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BEL DIGITAL AUDIO Bel2120B

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2004 BEL Digital Audio Ltd.

16

AES I/O
Pin 1 Ch1/2 + Out Pin 9 GND
Pin 2 Ch1/2 -Out Pin 10 GND
Pin 3 Ch3/4 +Out Pin 11 GND
Pin 4 Ch3/4 - Out Pin 12 GND
Pin 5 Ch1/2 + In Pin 13 GND
Pin 6 Ch1/2 - In Pin 14 GND
Pin 7 Ch3/4 + In Pin 15 GND
Pin 8 Ch3/4 +-In
RS422 IN
Pin 1 Chassis Pin 6 GND
Pin 2 Tx -  Pin 7 Tx +
Pin 3 Rx +  Pin 8 Rx -
Pin 4 GND  Pin 9 Chassis
Pin 5 GND

RS422 OUT
Pin 1 Chassis Pin 6 GND
Pin 2 Rx -  Pin 7 Rx +
Pin 3 Tx +  Pin 8 Tx -
Pin 4 GND  Pin 9 Chassis
Pin 5 GND

It is recommended that, where possible, all cables be good quality screened
twisted pairs with the screening braid connected to pin 1 on the XLR connector.
Optimum performance is obtained using double screened cable with separate ground
returns. It is also recommended that 360 degree connection be made to the screening
braid on the BNC connectors. Screened ‘D’ type connectors are also recommended.

EMC compliance

The BEL 2120 was designed and tested to comply with the EMC directive
numbers EN55103, EN55022 and EN55082-1 when used as directed.

CE

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Содержание 2120B

Страница 1: ...Bel 2120B Analogue AES SDI Shuffler User s Guide Version 1 0 06 05 04 ...

Страница 2: ...ment which is nevertheless supplied for information purposes only and does not constitute any form of warranty or guarantee All trademarks acknowledged The information in this document is subject to change without notice Bel Digital Audio Ltd Unit 3 Horwood Court Bletchley Milton Keynes Bucks MK11RD Tel 01908 641063 Email info beldigital com Web www beldigital com ...

Страница 3: ... jack 7 FIG 1 1 BEL 2120B FRONT PANEL 8 FIG 1 2 BEL 2120B REAR PANEL 8 OPERATION 9 Matrix mode operation 9 Mixer mode operation 10 SETUP 11 Page 1 Memory functions 11 Page 2 Mode selection 11 Page 3 Headphone monitor source selection 11 Page 4 Input source selection 12 Page 5 SDI group selection 12 SDI output select 12 Analogue output select 13 AES output select 13 SDI video standard select 13 Ing...

Страница 4: ...s 15 Pin Connections 15 EMC compliance 16 Specification Bel Model 2120B 17 SDI I O 17 Analogue Inputs 17 Analogue outputs 17 AES EBU Digital I O 17 General 17 The Bel2120B Serial Protocols 18 Overview 18 Frame format 18 Commands 19 General data format 20 APPENDIX A 21 2120B operational description 21 ...

Страница 5: ...to any output In the Mixer mode any combination of inputs can be selected mixed and directed to any output See operational detail Inputs The inputs accepted by the Bel2120 are organized in pairs Input pairs from analog AES or SDI any group can be accepted Input Levels In either mode gain can be applied to the selected inputs before redirection or mixing The gain can be adjusted over the range 10 t...

Страница 6: ...ains and phase reversal settings for each input Memory number State of the FAD MAT BYP and LOCK switches Nudge up down These buttons are used to adjust input gains when the default screen is visible and the value of parameters within the setup menus SET This key will enter the setup menus See setup section for details of this operation Input Output Two horizontal rows of switches control the input...

Страница 7: ...ignment will not be made until the MAT switch is activated BYP This switch will activate an electronic bypass and is a combination of FAD and MAT No gain adjustment or redirection of the inputs occurs when the character B is shown in inverse video on the right hand side of the LCD display LOCK When the unit is locked all the front panel keys except LOCK are inoperative To release the keys press an...

Страница 8: ...BEL DIGITAL AUDIO Bel2120B 2004 BEL Digital Audio Ltd 8 Fig 1 1 Bel 2120B Front panel Fig 1 2 Bel 2120B Rear panel ...

