely using a 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 AGW3000C01 is a TL3000 terminal line module and can be housed in a three rack

unit (3 RU) UR3000 mounting frame or a 1 RU UR3100 mounting frame.

Albalá Ingenieros | Manual AGW3000C01

1.2. Features

• Gateway for DVB transport stream (TS) signals.

•Provides four inputs: two DVB-ASI and two DVB over IP (UDP or RTP with and without

FEC) and four outputs: two DVB-ASI and two DVB over IP.

• Each DVB-ASI output is distributed to two BNC connectors.

• All DVB over IP streams are received and transmitted on the same RJ-45 connector.

• Each DVB transport stream input can be routed to one or more outputs.

• Can operate as an automatic switch using the following failure detection criteria:

- Signal presence.

- Frame synchronization.

- Megaframe synchronization (only in DVB-T mode).

• Provides three modes of operation: Automatic, Semiautomatic and Manual.

•Provides an external fault indication GPI input for each of the signal sources. GPIO lines

can also be used to restore presets when they are configured as inputs or as fault

indicators when they are configured as outputs.

• Provides the following front panel indicators:

- Failure in the Transport Stream inputs.

- Ethernet interface status.

- Operating mode.

- Selected input for each output.

-Changes in the failure status of the inputs or changes in the selected input, the latter

can be acoustic.

•Module control and supervision can be done remotely when the mounting frame is

equipped with a communications controller module.

•One UR3000 mounting frame can house up to 12 AGW3000C01 modules. If power

supply redundancy is required and FA3000 or FA3001 modules are used then only 10

modules can be housed in the mounting frame. If PSU3300 or PSU3301 modules are

used for this purpose then up to 12 modules can be installed.

• One UR3100 mounting frame can house up to three AGW3000C01 modules.

• Low power.

Albalá Ingenieros | Manual AGW3000C01

1.3. Block diagram

Albalá Ingenieros | Manual AGW3000C01

2. SPECIFICATIONS

DVB-ASI signal input

Connector BNC

Impedance 75Ω ± 1 %

Return loss >17dB 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 75Ω ± 1 %

Return loss >17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 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

GPI input

Connector Plug-in terminal,

3.81mm pitch

Number of inputs 5

Threshold levels:

VIH min. 3.5 V

VIL max. 1.5 V

Albalá Ingenieros | Manual AGW3000C01

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 4

Allowed voltage range 0 .. 50V 150mA max.

General

Maximum power supply current + 650 / - 650 mA

Operating temperature range 0 .. 50 °C

Approximate weight 350 g

Albalá Ingenieros | Manual AGW3000C01

3. INSTALLATION

THE AGW3000C01 MODULE CONTAINS ELECTRONIC DEVICES SENSITIVE TO

ELECTROSTATIC DISCHARGE. Always use antistatic bags clearly identified

with a high degree of shielding for storage and transportation.

The AGW3000C01 module is composed of two parts: one IPA3000P03 main board and

one IPA3000P04 rear board. Both parts must be installed in a UR3000 or UR3100

mounting frame following the instructions in the corresponding section of this chapter.

3.1. Initial inspection

Verify that the package has been properly handled during transport. After opening the

packaging, check that one IPA3000P03 main board and one IPA3000P04 rear board are

inside.

You must notify your Albalá Ingenieros distributor or dealer of any damage or defects

observed.

Follow the instructions in this manual to install this module in the mounting frame.

3.2. Safety instructions

•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 TL3000 terminal line can be

hot-plugged or unplugged without suffering any damage or affecting the

processes that are currently taking place in other modules in the same

mounting frame. When a module is installed in an empty bay of a mounting

frame, it is necessary to mount the rear board that is part of that module.

Prior to installing this board, the mounting frame must be disconnected

from the power supply network. This is required because in addition to the

risk of electrocution for the person handling the device it is possible that a

high instantaneous current coming from the power supply could damage

the connectors and components of the mounting frame and/or the rear

board.

Albalá Ingenieros | Manual AGW3000C01

•The AGW3000C01 module and the mounting frame should always be

installed, maintained, operated and removed by personnel with sufficient

technical qualifications. The equipment should never be placed in damp

areas, near splashing liquid, or in explosive or corrosive atmospheres.

Neither modules nor mounting frames can be used in applications that

could endanger human life.

3.3. Environmental considerations

This symbol indicates that this equipment must be deposited at a collection

point for proper waste treatment once it has reached the end of its useful

life.

3.4. Power considerations

The UR3000 and UR3100 mounting frames can house as many AGW3000C01 modules

as will fit in them.

3.5. Installing the module in the mounting frame

The steps needed to install the AGW3000C01 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 AGW3000C01 in the mounting frame.

3 - Install the IPA3000P04 rear board ensuring that its 12-pin connectors are properly

aligned with the mounting frame´s mating connectors. Check that the orientation of

the board is correct by looking at the placement of the text printed on it according to

the illustration below.

