Impressum
Meinberg Funkuhren GmbH & Co. KGLange Wand 9D-31812 Bad Pyrmont
Phone:
++49 52 81 - 9309-0
Fax:
++49 52 81 - 9309-30
Internet: http://www.meinberg.deEmail:
[email protected]
September 26, 2007
Page 1: ...USB 5131 Driver Software for Windows 2000 XP Vista Operating Systems Technical Information Operating Instructions...
Page 2: ...Impressum Meinberg Funkuhren GmbH Co KG Lange Wand 9 D 31812 Bad Pyrmont Phone 49 52 81 9309 0 Fax 49 52 81 9309 30 Internet http www meinberg de Email info meinberg de September 26 2007...
Page 3: ...about DCF77 5 Overview USB5131 6 Installation 7 Power Supply 7 Aligning the antenna 7 Status LEDs 7 Technical Specifications 8 Physical Dimensions 9 CE Label 9 Content of the diskette 10 Driver Disket...
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Page 5: ...t a binary coding scheme using the short time mark for logical zeroes and the long time mark for logical ones The information on the current date and time as well as some parity and status bits can be...
Page 6: ...k against the previous time message is performed If that plausibility check passes too the real time clock on the board is adjusted corresponding to the decoded time and date The USB5131 module provid...
Page 7: ...nna internal as well as external can be done by watching the modulation LED Like described in chapter General information about DCF77 undisturbed pulses per second except 59 second without any interfe...
Page 8: ...by LED BATTERY BACKUP In case of supply voltage failure the on board RTC keeps the time based on XTAL for more than 150 hours buffer capacitor RELIABILITY OF OPERATION Microprocessor supervisory circ...
Page 9: ...IP30 protected 73mm x 117mm x 24mm width x depth x height CE Label This device conforms to the directive 89 336 EWG on the approximation of the laws of the Member States of the European Community rel...
Page 10: ...e board time If the present delivered diskette doesn t include a driver program for the operating system used it can be downloaded from http www meinberg de english sw On the diskette there is a file...
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