Elproma NTS-pico, Manual

Page 1: ...NTS pico Miniature NTP Time Server for Small Networks ...

Page 2: ...ection considerations 7 Powering up 10 Basic SETUP 10 IP addressing 10 Monitoring GNSS satellite signals ON LINE 12 Running NTP Network Time Protocol 13 Configuring NTP 13 Monitoring NTP on line 14 Synchronizing Microsoft Windows clcok 15 Synchronizing Linux Mac OSX clock 15 Running PTP Precision Time Protocol 16 APPENDIX 18 Technical Specification 18 GNSS Antenna 18 ...

Page 3: ... accuracy is level of hundreds of millisecond ms for LAN and it is sub tens of second s for Internet Therefore NTS pico is not time instrument and should not be use at scientific laboratory or advanced IT synchronization environments NTS pico id dedicated for up 10 pcs networks The NTS pico GNSS receiver is designed for automatic operation without the need for user intervention It can however be a...

Page 4: ...ies pcs 1 Options not included in standard set 5 Ethernet cable 1m RJ45 RJ45 pcs 1 6 RS232 cable 1m DB 9 RJ45 pcs 1 7 CD with PDF manual pcs 1 NTS pico set Note Set does not include antenna mast but antenna can be mounted directly using attached accessories claps bracket nuts etc they are included General presentation NTS pico includes 1x GPS SMA 1x Pwr VDC 1x LAN RJ45 1x RS232 RJ45 1x USB 1x GSM ...

Page 5: ...NTS picture view Special version of NTS pico can include extra 1x Wi Fi SMA 1x SIM socket 2 1x CAN bus I O antenna mounting accessories ...

Page 6: ...ote The most important consideration in selecting a position for the antenna is the presence of objects which obscure the sky or horizon Where possible there should be no obstruction to a full view of the sky Overhead wires and other very narrow obstructions may be considered as invisible to the signals provided that they are a few meters away Large flat surfaces can decrease performance of the re...

Page 7: ...escribed previously in the antenna installation it should be understood that a destructive residual current may still be present in the cable coming down from the antenna to the NTS pico unit A second lightning arrestor should be installed near to the NTS pico to further dissipate any remaining lightning energy At the earth end please use multiple connection points if at all possible All connectio...

Page 8: ...Grounding system ...

Page 9: ...NTS pico surge protection ...

Page 10: ...45 connector 3 Plug in DC power supply to power input and turn power ON Basic SETUP Go to your web browser and put IP address 192 168 1 234 255 255 255 0 You will be asked for username and password By defaults are Username admin Password 12345 IP addressing Minimum configuration requires setup IPv4 ...

Page 11: ...connection Here you can set IPv4 address mask default gateway IMPORTANT NOTE For time synchronization purpose please do not use DHCP DNS You will need to keep SSH communication ON for GNSS signals tracing SSH enable ON and password is necessary for tracing on line GNSS signals ...

Page 12: ... This screen is the tool to monitor GNSS GPS Glonass satellite signal performance You should be able to receive signals from at least not less than 4 satellites Well done installation mostly let view 10 20 GNSS satellites in view It takes approx 5 10 minutes since power on to get minimum sats in view Recommendation For Linux Unix and Mac OSX please use BASH std terminal For Microsoft Windows there...

Page 13: ...menu option NTP Peer 1 preferred server to be set ON In addition please provide any random not used by any other device IPv4 address that corresponds to NTS pico IP class of IPv4 address Please note NTS pico requires to fill this IPv4 data field in to start acting NTP server Once all is done you are ready to use NTS pico Time Server with NTP ...

Page 14: ...erminal following commands ssh root 192 168 1 234 p 65535 root 192 168 1 139 s password 12345 root rbmtx ntpq You can use full spectrum of std NTP monitoring tools incl ntpq and ntpdc to trace and monitor Network Time Protocol For more information please ref to www ntp org ntpq debugging tool for NTP ...

Page 15: ...Below there is example for Windows 10 Using NTS pico as primary source of NTP time for Microsoft Windows Synchronizing Linux Mac OSX clock Both Linux and OSX included built in NTP protocol You can simple manually modify ntp conf file by providing your NTS pico IPv4 address however we recommend to use similar Microsoft Windows high level OS Time Date operations ...

Page 16: ...delay request and response packets Delay mechanizm E2E default Delay is measured end to end Delay is calculated for the whole path grandmaster master boundary clock transparent clocks slave ordinary clock GM MC BC TC OC SC P2P Delay is measured peer to peer If transparent clocks are present in a network they need to support peer delay mechanizm and be configured to enable it SYNC interval default ...

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Page 18: ... Frequency 1575 42 MHz Impedance 50 Ohm V S W R 2 0 Max Gain 38 dB Power supply 3 5VDC 10 mA Noise fig 1 5 dB Typ Polarisation RHC Right Hand Circular Mechanical properties Dimensions H 120mm 10mm Antenna type Active Marine GPS Cable cover Antenna cable black 30m H 155 ...

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