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R&S GB4000V Audio Unit

User Manual 6174.7514.02 - 02

50

External audio mode

The state of the instructor microphone in relation to the three possible PTT sources is
shown below. The state of the controller microphone and external microphone is given
in two independent tables.

Instr. PTT = 0

Instr. PTT = 1

Ctrl. PTT = 0

Ext. PTT = 0

Microphone Off

Microphone On

Ctrl. PTT = 0

Ext. PTT = 1

Microphone Off

Microphone On

Ctrl. PTT = 1

Ext. PTT = 0

Microphone Off

Microphone On

Ctrl. PTT = 1

Ext. PTT = 1

Microphone Off

Microphone On

Table 25: Instructor microphone logic for the PTT instructor.

The state of the controller microphone in relation to the three possible PTT sources is
shown below. The state of the instructor microphone and external microphone is given
in two independent tables.

Ctrl. PTT = 0

Ctrl. PTT = 1

Instr. PTT = 0

Ext. PTT = 0

Microphone Off

Microphone On

Instr. PTT = 0

Ext. PTT = 1

Microphone Off

Microphone On

Instr. PTT = 1

Ext. PTT = 0

Microphone Off

Microphone Off

Instr. PTT = 1

Ext. PTT = 1

Microphone Off

Microphone Off

Table 26: Controller microphone logic for the PTT controller.

The state of the external microphone in relation to the three possible PTT sources is
shown below. The state of the instructor microphone and controller microphone is
given in two independent tables.

Ext. PTT = 0

Ext. PTT = 1

Instr. PTT = 0

Ctrl. PTT = 0

Microphone Off

Microphone On

Instr. PTT = 0

Ctrl. PTT = 1

Microphone Off

Microphone Off

Instr. PTT = 1

Ctrl. PTT = 0

Microphone Off

Microphone Off

Instr. PTT = 1

Ctrl. PTT = 1

Microphone Off

Microphone Off

Table 27: Controller microphone logic for the external PTT.

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Summary of Contents for GB4000V

Page 1: ...PAD T M 3574 3259 02 01 01 CI 1 EN R S GB4000V Audio Unit User Manual User Manual Radiocommunications Systems 6174 7514 02 03...

Page 2: ...Mongoose http www code google com p mongoose MIT Rohde Schwarz would like to thank the open source community for their valuable contribution to embedded computing The source code of the open source pa...

Page 3: ...s that the R S GB4000V audio unit fulfills the EMC guideline and the low voltage guideline of the European Union Furthermore it points out that the following technical standards are fulfilled DIN EN 6...

Page 4: ...pdate 31 3 9 Device Configuration via Web Interface 32 3 9 1 Factory Default Settings 32 3 9 2 Device Configuration 35 3 9 2 1 Content of the Web Interface 35 3 9 2 2 Setting Up Connection to the Web...

Page 5: ...R S GB4000V Audio Unit User Manual 6174 7514 02 02 3 5 Maintenance 56 5 1 Cleaning 56 6 Appendix 57 A Technical Information 57 A 1 Connector Specifications 57 B Drawings 65 C References 66...

Page 6: ...6 Figure 12 Front view of the R S GB4000V VAR03 27 Figure 13 Rear view 28 Figure 14 Status page 36 Figure 15 Configuration page 37 Figure 16 Configuration ACL page 38 Figure 17 Configuration VoIP page...

Page 7: ...guration VoIP 34 Table 13 Description of configuration interface of the R S GB4000V 35 Table 14 Meaning of settings of the Network group 40 Table 15 Meaning of settings of the Info group 40 Table 16 M...

Page 8: ...eration Malfunction Maintenance Technical Information Conventions Used in the Documentation The following conventions are used throughout the R S GB4000V User Manual Typographical conventions Conventi...

Page 9: ...DNS Domain Name System DSCP Differentiated Services Code Point ED EUROCAE Documents E M Earth Magnet Ear Mouth EMC Electromagnetic Compatibility EMI Electromagnetic Interference EN European Norm EURO...

Page 10: ...Comments RMS Root Mean Square effective value RTP Real time Transport Protocol RX Receiver R S Rohde and Schwarz SELV Safety Extra Low Voltage SETUP Setup SIP Session Initiation Protocol SP Speaker S...

