Related Manuals for pro bel 4407
Summary of Contents for pro bel 4407
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Page 1: Table Of Contents
4407 Digital Audio Sample Rate Converter Contents Introduction Installation Signal I/O Configuration Setting reference termination options Selecting the output sample rate Setting local/remote gain modes Setting audio modify options RS485 serial control Setting the multi-drop address Electrical parameters Four wire and two wire operation... - Page 2 4407 Issue 2...
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Page 3: Introduction
Digital Audio Sample Rate Converter Introduction The 4407 is a eight output AES3 digital audio synchroniser/converter. It is designed to synchronise non-synchronous digital audio when locked to a AES11 reference. It will also sample rate convert from any valid digital audio signal in the range 32kHz to 54kHz to one of the available output sample clock rates;... - Page 4 4407 DIGITAL AUDIO Reference REFERENCE Processor Reference error Reference error Receiver AES 3 Synchroniser/ 8 AES INPUT Rate Converter OUTPUTS Regenerator Input error POWER DC POWER AND COSMOS STATUS DATA STATUS The 4407 digital audio sample rate converter Issue 2...
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Page 5: Installation
POLL POWER The 4407 digital audio reframer with the 5288 sub-module The 4407 is supplied with the 5528 sub-module fitted at the factory. In the unlikely event that the sub-module needs to be removed and refitted proceed as follows: ·... -
Page 6: Signal I/O
4407 Signal I/O The K4407.3U panel is equipped with BNC connectors for unbalanced digital audio, whilst the K4407.2B panel is equipped with a 25 way ‘D’ type connector for balanced digital audio. Both panels have a 15 way ‘D’ connector for control and AES balanced input. - Page 7 4407 Digital Audio Sample Rate Converter K4407 Signal I/O (K4407.3B) Function Function O/P1- O/P5- O/P1+ O/P5+ O/P2- O/P6- O/P2+ O/P6+ AES REF IN- AES REF IN+ O/P7- O/P3- O/P+ O/P3+ O/P8- O/P4- O/P8+ O/P4+ The K4407.2B rear panel for balanced I/O...
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Page 8: Configuration
Selecting reference termination options The jumpers to select AES input termination are located on the main 4407 module. The available options are explained in the following table: AES input termination modes PL3 settings (4407) - Page 9 4407 Digital Audio Sample Rate Converter The jumper (PL9) to select the AES reference termination values is located on the 5288 sample rate converter sub-module itself. The available selections are as follows: AES reference termination values PL9 settings (5288) Description...
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Page 10: Selecting The Output Sample Rate
4407 Selecting the output sample rate The output sample rate is selected with SW2-1 and SW2-2 as described in the following table: 4407 sample rate options SW2-2 SW2-1 Sample rate 44.1KHz 32KHz 48KHz 48KHz VIDEO LOCK LOW REF SW1-1 SW1-2... -
Page 11: Setting Local/Remote Gain Modes
4407 Digital Audio Sample Rate Converter Setting local/remote gain modes The local or RS485 remote gain control is selected by 5288 jumper PL1. Setting PL1 to ’0’ enables PL3 to select either an external fader or the on-board potentiometer, RV1 to control AES gain. -
Page 12: Setting Audio Modify Options
4407 Setting audio modify options The audio modify features of the module are set with 5288 jumpers PL10, 11 and 12 as described in the following table: Audio modify options Function PL10 PL11 PL12 Stereo (normal mode – no modify) -
Page 13: Rs485 Serial Control
The RS485 controlling unit may set gain, automatic fades of various rates, reset and monitor the status of each card individually. Gain is automatically restored to 0dB after a power-on reset. Assign a 4407 module to RS485control by placing PL1 on the 5288 sub-module to the ‘1’ position: FADER... -
Page 14: Setting The Multi-Drop Address
4407 Setting the multi-drop address Each module may be assigned a unique multi-drop address using SW1 on the 5288 sub-module, to operate over the RS485 communication protocol as described in the following table Multi-drop address, SW1 Hex address F(15) E (14) -
Page 15: Electrical Parameters
RS485 compatible. The group poll uses this feature. Four wire and two wire operation The 4407 is a full duplex four wire device. However due to the workings of the multi- drop communication protocol where the controller initiates data flows, the 4407 can... -
Page 16: The Link Layer Protocol
The following MD headers may be transmitted to the 4407 by a controller F3 - Send device data This is followed by a device address and any command message for the 4407. F4 - Device data request This is followed by a device address. The device must respond with a single byte of data. -
Page 17: Bytes Transmitted
- byte 1 : hex FD Causes the 4407 card to reset to the power up condition which is fader at the top and unity gain. Bytes transmitted The following data bytes are transmitted by the 4407 after a panel poll from the link layer has been issued by the controller. - Page 18 4407 transition status - 00 11ABCD These are status bits indicating the current fade action. All bits are active when they are high. · A = fading down · B = fading up · C = fade at bottom ·...
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Page 19: Protocol Examples
Byte 58 and 60 form together to report the output level gain of 0db (unity gain). Note: This is the status of the 4407 card after a reset command, on power-up and when the comms reset button is pushed. - Page 20 4407 Set fade Controller Description Device response F4 09 Request data from panel 9 F3 09 20 00 Fast fade down for panel 9 F4 09 Request data from panel 9 F3 09 21 05 Fade up in one second...
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Page 21: Status Monitoring
In addition, the module is programmed with the following information, which can be read by the status monitoring controller: · Module type · Module bar code · Module issue no For further details of the Pro-Bel status monitoring system please refer to the COSMOS status monitoring manual. Technical Manual... -
Page 22: Trouble Shooting
4407 Trouble shooting The green card edge POWER LED is not lit · check the PSU indicator to confirm that there is power to the frame · check the resettable fuses protecting the card - do this by removing the power to the card for about 30 seconds then restoring the power ·... - Page 23 Note: It is recommended to employ a common AES11 reference for all digital audio equipment if accurate phasing to station signals is required throughout a facility. The 4407 should meet the timing requirements of AES11 under these conditions. 4407 Status indicators...
- Page 24 4407 5288 status indicators LED label Meaning when lit NO REF Lights red when I/P 1 is not present or when channel 1 error flag (ERF) is set Lights green if +5V rail is present PL10 PL10 SYSTEM 5288 status indicators...
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Page 25: Specification
4407 Digital Audio Sample Rate Converter Specification Inputs (signal) Number and type: 1, balanced, transformer coupled to AES3-1992 or unbalanced to AES3-id including SPDIF Termination: High, 75W or 110W Inputs (reference) Number and type: 1, balanced, transformer coupled to AES11-1997 or... - Page 26 4407 Remote control Number and type: RS485 @38.4kBaud, 4 or 2 wire duplex multi-drop bus for gain control, automatic fading and remote status monitoring, 8 data bits, 1 stop bit, even parity Impedance: Selectable for 110W or bridge Temperature range Operating: 0°...
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Page 27: Ordering Information
4407 Digital Audio Sample Rate Converter Ordering Information ICO-4407-2B00 Digital Audio Sample Rate Synchroniser, balanced I/O, 20 mm ICO-4407-3U00 Digital Audio Sample Rate Synchroniser, unbalanced I/O, 30 mm Technical Manual...
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