Страница 9: ... input switch 4 is extinguished Then select the OUTPUT required by depressing the appropriate numbered switch on the lower horizontal row The output selected will be indicated by a solid line on the matrix on the LCD display the current input channel associated with this output is indicated by the LED If required the input channel can now be changed by depressing the required switch on the upper r...

Страница 10: ...ED to the right of input switch 4 is active Then select the output required by depressing the appropriate numbered switch on the lower horizontal row The page corresponding to the output selected will be shown on the LCD display the current input channel is indicated by the corresponding LED and on the LCD If required the input channel for adjustment can now be changed by depressing the required s...

Страница 11: ...ossible to browse the states of the 8 memories by pressing the input and output selection switches Input switches 1 to 4 will display the memory settings 1 to 4 output switches 1 to 4 will display the memory settings 5 to 8 The memory setting are merely displayed up to this point to activate a particular memory first select the required number as described above and then hit the same switch a seco...

Страница 12: ...input source using the keys to return to the input 1 2 source press the input 1 key Page 5 SDI group selection The input and output SDI group can be selected here To select an output group press the SET key and then make a selection to return to the input group selection press the input 1 key The 2120 can accept SDI inputs on one group and embed outputs on another The incoming embedded audio can b...

Страница 13: ...nected to either the Shuffler inputs or outputs and this can be selected here Depress the 1 input button to return to analog select SDI video standard select The SDI de multiplexer can accept PAL or NTSC video standards These can be selected here Ingroup deletion The incoming group selected by the shuffler can be deleted or retained This facility can be selected here If the incoming and outgoing g...

Страница 14: ...will not time out to give the opportunity for setting levels Output levels Analogue output gain adjustment The left hand half of the LCD display carries an indication of the level of the outputs from the Shuffler The right hand half of the screen allows the ANALOGUE OUTPUT GAIN to be adjusted This setup menu item will not time out to give the opportunity for setting levels Communications address T...

Страница 15: ...sion Rear Panel Connectors From the left these are Analogue inputs upper 15 way D female Analogue outputs lower 15 way D female SDI input BNC 75ž SDI output BNC 75ž AES I O 15 way D female RS422 in serial Port 9 Pin D female RS422 out serial Port 9 Pin D female Mains power 230 115VAC IEC 3 Pin A mains switch and fuseholder 230V 250mA 115V 500mA Pin Connections Audio inputs Pin1 Ch1 Pin 9 GND Pin 2...

Страница 16: ... 2 Rx Pin 7 Rx Pin 3 Tx Pin 8 Tx Pin 4 GND Pin 9 Chassis Pin 5 GND It is recommended that where possible all cables be good quality screened twisted pairs with the screening braid connected to pin 1 on the XLR connector Optimum performance is obtained using double screened cable with separate ground returns It is also recommended that 360 degree connection be made to the screening braid on the BNC...

Страница 17: ...Hz Bandwidth 20Hz to 20kHz 0 5dB Input impedance 25kΩ differential Analogue outputs Outputs 4 Channels Differential D A 24 bit Level 6dB out for 9 dB digital in Max 15dB Output impedance 50Ω Noise 110dB wrt Max output Audio precision weighted 20Hz to 20kHz Bandwidth 20Hz to 20 kHz 0 5dB Monitor output 2 channel analogue with source selector min 8Ω AES EBU Digital I O Input 2 pairs AES EBU 32 to 50...

Страница 18: ...g 0XAA may be sent at any time If sent during a frame this will effectively cause the frame to restart Destination Address This should be set to the same as the comms address for the target 2120 This will be returned by the remote unit as the source address Source Address This should be set to 1 for 2120 This will be returned by the remote unit as the destination address Command This character is ...

Страница 19: ...end 16 input gains Data count 16 then 16 gain values as below ACK 8E Request 16 input gains ACK then CE 8F Send general data Data count 6 then data as below ACK 90 Request general data ACK then D0 91 Send output gains Data count 4 then 4 gain values ACK 92 Request output gains ACK then D2 93 Send 1 input gain value Data count 1 then input number and then gain value ACK 94 Send mode Data count 1 th...

Страница 20: ...Left monitor source Remote Lock Byp Mat Fad Byte 3 Msb of bit 4 Output SDI group Msb of bit 2 Input SDI group Msb of bit 0 Right monitor source Byte 4 Msb of bit 3 3 4 Input source Msb of bit 0 1 2 Input source Byte 5 Xfade SDI 3 4output source SDI 1 2 output source Dual mode Mat mix mode Analogue output source AES output source it 6 Bit 5 B t 4 Bit 3 Bit 2 Bit 1 Bit 0 Gain value format The data s...