Page 11: ...to any of up to nine channels using R S Series4200 radios via VoIP Key facts Compact design to minimize the space required in operator consoles Analog connection for use with all Rohde Schwarz radios...

Page 12: ...its in accordance with the standards of safety engineering The personnel must be familiar with this Manual 1 3 Required Power Supply The R S GB4000V operates on an external supply voltage of 19 V DC t...

Page 13: ...mounting plate with single board electronic headset connectors NF7 loudness control potentiometers and power supply Interfaces at the front 1x Headset Connector VAR02 VAR12 2x Headset Connector VAR03...

Page 14: ...N 60068 2 64 Shock 15 g peak 11 ms acc to EN 60068 2 27 Altitude 5000 m above sea level operation acc to DIN EN60068 2 13 10 000 m above sea level transport Ingress protection IPx4 for front panel Sup...

Page 15: ...R S GB4000V Audio Unit User Manual 6174 7514 02 02 13...

Page 16: ...ive refer to www rohde schwarz com for service 2 2 Packing Transport and Storage Prior to any transport carry out the following steps 1 Use the original package box etc and packaging material if possi...

Page 17: ...installation site With condensation allow at least 12 hours of temperature adjustment before starting up For storage observe the environmental data specified in chapter 1 5 2 3 Installation The sequen...

Page 18: ...R S GB4000V Audio Unit User Manual 6174 7514 02 02 16 Figure 3 Dimensions of panel cutout VAR02 03 Figure 4 Dimensions of panel cutout VAR12...

Page 19: ...in the corners of the front panel The unit is to be mounted according to IEC 60297 VAR02 03 Figure 5 Bore holes for fixture of the R S GB4000V When installing the unit ensure that existing sealing pr...

Page 20: ...nals 2 4 Cabling Read the relevant documentation for the equipment before attaching external devices Always take hold of the plug when pulling or connecting cables Do not pull on the cables All connec...

Page 21: ...n 6 X6 EXT SP Connector for external speaker max 5 W at 8 7 X7 USB USB connector reserved Table 2 Connections on the rear panel of the R S GB4000V 1 Establish a connection to ground e g via the 19 rac...

Page 22: ...re 7 External interface front view of the R S GB4000V VAR02 Item Connector Function 1 X1 HS CONTR Headset Controller Table 3 Connections on the front panel of the R S GB4000V VAR02 1 Connecting the he...

Page 23: ...re 8 External interface front view of the R S GB4000V VAR12 Item Connector Function 1 X1 HS CONTR Headset Controller Table 4 Connections on the front panel of the R S GB4000V VAR12 1 Connecting the he...

Page 24: ...2 Connecting the instructor headset including the PTT button using the connector X2 HS INSTR Note The PTT of the headset connected to X2 HS INSTR has a higher priority than the PTT of the headset con...

Page 25: ...No 6148 3444 02 When preparing the power cable the following should be observed Minimum cross section 0 2 mm 2 AWG 24 maximum cross section 2 5 mm 2 AWG 12 Imax 2 5 A Wire stripping length 7 mm Tighte...

Page 26: ...l 6174 7514 02 02 24 3 Operation 3 1 General Detailed information on how to operate the R S GB4000V will be given in the following chapters Using the headsets at a high volume setting for long periods...

Page 27: ...Volume Control X1 Volume Control for the headset connected to X1 HS CONTR 2 Volume Control Loudspeaker Volume Control for internal and external loudspeaker connected to X6 EXT SP Note It is possible...

Page 28: ...d to X1 HS CONTR 2 Volume Control Loudspeaker Volume Control for internal and external loudspeaker connected to X6 EXT SP Note It is possible to set a minimum volume on the loudspeaker Please refer to...

Page 29: ...NTR 2 Volume Control X2 Volume Control for the headset connected to X2 HS INSTR 3 Volume Control Loudspeaker Volume Control for internal and external loudspeaker connected to X6 EXT SP 4 LED indicator...

Page 30: ...1 X4 LAN Ethernet 2 X5 Audio Audio Interface 3 X6 EXT SP External Speaker max 5 W at 8 4 X7 USB USB Device Connector Reserved 5 X8 DC 19 32 V DC Power supply 19 V DC to 32 V DC 6 X3 AUX Auxiliary Int...

