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AVN-GMC

IEEE1588 PTP Grandmaster Clock

with GPS Receiver

HANDBOOK

Manufacturers of Audio Products for AV,

Installed Sound, Broadcast Radio & Broadcast TV

Summary of Contents for AVN-GMC

Page 1: ...AVN GMC IEEE1588 PTP Grandmaster Clock with GPS Receiver HANDBOOK Manufacturers of Audio Products for AV Installed Sound Broadcast Radio Broadcast TV...

Page 2: ...not be liable for any loss or damage whatsoever arising from the use of information or any error contained in this manual No part of this manual may be reproduced or transmitted in any form or by any...

Page 3: ...ls Device Information 12 Device Information 12 Network Information 12 GPS Satellite Information 12 Network Settings 13 Network Settings 13 PTP Profiles 14 PTP Profiles 14 Device Settings 16 Device Set...

Page 4: ...w sonifex co uk Register Online for an Extended 2 Year Warranty As standard Sonifex products are supplied with a 1 year back to base warranty If you register the product online you can increase your p...

Page 5: ...registered at the Sonifex website when the Warranty Term is 24 months from the date of despatch the Contract means the quotation these Conditions of Sale and any other document incorporated in a cont...

Page 6: ...est and expense of the Purchaser the Company will test the Goods to ascertain performance levels and provide a report of the results of that test The report will be accurate at the time of the test to...

Page 7: ...d to look inside the unit always disconnect the mains supply before removing the equipment covers The cover is connected to earth by means of the fixing screws It is essential to maintain this earth g...

Page 8: ...03 along with the related Directive 2002 95 EC on Restrictions of the use of certain Hazardous Substances in electrical and electronic equipment RoHS The Waste Electrical and Electronic Equipment Dire...

Page 9: ...lion worst case 1 sec gain loss every 63 years An external sync clock input can act as an alternative reference source to GPS Clock outputs driven from the physical transceiver can be used to provide...

Page 10: ...is down GPS If the unit is using GPS as its primary synchronisation source this LED is illuminated green Sync In If the unit is using the external input as the primary synchronisation source this LED...

Page 11: ...n applying power to the AC mains or DC power inputs the button is illuminated red meaning that it is in standby mode In standby mode all operation is halted A momentary press of the power button resta...

Page 12: ...ample rates are 32 44 1 48 88 2 96 176 4 and 192 kHz Variable PPS Pulse Per Second Output This 50 output is synchronised to the onboard PTP clock and the rate is selectable through the front panel men...

Page 13: ...button Exit the Menu Structure Use the CLOSE menu item usually at the bottom Each dialog page contains a number of options in one of the following control formats String Entry Edit Move the cursor hi...

Page 14: ...16 seconds Announce Timeout Dialog to set Timeout from 2 to 10 announce intervals Sync Interval List selection from Interval of 1 16 to 2 seconds Del Req Interval List selection from Interval of 1 8...

Page 15: ...lection from Interval of 1 16 to 64 seconds PDel Req Interval List selection from Interval of 1 2 to 16 seconds Priority 1 Dialog to Set Priority 1 level between 0 to 255 Priority 2 Dialog to Set Prio...

Page 16: ...self an IP address If you re using the AVN GMC for the first time it is configured with a static IP address of 192 168 0 92 so is accessible by network connecting it to a PC or similar device and ente...

Page 17: ...e than one page is associated with a heading for example configuration a drop down menu will appear The currently displayed page is highlighted blue The page display area is divided into two where the...

Page 18: ...er satellites In Ext Sync Mode The indicator is green when the unit has a valid Wordclock input The indicator is red when the unit does not have a valid Wordclock input Master The indicator is green w...

Page 19: ...e PTP profile that is currently assigned to the unit Number Of Satellites The number of satellites that are being used to determine the time Average Signal Strength The average signal strength of all...

Page 20: ...time reading with time base and fitted oscillator type Network Information The network information box contains the MAC address actual IP address actual subnet mask actual gateway IP and the addressi...

Page 21: ...sure the connecting device has Auto IP enabled If both DHCP and Auto IP are enabled DHCP takes precedence Changing network details may require a browser refresh and in some cases IE a close and reopen...

Page 22: ...2P Delay mechanisms Announce Interval The rate at which the Announce message is sent One per the selected time Announce Timeout Multiple of announce intervals This is the time the unit will wait for a...

Page 23: ...e PTP domain on which the GMC operates As to which ranges are available for each parameter in each profile please refer to the AVN GMC menu tree on pages 6 and 7 DSCP This is a single parameter for al...

Page 24: ...o sync the internal PTP clock WC and VarPPS Output Source The unit s WC Wordclock and VarPPS can be routed to each output or either can be routed to both Wordclock Select the rate of the wordclock out...

Page 25: ...time by a set amount when displaying Local Time in hours and minutes Useful for time zones for example Daylight Saving The amount of time to adjust when daylight saving is applied in hours and minutes...

Page 26: ...PS This setting affects both the PTP timebase and the front panel display If set to run from GPS the force time setting is ignored Auto Save on Page Exit Enabling Auto Save on Page Exit enables you to...

Page 27: ...confirm this Once the upload is complete the unit will reset If the upload succeeded the unit will proceed to install the new firmware This is indicated by a series of green power button flashes one f...

Page 28: ...the network time and also works out the latency involved in the delivery and adjusts the time at each node accordingly Unit configuration is achieved easily either with the front panel controls or the...

Page 29: ...76 4 192kHz BNC female Wordclock Out 32kHz to 192kHz TTL BNC female Variable PPS Out 1Hz to 1MHz TTL GPS Input SMA socket GPIO 9 way D Type female Ethernet Port RJ45 socket 100BASE T Mains AC Input Un...

Page 30: ...Notes...

Page 31: ...Notes...

Page 32: ...www sonifex co uk t 44 0 1933 650 700 f 44 0 1933 650 726 sales sonifex co uk...

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