ERECA STAGE RACER 2 Manuale utente

ERECA, 75 rue d'Orgemont, 95210 Saint Gratien, France T: +33 1 39 89 76 23 W: ereca.fr

SR2 Installation Manual EN

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STAGE RACER 2

INSTALLATION MANUAL

ERECA, 75 rue d'Orgemont, 95210 Saint Gratien, France T: +33 1 39 89 76 23 W: ereca.fr

SR2 Installation Manual EN

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CONTENTS

1DETAILED DESCRIPTION..........................................................................3

1.1 Small form factor / Integration ...................................................................... 3

1.2 Connectors location...................................................................................... 4

1.3 Interfaces Description/ Ports Mode............................................................... 5

1.3.1 General Purpose IN ........................................................................................5

1.3.2 General Purpose OUT ....................................................................................6

1.3.3 Analog AUDIO.................................................................................................7

1.3.4 AES / MADI.....................................................................................................8

1.3.5 AoIP DANTE / AES-67....................................................................................8

1.3.6 SDI Embedding / De-Embedding....................................................................8

1.3.7 Serial ports......................................................................................................9

1.3.8 Ethernet ports/ Mode.......................................................................................10

1.3.9 Admin port.......................................................................................................10

1.3.10 Genlock/Composite VIDEO port ...................................................................10

1.3.11 SDI VIDEO ports...........................................................................................11

1.3.12 OPTICAL transmission ports.........................................................................11

1.4 Visualisation................................................................................................. 13

1.4.1 General Status ................................................................................................13

1.4.2 Trunks .............................................................................................................13

1.4.3 Expansion........................................................................................................14

1.4.4 Video Status Leds...........................................................................................14

1.4.5 Serial and IP....................................................................................................14

1.4.6 AUDIO.............................................................................................................15

1.4.7 GPIO ...............................................................................................................15

1.4.8 OLED Display..................................................................................................16

1.5 Optional Connectors..................................................................................... 17

1.5.1 Description ......................................................................................................17

1.5.2 RS422 option pinout........................................................................................17

2TECHNICAL SPECIFICATIONS..................................................................18

2.1 Main Hardware............................................................................................. 18

2.2 Options......................................................................................................... 19

Further information is available in the Stage Racer2 Technical Manual.

Please contact us for a copy.

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1 DETAILED DESCRIPTION

1.1 SMALL FORM FACTOR / INTEGRATION

The Stage Racer 2 is a 1RU rack solution ideally designed for space restricted installations. Chassis depth is

330mm excluding connectors.

The Stage Racer 2 benefit from a very well-studied thermal conception and can operate from -20°C to +60°C.

The internal fans speed is automatically adjusted depending on the internal motherboard temperature. At room

temperature, the fans run at minimal speed allowing the Stage Racer 2 to be used in a quiet environment.

For field application a 4 to 5 RU fly case integration offers sufficient room for properly expending all the

connections on panel BNC and XLR sockets.

Care should be taken regarding heat accumulation when proceeding to a flight case or any closed container

integration. It is important to understand the airflow of the unit and not to obstruct the air inlet and outlet located

on the side of the unit (see drawing below).

If space is limited, it is more important to allow more space for the air outlet using a small grille located in

regard of the stage racer exhaust grille.

Alternatively, a forced air cooling of the flight case would be sufficient as well.

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1.2 CONNECTORS LOCATION

The Stage Racer 2 provides signals, optical and power connectors on the rear panel. Optional Serial

connectors and optional DC power are fitted on the visualization panel.

•

Rear connectors

•

Front connectors (For Serial and DC Power options)

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1.3 INTERFACES DESCRIPTION/ PORTS MODE

This section includes the pinout for all electrical access and describes protocol audio interfaces such as MADI /

SDI embedded Audio / Dante. For SDI, MADI and Ethernet the input process is also described in this section in

order to keep concise documentation.

1.3.1 General Purpose IN

For forward product compatibility the GP IN section is split on two kind of connectors.

Inputs 1 and 2

are shared with each Serial signal transmission RJ 45 terminal, labeled "Serial/Gpio". These

inputs are protected by an opto-coupler but are not floating; a grounding on the input pin triggers the GP-IN.

1: GND

2: GP IN

3: RX RS 422 –or RX RS 232

4: TX RS 422 –or TX RS 232

5: TX RS 422 +

6: RX RS 422 +

7: GP OUT

8: GP OUT

Inputs 3 to 8

are on one D-SUB 15 terminal female socket. Inputs are independent and electrically isolated by

opto-couplers. Each input is non-polarised and feature an automatic 5mA current limitation working with an

input voltage of 5 to 24 volts. The wiring polarity does not matter in this case.

Ground and power pins are available on the connector to ease interfacing with others machines especially if a

dry contact, open connector or ground closure supplies the information.