Page 31: ...No connection established to radio radio cannot be reached a session could not be established or a session termination is in progress GREEN Connection established audio unit and radio connected via Vo...

Page 32: ...ernal speaker which is connected to X6 EXT SP in parallel Note A minimum volume level can be set using the Web Interface 3 7 IP Reset and VoIP Mode via SETUP Button To allow the IP address of the audi...

Page 33: ...rewall does not block the FTP and telnet ports port 20 21 and 23 Firmware Update package zip file containing the Linux and FPGA update files shall be present Perform the following steps to do the Firm...

Page 34: ...e are restored when the unit is switched back on The factory default settings can be changed and read out via the web interface see chapter 3 9 2 The following tables denote the whole parameter set of...

Page 35: ...one speaker Off On Off Sidetone source Local remote Remote Sidetone level 0 dB 1 dB 2 dB 3 dB 4 dB 5 dB 6 dB 7 dB 8 dB 9 dB 10 dB 11 dB 12 dB 0 dB Table 10 HTTP page Configuration Parameter Range Defa...

Page 36: ...RX Max 255 characters Standby URI TX Max 255 characters DSCP 0 to 63 integer values 0 Microphone input level 1 5 dB 0 dB 1 5 dB 4 5 dB 9 0 dB 13 5 dB 18 0 dB 22 5 dB 0 dB Speaker output level 9 dB 6 d...

Page 37: ...S GB4000V is HTTP based The audio unit can therefore be configured and read out using any HTTP capable web browser The web interface of the audio unit consists of 4 HTTP pages Page name Address Functi...

Page 38: ...R S GB4000V Audio Unit User Manual 6174 7514 02 02 36 Figure 14 Status page...

Page 39: ...R S GB4000V Audio Unit User Manual 6174 7514 02 02 37 Figure 15 Configuration page...

Page 40: ...R S GB4000V Audio Unit User Manual 6174 7514 02 02 38 Figure 16 Configuration ACL page Figure 17 Configuration VoIP page...

Page 41: ...o switch between the web pages of the audio unit 4 On config page the general configuration of the R S GB4000V can be changed The meaning of the parameters is explained in chapter 3 9 3 refer to Table...

Page 42: ...ely Table 15 Meaning of settings of the Info group Parameter Parameter Description Operation mode This parameter is used to switch between the analog audio mode and VoIP mode of the audio unit Impedan...

Page 43: ...eter is used to set the level of the sidetone remote and local Table 16 Meaning of settings of the Parameter group 3 9 3 2 Website Configuration GB2PP ACL Parameter Description Allowed IP Address This...

Page 44: ...cessful if both VoIP sessions to the RX module and TX module were established Release 4 0x supports an RX only or TX only mode If only one URI Rx or Tx is configured and the SIP RTP session is establi...

Page 45: ...formation of General Status group Network Parameter Description MAC Address MAC address of the R S GB4000V This parameter is set for the R S GB4000V during production The MAC address is used for unamb...

Page 46: ...regard to their installation and configuration Operation is identical in both modes with the exception of the VoIP LEDs which indicate the status of the VoIP connection See chapter 3 3 3 11 1 Analog A...

Page 47: ...indicate the status of the connected radio Illumination of the PTT LED indicates that audio signals are being sent to the connected radio This occurs as soon as the PTT button of the headset is press...

Page 48: ...VoIP connection is set up automatically after the R S GB4000V is started The connection status is indicated by the LEDs VoIP1 and VoIP2 refer to chapter 3 3 3 11 2 2 Cabling in the VoIP Mode Instructi...

Page 49: ...ssignment of the headset can be found in Appendix A Technical Information The two LEDs PTT and SQL indicate the status of the connected radio Illumination of the PTT LED means that audio signal being...

Page 50: ...R S GB4000V Audio Unit User Manual 6174 7514 02 02 48 3 11 3 PTT Configuration The effect of different PTT sources is configurable via the web front end Figure 20 Configuration of PTT Mode...

Page 51: ...te of the instructor microphone and external microphone is given in two independent tables Ctrl PTT 0 Ctrl PTT 1 Instr PTT 0 Ext PTT 0 Microphone Off Microphone On Instr PTT 0 Ext PTT 1 Microphone On...

