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Elproma NTS-pico Manual

Miniature ntp time server for small networks
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NTS-pico
Miniature NTP Time Server for Small Networks

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Summary of Contents for Elproma NTS-pico

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

  • Page 2: Table Of Contents

    Table of Contents Introduction ..........................3 Safety instructions ..........................3 What is NTS-pico? ..........................3 Installation ..........................4 Hardware ............................. 4 General presentation ..........................4 Antenna Mounting ........................6 Additional lightning protection considerations ..................7 Powering up ..........................10 Basic SETUP ..........................10 IP addressing ............................

  • Page 3: Introduction

    The standard synchronization 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.

  • Page 4: Installation

    Installation Hardware The NTS-pico box on arrive includes: 1. NTS-pico miniature time server (pcs 1) 2. Power supply 12VDC/230VAC (pcs 1) 3. Indoor GSM antenna (pcs 1) 4. Outdoor active GPS antenna w/ 30m coax H-155 and accessories (pcs 1) Options (not included in standard set): 5.
  • 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: Antenna Mounting

    Note! When the NTS-pico is operational, the GNSS antenna assembly may be disconnected for short periods (e.g. maintenance or repair) without interruption to the unit synchronization...

  • Page 7: Additional Lightning Protection Considerations

    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.
  • Page 8 Grounding system...
  • Page 9 NTS-pico surge protection...

  • Page 10: Powering Up

    Powering up 1. Connect GNSS antenna to SMA connector at NTS-pico 2. Connect Ethernet LAN cable to RJ45 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.
  • Page 11 On LAN configuration page you can find essential parameters needed for LAN 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: Monitoring Gnss Satellite Signals On-Line

    Monitoring GNSS satellite signals ON-LINE You SSH communication must be switched on first. Please execute from window terminal following commands: ssh root@192.168.1.234 -p 65535 root@192.168.1.139's password: 12345 [root@rbmtx ~]# TERM=vt220 [root@rbmtx ~]# gpsmon GPSmon tool let you trace satellite signals on-line This screen is the tool to monitor GNSS (GPS &...

  • Page 13: Running Ntp (Network Time Protocol)

    Running NTP (Network Time Protocol) Configuring NTP To start operate NTS-pico as NTP server, just simple run web setup again, and select in Time 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.

  • Page 14: Monitoring Ntp On-Line

    Monitoring NTP on-line You SSH communication must be switched on first. Please execute from window terminal 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.

  • Page 15: Synchronizing Microsoft Windows Clcok

    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: Running Ptp (Precision Time Protocol)

    Running PTP (Precision Time Protocol) PTP settings: • PTP Enabled Enables PTP grandmaster daemon • PTP options: • Transport layer • L2 (Ethernet): PTP packets are encapsulated directly in Ethernet frames (IEEE 802.3 network transport) • L4 (UDP): PTP packets are exchanged over UDP/IPv4 •...

  • Page 18: Appendix

    APPENDIX Technical Specification GNSS Antenna Electrical properties 1575.42 MHz Frequency 50 Ohm Impedance V.S.W.R <2.0 Max 38 dB Gain 3-5VDC (10 mA) Power supply <1.5 dB Typ. Noise fig. RHC (Right Hand Circular) Polarisation Mechanical properties Dimensions H=120mm (=10mm) Active Marine GPS Antenna type black Cable cover...

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