The 12 volts output of the Stage Racer 2 is protected against external short circuit by an internal 100mA

resettable fuse (polyswitch) common to the GPI and GPO sockets.

GP IN

N°

SIGNAL

Socket

contact

D SUB 15

GP IN

Socket

contact

SIGNAL

GP IN 3a

815

GP IN 3b

GP IN 4a

GP IN 4b

GP IN 5a

GP IN 5b

GP IN 6a

GP IN 6b

GP IN 7a

GP IN 7b

GP IN 8a

GP IN 8b

GND (0V)

+ 12V 100 mA

GND (0V)

Example: GP IN 3 (with dry contact, ground closure, open collector drive).

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1.3.2 General Purpose OUT

For forward product compatibility the GP OUT section is split on two kind of connectors.

Outputs 1 and 2

are shared with each Serial signal transmission RJ 45 terminal, labeled " Serial/Gpio ". These

outputs are on floating dry contact relays with 50 Volts AC/DC and 0.25A switching capacity.

The relay is open if the corresponding remote input is not triggered.

1: GND

2: GP IN

3: RX RS 422 –or RX RS 232

4: TX RS 422 –or TX RS 232

5: TX RS 422 +

6: RX RS 422 +

7: GP OUT

8: GP OUT

Outputs 3 to 8

are on one D-SUB 15 terminal female socket. These outputs are also on floating dry contact

relays with 50 Volts AC/DC and 0.25A switching capacity. The relay is also open if the corresponding remote

input is not triggered.

Ground and power pins are available on the connector to ease interfacing with others machines especially if

the driven machine need a voltage information rather than a contact closure.

The 12 volts output of the Stage Racer 2 is protected against external short circuit by an internal 100mA

resettable fuse (polyswitch) common to GPI and GPO sockets.

Relay

N°

SIGNAL

Socket

contact

D SUB 15

GP OUT

Socket

contact

SIGNAL

GP OUT 3a

815

GP OUT 3b

GP OUT 4a

GP OUT 4b

GP OUT 5a

GP OUT 5b

GP OUT 6a

GP OUT 6b

GP OUT 7a

GP OUT 7b

GP OUT 8a

GP OUT 8b

GND (0V)

+ 12V 100 mA

GND (0V)

Each GPI can be affected to one or Multiple GPO by using the GPIO routing grid of the Stage racer 2.

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1.3.3 Analog AUDIO

1.3.3.1 Pinout

One D-SUB 37 pin female socket provides the access to the 16 balanced analog AUDIO IN.

One D-SUB 37 pin female socket provides the access to the 16 balanced analog AUDIO OUT.

SIGNAL

Socket

contact

D SUB 37

AUDIO

In/Out

Socket

contact

SIGNAL

AUDIO 1 +

120

19 37

AUDIO 1 -

AUDIO 2 +

AUDIO 2 -

AUDIO 3 +

AUDIO 3 -

AUDIO 4 +

AUDIO 4 -

AUDIO 5 +

AUDIO 5 -

GND

AUDIO 6 +

AUDIO 6 -

AUDIO 7 +

AUDIO 7 -

AUDIO 8 +

AUDIO 8 -

AUDIO 9 +

AUDIO 9 -

AUDIO 10 +

AUDIO 10 -

GND

AUDIO 11 +

AUDIO 11 -

AUDIO 12 +

AUDIO 12 -

AUDIO 13 +

AUDIO 13 -

AUDIO 14 +

AUDIO 14 -

AUDIO 15 +

AUDIO 15 -

GND

AUDIO 16 +

AUDIO 16 -

It is possible to set a -30dB attenuator on each individual output from the web interface.

1.3.3.2 Audio Mic gain (optional module)

The gain blocks are connected to channels 9 to 16.

Thru the web server each input 9 to 16 can be amplified independently with a gain

ranging from 9 to 60 dB (3dB steps) with or without Phantom power supply.

If the gain on a channel is not desired the gain block can be totally bypassed and

the input recovers the line input level.

The phantom power capacity is 10mA for each channel.

Caution: Beware of the input phantom power, after switching off the phantom power

the 48Volts will still be present for few seconds on the inputs, time needed by the

inputs capacitor to discharge thru the internal discharge resistor.

Note: The Mic gain board can be fitted afterwards.

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1.3.4 AES / MADI

Digital audio is available on true 75 Ohms BNC sockets.

The total capacity of the Stage Racer 2 is 4 simultaneous bidirectional AES signals. Thru the web server, the

AES 3 and 4 can be disabled to allow for MADI.

Caution: Avoid connecting 50 ohms plugs it will damage the socket central pin causing costly repair especially

if this one is on the lower part of the connector side.

1.3.4.1 Bidirectional AES

Each AES port is internally equipped with a 2-4 wire converter connected to transmit a fully bidirectional path to

any distant AES port of the Stage Racer 2 network. It appears in the AES audio grid of the network.

