TX Digicast DABTX350, User Manual

Page 1: ...re by any person to RF fields cannot exceed safe limits The permitted limits vary from country to country Expert advice should be sought about the safe installation of this transmission system RISK OF FIRE RF Radio Frequency energy could cause ignition of combustible surfaces during fault conditions Installation should be left to qualified personnel RF can cause burns to skin Ensure antenna system...

Page 2: ...rotected against antenna load faults MIS OPERATION MAY RESULT IN DAMAGE NOT COVERED BY ANY WARRANTY IMPORTANT Correct operation of the cooling fans in this product is vital to reliable continuous operation Schedule bi annual maintenance checks We strongly advise the use of a standby transmitter system for use during maintenance events or fault conditions to prevent prolonged breaks in transmission...

Page 3: ...e used by broadcasters worldwide and benefit from 25 years of engineers design experience At the heart of the TXDAB350 is a high quality COFDM modulator and the Doherty RF Power Amplifier uses the latest MOSFET devices achieving new levels of efficiency and reliability This all in one complete DAB broadcast solution also has TCP IP connectivity as well as TTL remote control and monitoring which al...

Page 4: ...d Installation must adhere to safety regulations and the requirements of the relevant authorities We recommend that at least two people are present during installation Keep a file containing installation instructions and plans including details of the transmission system antennas feeders filters etc and operating instructions for all equipment at the transmission site at all times Display posters ...

Page 5: ... Precautions should be taken so that the grounding or polarisation of this appliance is not defeated The unit should be cleaned only as recommended by the manufacturer The transmitter should be serviced by qualified service personnel if it does not appear to operate normally exhibits a marked change in performance has been subjected to shock damage moisture or if foreign objects have ingressed The...

Page 6: ...for measuring compliance 4 PSU DC OK This LED indicates that the Power Amplifier Supply 48V DC is working 5 PSU AC OK This LED indicates that the AC mains power is connected 6 SYSTEM If this LED is green all system parameters are operating correctly If it is red the transmitter needs urgent attention 7 FWD If this LED is green the forward RF power is operating If this LED is red the RF power is no...

Page 7: ...point in accordance with local regulations 13 REMOTE This 9 way D sub socket can be used for remote control and monitoring of the transmitter It also enables automatic switching of N 1 back up system configurations Pin 1 This output pulls low when the RF forward power condition is OK It will float high when an alarm condition no RF output is present Pin 2 This output pulls low when the RF reflecte...

Page 8: ...onnector The filter output should be connected to this socket via a suitable coupling mechanism This allows the modulator to automatically optimise the COFDM signal to compensate for the mask filter s characteristics 19 POWER Connect a power lead with an IEC C13 connector and a 13 amp fuse in the plug or at the distribution panel to this socket Two T12 amp time delay fuses are fitted within this c...

Page 9: ... transmission parameters Press the down key to see the remaining items To enter the settings menu press and hold the OK key for 3 seconds The DABTX350 will enter LOCAL mode and the following settings will be displayed Display Menu ...

Page 10: ...responding setting will now be highlighted Press the UP and DOWN buttons to selected the desired setting and then press ENTER to store it When selecting EDI1 or EDI2 parameters a new screen will appear allowing the respective input to be enabled or disabled and all of the network parameters to be edited ...

Page 11: ...OUT socket on the transmitter s rear panel Connect the EDI feed s GPS antenna and then the mains lead Switch on the mains power Press the OK key for 3 seconds to enter the settings menu Select the RF Power Output setting and reduce the power to its minimum level Press OK to store the value Now enter the desire channel frequency Press OK to store the value Ensure that the RF Mute setting is disable...

Page 12: ...input if required and enter the required network settings Press OK to store the values The transmitter has a TEST MODE If enabled the COFDM modulator will transmit a test signal For normal operation ensure this mode is disabled OFF ...

Page 13: ...sion system may shut down its RF output and will in any case require URGENT attention The transmitter is designed for continuous reliable transmission however the fans air vents and air tunnels must be periodically checked for correct operation and free airflow The cooling fans should be replaced after 60 000 hours of cumulative operation This life rating is for guidance only and is subject to ide...

Page 14: ...address in the address bar of an internet browser IMPORTANT Accessing the transmitter s front panel menu will enter the TXDAB350 into local mode where front panel settings take precedence over the ethernet connection The network readings and settings will not be available until the local menu has been exited and the main screen is displayed on the LCD Select Continue Upon successful log in the TXD...

Page 15: ...is can be ignored because hardware devices don t usually serve https secure pages to clients However general network security is VERY IMPORTANT It is up to the user to ensure adequate overall security for the internet connection Like all computers on all networks the transmitter s network port will be continually subject to external hack and Ping of Death attacks Connect the transmitter s network ...

Page 16: ...hm approx 40dB Remote I O I O Control 9 way D sub female Inputs EDI1 RJ45 TCP IP Ethernet EDI2 RJ45 TCP IP Ethernet GPS input SMA female Sense input SMA female Network LAN TCP IP RJ45 Power Supply Voltage 100 240Vac 50 60Hz Consumption Mechanical Dimensions 2U 88 x 482 x 550 HxWxD mm Weight 18kg Environmental Operating Temperature 0 to 40 degrees C We reserve the right to alter specifications with...

Page 17: ...ments of Directive 2014 53 EU and is CE marked accordingly Low Voltage Directive EN60215 Safety Requirements for Radio Transmitting Equipment ERM EMC ETSI EN 302 077 V2 2 0 Transmitting equipment for the Digital Audio Broadcasting DAB service The following operation conditions and installation arrangements are to be presumed i According to Operating Instruction Manual ii Connected lead lengths of ...

Page 18: ... contact your local or regional waste administration IMPORTANT NO REPRESENTATIONS OR WARRANTIES EITHER EXPRESS OR IMPLIED OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR OF ANY OTHER NATURE ARE MADE WITH RESPECT TO THIS PRODUCT Do not misconstrue any information as our recommendation to use any product process or equipment in conflict with any regulatory authority or patent Ensure complianc...

Page 19: ...h respect to this information TX Digicast specifically disclaims the implied warranty of merchantability and fitness for a particular purpose TX Digicast Clay Pit Lane Bar Lane Industrial Estate Roecliffe York United Kingdom YO51 9FS Telephone 01423 313550 Telephone International 44 1423 313550 Enquiries info txdigicast com ...