4 - Attach the rear board to the mounting frame with two M3 metric screws and tighten.

5 - Insert the IPA3000P03 board (main board of the AGW3000C01 module) into the front

of the mounting frame. The edges of the card slide into two plastic guides inside the

mounting frame.

6 - Affix the main board to the mounting frame using the two screws included on the

front panel.

After these steps, the module is ready to be connected to other equipment.

Albalá Ingenieros | Manual AGW3000C01

Details for installation of the module in 3 RU mounting frames

Details for installation of the module in 1 RU mounting frames

Albalá Ingenieros | Manual AGW3000C01

3.6. Interconnection

The following figure shows the AGW3000C01 module rear board connector layout.

Rear view of the AGW3000C01

The AGW3000C01 module includes two DVB-ASI TS inputs (ASI-IN1, ASI-IN2) and two

DVB-ASI TS outputs distributed to two BNC connectors (ASI-OUT1A/ASI-OUT1B and

ASI-OUT2A/ASI-OUT2B). The unit also includes five GPIO inputs/outputs (GPIO1 to GPIO5)

and a RJ-45 Ethernet port (ETHERNET).

The rear interconnection board is not designed to withstand mechanical stress. The

wiring must be fastened properly to the frame where the mounting frame is housed to

prevent the rear board from supporting the weight of the cables.

The Ethernet port uses an RJ-45 connector. The cable used should be UTP Cat 5 or better

(Cate 5e or Cat 6) in order to guarantee proper 1Gbit/s operation.

The GPIO inputs/outputs use 3.81mm pitch terminal block connectors and their

equivalent circuit is as follows:

Albalá Ingenieros | Manual AGW3000C01

The GPIO interface includes the following signals:

TERMINAL NAME FUNCION

6 GPIO1

GPI mode: (input) allows you to tell the module that the signal it is receiving

through the ASI IN 1 input is not valid.

GPO mode: (output) indicates that the selected input in the ASI OUT 1 output is

invalid.

Preset mode: (input) recalls PRESET 1.

Redundant IP TX mode: (input) allows to indicate to the module that the signal it is

receiving through the ASI IN 1 input is not valid.

5 GPIO2

GPI mode: (input) allows you to tell the module that the signal it is receiving

through the ASI IN 2 input is not valid.

GPO mode: (output) indicates that the selected input in the ASI OUT 2 output is

invalid.

Preset mode: (input) recalls PRESET 2.

Redundant IP TX mode: (input) allows to indicate to the module that the signal it is

receiving through the ASI IN 2 input is not valid.

4 GPIO3

GPI mode: (input) allows you to indicate to the module that the signal it is receiving

through the IP IN 1 input is not valid.

GPO mode: (output) indicates that the selected input in IP OUT 1 is invalid.

Preset mode: (input) recalls PRESET 3.

Redundant IP TX Mode: (output) indicates that the selected input at IP OUT 1 is

invalid.

3 GPIO4

GPI mode: (input) allows you to indicate to the module that the signal it is receiving

through the IP IN 1 input is not valid.

GPO mode: (output) indicates that the selected input in the IP OUT 2 output is

invalid.

Preset mode: (input) recalls PRESET 4.

Redundant IP TX Mode: (output) indicates that the selected input at IP OUT 2 is

invalid.

2 GPIO5

GPI mode: (input) not used.

GPO mode: (input) not used.

Preset mode: (input) recalls PRESET 5.

Redundant IP TX mode: (input) not used.

1 GND Ground connection.

Before connecting these signals please consult the maximum values shown in the

specifications section. Never connect dangerous potentials to GPIO inputs.

Albalá Ingenieros | Manual AGW3000C01

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 strongly recommended to use high quality connectors from

well known manufacturers.

All coaxial cable used must be Belden 8281 or similar. This type provides the greatest

lengths because it is used to calculate the equalizers in the AGW3000C01. Cables

carrying signal between the module and the devices should use single piece

construction, avoiding spliced sections with double BNC female or barrel connectors.

If it is necessary to split the cable into two sections the same type of wire should be

used in both sections.

The use of analog video coaxial cables (RG-59 type or similar) is not recommended for

digital video except for very short distances.

Albalá Ingenieros | Manual AGW3000C01

4. OPERATION

This section describes the significance of the front panel indicators of the AGW3000C01

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 AGW3000C01

The meaning of each LED is explained as follows:

Albalá Ingenieros | Manual AGW3000C01

In the INPUT FAIL/ETHERNET box:

ASI IN 1,

ASI IN 2,

IP IN 1,

IP IN 2: Red. These LEDs light up to indicate errors for the corresponding input.

They light up continuously when no signal is present, when the frame

synchronization fails or when the megaframe synchronization fails (this

last error is only in DVB-T mode) or when an external error has been

signaled via GPI.