This allow to interconnect talkback panels working in a bidirectional manner on one 75 Ohms coax. The ports

still can be used without configuration to transport unidirectional signal, no setup needed for channel direction.

Note1: For the internal 2-4 wire converter correct behavior the source/terminal impedance of the machine

connected to the AES ports must be 75 Ohms.

Note2: The bidirectional function of the device constraint the design specially to provide an accurate AES

activity led display and avoid signal loop if port impedance is not 75 ohms. The internal FPGA seeks for AES3

audio XYZ preamble at 48KHz to light the corresponding AES Led and enable transmission in this direction.

1.3.4.2 MADI

When selected through the web server, MADI can be transmitted and port 3 become MADI input and port 4

become MADI output.

Stage racer 2 offers 2 principles for MADI transmission described below.

Cf. technical manual for more precisions

1.3.5 AoIP DANTE / AES-67

The AoIP board Dante / AES-67 is an optional hardware module provided by Ereca, which provides 64

channels in and out.

To quickly check if you unit is equipped with it, connect to the

web server, go “Graph”, “Tree view”on the left, select the

“SR2 node”, then “Dante”.

You should see “Dante-IN & OUT BRKLYN-II”.

Cf. technical manual for more precisions

1.3.6 SDI Embedding / De-Embedding.

Cf. technical manual for more precisions

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1.3.7 Serial ports

Two multiprotocol RS232/422/485 serial signals are transmitted in standard by the equipment.

The supported data rate of each signal is about 500Kbds.

The setting of the serial protocol is done within the web server of the Stage Racer 2.

1.3.7.1 RS422/485

The RJ 45 connector provide 1 differential pair for RS422 transmission and 1 differential pair for RS422

reception.

To build a half-duplex RS485 transmission, just bridge “pin 3 with pin 4”and “pin 5 with pin 6”.

For RS485, setup the corresponding Baud rate within the web server to enable the Stage Racer 2 to manage

the output impedance at the right serial byte duration.

Connect the Shield to pin 1.

1: GND (Shield)

2: GP IN

3: RX RS 422 –(Stage Racer 2 electrical OUTPUT)

4: TX RS 422 –(Stage Racer 2 electrical INPUT)

5: TX RS 422 + (Stage Racer 2 electrical INPUT)

6: RX RS 422 + (Stage Racer 2 electrical OUTPUT)

7: GP OUT

8: GP OUT

Note: For RS 485 Telex/RTS talkback panels please ask ERECA for wiring tip.

1.3.7.2 RS232

Refer The RS 232 signal ground to pin 1. Leave pins 5 and 6 unconnected.

1: GND (Ground ref/Shield)

2: GP IN

3: RX RS 232 –(Stage Racer 2 electrical OUTPUT)

4: TX RS 232 –(Stage Racer 2 electrical INPUT)

5: Do not connect

6: Do not connect

7: GP OUT

8: GP OUT

Those serial ports appear in the RS232/422/485 grid and are connectable in a peer 2 peer manner.

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1.3.8 Ethernet ports/ Mode

The Stage Racer 2 offers 2 independent Gigabit Ethernet ports, which can either be isolated or connected

together through an internal switch. Setting is done in the web GUI.

- When they are isolated, they behave like two completely separate ports which enables to create totally

independent Peer to Peer connections over the Stage racer 2 network.

- When the ports are connected, they can communicate with each other through an internal switch. Thus, it

allows to create a distributed switch along the Stage racer 2 network in a daisy chained manner.

Note: The extremity nodes of the daisy chain can be isolated or connected. If they are isolated the remaining

port can be used to create another separate network connection.

Note1: The Dante board is available on port IP-1 only.

Note2: Port speed is 10/100/1000Mbs Autosense and support straight or crossed cables.

1.3.9 Admin port

The Stage Racer 2 is equipped with a dedicated admin port to access the web interface. Port speed is

10/100Mbs Autosense and support straight or crossed cables.

The IP of the machine can be found using the navigation buttons next to the LCD INFO screen.

Firefox browser is recommended for Gui usage.

1.3.10Genlock/Composite VIDEO port

This port supports Composite PAL, SECAM & NTSC / Black Burst / Tri-level sync compatible is transmitted thru

the Stage Racer 2 via the G/L port.

In a Stage Racer 2 network, the G/L port is direction switchable and work as follows: when the Genlock port

direction is set to input on a particular unit, the direction of all the other Genlock ports of all units connected to

the network will automatically be set to output. Then genlock is distributed to all the machines over the network.

Composite video is carefully processed with Minimal latency and high-quality process with +/-3dB AGC input,

2x over sampling and 10 bits digital filtering and transmission is provided for this signal.

Internally each machine extracts Video and Audio genlocked clocks for frame buffering purposes.

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