Страница 21: ...inputs not on the outputs as shown on the LCD Inversion is also done on the inputs not outputs As there is only one input routed to each output whether the level is set on input or output would seem to be academic However the effect of this can be seen by selecting one output and then setting different levels for each input Changing the input select for this output then restores the set level valu...

Страница 22: ...BEL DIGITAL AUDIO Bel2120B 2004 BEL Digital Audio Ltd 22 Fig 2 1 ...

Страница 23: ...BEL DIGITAL AUDIO Bel2120B 2004 BEL Digital Audio Ltd 23 Fig 2 2 ...

Страница 24: ...Bel 2000 series Remote controller User s Guide Version 1 0 03 02 05 ...

Страница 25: ...in this document which is nevertheless supplied for information purposes only and does not constitute any form of warranty or guarantee All trademarks acknowledged The information in this document is subject to change without notice Bel Digital Audio Ltd Unit 3 Horwood Court Bletchley Milton Keynes Bucks MK11RD Tel 01908 641063 Email info beldigital com Web www beldigital com ...

Страница 26: ...n 5 Mixer mode operation 5 Dual mode operation 5 FRONT PANEL SWITCH FUNCTIONS 6 Mix Quad and Dual 6 Lock 6 Default 6 Live 6 Unit 6 Prog 6 Invert 6 Cross point switches 7 Fader In Out 7 Mute 7 Faders 7 Menu select 7 Note 7 Fig 1 0 Bel Remote controller front panel 8 Connections 9 GPI socket 9 RS422 socket 9 Power supply socket 9 Specification 10 EMC compliance 11 ...

Страница 27: ...memory of its own Except the last accessed address In this way the remote will always follow the settings of the target processor currently addressed The remote can operate in one of three modes Matrix Mix or Dual These are described below Matrix mode operation This mode is selected by depressing the quad button The remote will send a mode change command to the target and then upload all the targe...

Страница 28: ...tton it allow the inputs and outputs to track as two stereo pairs The remote will send a mode change command to the target and then upload all the target s dual mode settings The current matrix selections will be shown on the LED indicators in the matrix switches any inversions will be indicated on the relevant switches The faders will be driven to a position corresponding to the level associated ...

Страница 29: ...effect on the target When required the settings can be downloaded to the target by depressing the take key The remote will then return to live mode Unit This switch is used to select the target address Depressing this key will cause the current address to be shown on the LCD in inverse video Turning the rotary encoder will then change the address To connect to the a target processor press either t...

Страница 30: ...rotary encoder enters this mode The LCD will display the model number of the currently connected target processor A list of setup parameters is also displayed and rotating the encoder can access these When the required parameter is within the box on the display a second press of the encoder causes the current value of that parameter to be displayed in inverse video the value can then be adjusted b...

Страница 31: ...BEL DIGITAL AUDIO BEL 2000 Series Remote Controller 2004 BEL Digital Audio Ltd 8 Fig 1 0 Bel Remote controller front panel ...

Страница 32: ...nd from left to right these are GPI socket This connector is not used on the remote controller RS422 socket This is a 9 way D type connector and has the pin connections Pin 1 Chassis Pin 6 GND Pin 2 Rx Pin 7 Rx Pin 3 Tx Pin 8 Tx Pin 4 GND Pin 9 Chassis Pin 5 GND Power supply socket This is a three pin connector to receive a 9 Volt DC 1 5 Amp power supply Supplied The pin connections are ...

Страница 33: ...ries Remote Controller 2004 BEL Digital Audio Ltd 10 Specification RS422 format 9 6kBaud 1 stop bit no parity Serial protocols See Bel2120 manual Requires Bel2120b or Bel 2140 version 2 0 or later Power supply Volts DC at 1 5 Amps ...

Страница 34: ...n 1 on the XLR connector Optimum performance is obtained using double screened cable with separate ground returns It is also recommended that 360 degree connection be made to the screening braid on the BNC connectors Screened D type connectors are also recommended EMC compliance The BEL 2120 was designed and tested to comply with the EMC directive numbers EN55103 EN55022 and EN55082 1 when used as...

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