These LEDs remain off if no errors are present or if the corresponding

input is disabled.

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.

In the INPUT SELECTION box:

ASI IN 1,

ASI IN 2,

IP IN 1,

IP IN 2: Green. These LEDs indicate which input TS is being delivered to each

output (ASI OUT 1, ASI OUT 2, IP OUT 1 e IP OUT 2).

SELECT: Pushbutton. This button is used for assignment of the inputs to the

desired outputs in manual mode. To select a given output this button

should be pressed for long periods until the LED of the selected input for

the desired output begins to blink. Then brief presses are used to select

the input that will be assigned to that output. To confirm the selection

simply stop pressing the button for a period of time or use long presses

until none of the LEDs in this box are blinking.

Changes made with this button are stored in non-volatile memory and

will be recalled in case of a power supply failure.

In the MODE/ALARM box:

AUTO,

HALF AUTO,

MANUAL: Green. These LEDs indicate which operating mode is selected.

STA. CHG.: Red. This LED blinks to indicate that one of the inputs has changed from

normal status to an error or vice versa or that any of the selected inputs

has changed.

SELECT/RESET: Pushbutton. When this button is pressed any changes that have occurred

in the error status or the selection status are noted and the previously

mentioned LED is turned off. Long presses of this button change the

operating mode: (AUTO, HALF AUTO or MANUAL).

Changes made with this button are stored in non-volatile memory and

will be recalled in case of a power supply failure.

Albalá Ingenieros | Manual AGW3000C01

4.2. Configuration from the front panel

The AGW3000C01 has three operating modes: automatic, semi-automatic and manual.

The operating mode is selected with long presses of the SELECT/RESET button in the

MODE/ALARM box on the front panel. The operating modes cycle in the following order:

automatic mode, semi-automatic mode and manual mode.

When in manual mode the input assigned to each output can be changed using the

SELECT button in the INPUT SELECTION box as described in the previous section.

4.3. Functional description

4.3.1. Operation in automatic mode

In this mode the AGW3000C01 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.

An error status is produced when no signal is present at a given input, when the

frame synchronization or megaframe synchronization (megaframe synchronization

only in DVB-T mode) is invalid or when the corresponding GPI for the given input is

connected to ground.

When an error at the input is produced the AGW3000C01 will only switch to a lower

priority input when that input is error-free.

In order to avoid unnecessary switching a recovery time parameter can be set that

forces the AGW3000C01 to wait for a given period of time after an input error is

cleared before switching to that input. The default recovery time is two seconds.

Each time there is a change of the error status of any input or of the input selected at

any output, the STAT. CHG. LED lights up accompanied by a beep. The LED stays lit

until the SELECT/RESET button in the MODE/ALARM box is pressed.

4.3.2. Operation in semi-automatic mode

This operating mode minimizes switching. The AGW3000C01 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 MODE/ALARM box on the front panel operate in the same

fashion as in automatic mode.

Albalá Ingenieros | Manual AGW3000C01

4.3.3. Operation in manual mode

Manual mode is useful for maintenance of the installation. The user selects the input

to be used and no switching will occur even if an error occurs in that input. Input

selection is stored in non-volatile memory and is recalled in case of a power supply

failure.

Selection of the input in manual mode is done using the SELECT button in the INPUT

SELECTION box on the front panel. Long presses are used to select the output to be

used and, once selected, the LED corresponding to the selected output will blink. Short

presses of the button cycles through the inputs that will be assigned to the selected

output. Note that if one or more inputs are deactivated then they cannot be selected

in this manner. However if the inputs are selected using the module's control

software then even deactivated inputs can be selected.

The elements within the ALARM box on the front panel operate in the same fashion as

in automatic mode.

4.4. Description of the TS over IP encapsulators/de-encapsulators

Several different protocols exist for encapsulation of DVB transport streams over IP.

•Protocol UDP: This is the simpler protocol that can be used, but it is the least robust.

UDP consists of grouping up to seven TS packets and transmitting them within one

UDP packet. This protocol does not detect dropped packets nor packets arriving out of

sequence.

•Protocol RTP: This protocol is similar to UDP with respect to the way in which packets

are grouped for transmission but adds a header that includes a continuity flag for

detection of dropped packets and packets received out of sequence along with a

timestamp to facilitate elimination of jitter introduced by the network. When using the

RTP protocol a single frame (FEC Type A) or two frames (FEC Type B) of auxiliary data

can be sent in order to correct errors or dropped packets. When using the RTP protocol

the AGW3000C01 can be configured to substitute dropped and non-recoverable

packets of the TS with null packets.

4.5. System latencies

When transporting DVB frames over ASI interfaces the latency introduced due to

serialization and de-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

modules within the AGW3000C01:

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Albalá Ingenieros AGW3000C01 User manual

Brand: Albalá Ingenieros

Model: AGW3000C01

Type: User manual

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