Page 52: ...e of the instructor microphone and external microphone is given in two independent tables Ctrl PTT 0 Ctrl PTT 1 Instr PTT 0 Ext PTT 0 Microphone Off Microphone On Instr PTT 0 Ext PTT 1 Microphone Off...

Page 53: ...o the sidetone is always remote The configuration is done via the parameter Sidetone source on the web interface of the GB4000V While in VoIP mode the GB4000V provides the local sidetone only in case...

Page 54: ...s to reduce the echo for the air traffic controller in VoIP mode caused by latency of VoIP RTP audio packets up to 200ms signaled back from Rx module An example for configuration of the remote sideton...

Page 55: ...R S GB4000V Audio Unit User Manual 6174 7514 02 02 53...

Page 56: ...t Check polarity of pinning Check if the IP addresses configured do fit to your radio and network settings The radio does not send any audio signals in analog mode The cable connection is defective Th...

Page 57: ...active no audio signals are audible on speakers or headsets Volume of the speakers or headsets is set to low Increase the volume of the speakers or headsets No audio signals are audible on speakers b...

Page 58: ...cleaned with a lint free moistened cloth In order to avoid damage to the front panel please note that No high pressure cleaners and steam jet shall be used No corrosive cleaning agents no dilution no...

Page 59: ...ue E Setting Value Signal Description D T Range TI Contact Remarks Headphone O A Max 2 V 200 300 Hz to 3 4 kHz S N 60 dB K 0 5 D X1 A Headphone GND B A Ground P X1 B D_MIC_INPUT I A 1 mV 20 dB Input i...

Page 60: ...D T Range TI Contact Remarks Headphone O A Max 2 V 200 300 Hz to 3 4 kHz S N 60 dB K 0 5 D X2 A Headphone GND B A Ground P X2 B D_MIC_INPUT I A 1 mV 20 dB Input impedance 200 300 Hz to 3 4 kHz Automat...

Page 61: ...ainst GND transmit SQL_RADIO_RECORDER O D Umin 0 3 V Umax 4 0 V internal pull up 10 k to 3 3 V open drain Imax 18 mA RI 220 P X3 3 Radio Squelch forwarded to the recorder active low GND B A Ground P X...

Page 62: ...z P X3 13 Output to external device AF_RX_Line_OUT_B O A X3 14 CARR_IN I A Umin 0 3 V Umax 4 0 V internal pull up 10 k to 3 3 V Low Carrier active X3 15 Carrier input Contact against GND radio is in t...

Page 63: ...al P Power Column TI Test Instructions P Test Value T Trimming Value D Type Test Value E Setting Value Signal Description D T Range TI Contact Remarks ETH_TX O D Acc to 100 Base TX P X4 2 ETH_TX O D A...

Page 64: ...balanced 60 balanced P X5 2 Audio Transformer min 500 V Isolation to GND AUDIO_TX_B O A P X5 3 AUDIO_RX_A I A Nominal 0 dBm 1 5 dB into 600 30 dBm to 10 dBm into 600 settable via SW 300 Hz to 3400 Hz...

Page 65: ...KER O A Max 5 W 8 300 Hz to 3 4 kHz P X6 1 NC X6 2 LOUDSPEAKER B A Ground P X6 3 USB Device Connector X7 USB Reserved Do not use Figure 29 USB X7 USB B S S B TH 4 pins Column D Direction O Output I In...

Page 66: ...Bidirectional Column T Type A Analog D Digital P Power Column TI Test Instructions P Test Value T Trimming Value D Type Test Value E Setting Value Signal Description D T Range TI Contact Remarks 28 V...

Page 67: ...R S GB4000V Audio Unit User Manual 6174 7514 02 02 65 B Drawings...

Page 68: ...R S GB4000V Audio Unit User Manual 6174 7514 02 02 66 C References 1 ED 137_Part 1 doc Final Draft 1 2 December 2008 2 https tools ietf org html rfc3261 April 2010...

Page 69: ...9 Getting started 14 Installation 15 Interface at the front 11 Interface at the rear 11 Maintenance 56 Malfunction 54 Metal case 11 Operation 24 Operation modes 44 Packing 14 Panel cutout 16 preparing...

Page 70: ...R S GB4000V Audio Unit User Manual 6174 7514 02 01 68...

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