Synchbueno SY-GPS-1A-NTP Manual

Network time server

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Network Time Server

SY-GPS-1A-NTP

March 01, 2010

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Summary of Contents for Synchbueno SY-GPS-1A-NTP

Page 1 Network Time Server SY-GPS-1A-NTP March 01, 2010...
Page 2: Table Of Contents
Network Time Server SY-1A-NTP Contents 1 Introduction .........................3 2 Hardware..........................4 3 Mounting GPS antenna ...................... .5 4 Powering up ....................6 5 NTP - Network Time Protocol ................... .7 6 SY-1A-NTP software Setup ....................9 7 Technical specification ..................... .12 7.1 SYSTEM .......................
Page 3: Introduction
Network Time Server SY-1A-NTP 1 Introduction The SY-1A-NTP Network Timeserver provides a high precision time directly to TCP/IP networks using NTP (Network Time Protocol). It synchronizes time of any NTP clients running on remote PC’s. It supports both NTP and SNTP clients for more of current popular operating systems including: Microsoft Windows 95/98/Me/NT/2K/XP, Linux, FreeBSD, IBM AIX and other UNIX family systems.
Page 4: Hardware
Network Time Server SY-1A-NTP 2 Hardware The SY-1A-NTP timeserver set includes: • NTP timeserver unit (rack19 mounted 1U) • GPS antenna with 30m. cable and frequency converter with built-in over voltage protection • CD with software utility and PDF manual Timeserver unit is a multiprocessor system with 1 fast Ethernet 10/100Mbs interface.
Page 5: Mounting Gps Antenna
Network Time Server SY-1A-NTP 3 Mounting GPS antenna The GPS satellite time receiver has been designed to provide extremely precise time. High precision available 24 hours a day around the whole world is the main feature of the new system which receives its information from the satellites of the Global Positioning System.
Page 6: Powering Up
Network Time Server SY-1A-NTP 4 Powering up SY-GPS-1-A If both the GPS antenna and the power supply have been connected the system is ready to operate. Besides that you are ready now to turn on the power. About 120 seconds after power-up the receiver is warmed up and starts to operate with the required accuracy.
Page 7: Ntp - Network Time Protocol
Network Time Server SY-1A-NTP 5 NTP - Network Time Protocol Before you learn how to setup SY-1A-NTP, you also should read about what NTP tself. NTP is a common method for time synchronization over networks. It is a protocol but a very special one.
Page 8 Network Time Server SY-1A-NTP A high precision synchronization is chosen by NTP automatically. The NTP always selects best available source of time. Selection is based on several time references like: stratum level, availability of timeserver, network delay, time diﬀerence, internal jitter factor etc. NTP clients of SY-1A-NTP are referred to be a Stratum 2 clients.
Page 9: Sy-1A-Ntp Software Setup
Network Time Server SY-1A-NTP 6 SY-GPS-1-A software Setup For the very first time of installation the SY-1A-NTP has to be configured by sub-network remote terminal software. Please connect your sub-network cable to SY-1A-NTP. Other side of cable please connects to any available computer with Windows. Once terminal is connected the setup appears automatically (after clicking “LocalSearch”...
Page 10 Network Time Server SY-1A-NTP Setting the NTP Service Setting...
Page 11 Network Time Server SY-1A-NTP Setting IP address, MASK address, GATEWAY address...
Page 12: Technical Specification
Network Time Server SY-1A-NTP 7 Technical specification The SY-1A-NTP is high quality professional time server for computing, telecom, military and other science purposes. It has been manufactured with no mechanical parts as coolers or hard disk. All cooling system has been resolved on natural air circulation outgoing via metal case of unit. 7.1 SYSTEM NTP - supports all versions of NTP, SNTP including latest release 4.1.1 supporting modes: CLIENT, SERVER, BROADCAST, MULTICAST.
Page 13: Power
Network Time Server SY-1A-NTP RECEIVER - input frequency 1575.42MHz (L1). 7.5 POWER INPUT - 110-240V AC/DC FUSE - 1 electronic OUTPUTS - +5V / 5A, +12V / 0.6A, -12V / 0.5A TOTAL LOAD - 60 Watt 7.6 ACCURACY GPS - better than ±100 nsec after synchronization of first 1 hour better than ±1 µsec during the first hour of operation NTP - better than 10 msec (with nanosecond kernel) 7.7 OTHER...