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hopf 8029NTS-V2/GPS, Technical Manual

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GPS - NTP Time Server with LAN Interface 8029NTS-V2/GPS - V08.00 

hopf 

Elektronik GmbH 

Nottebohmstr. 41 

• D-58511 Lüdenscheid • Tel.: +49 (0)2351 9386-86 • Fax: +49 (0)2351 9386-93 • Internet: http://www.hopf.com • E-Mail: [email protected]

 

7.3.3.3  Peers  

The “Peers summary” is used to track the performance of the configured NTP server/driver 
and the NTP algorithm itself. 

The  information  displayed  is  identical  with  the  information  available  via  NTPQ  or  NTPDC 
programes. 

Each NTP server/driver that has been set up in the NTP server configuration is displayed in 
the peer information. 

The connection status  is displayed  in the reachability  column (not reachable, bad, medium, 
and reachable). 

 

 

The first line displays the 

hopf 

- refclock ntp driver 

that gets the time information directly 

from the Sync Source. 

A  short  explanation  and  definition  of  the  displayed  values  can  be  found  in 

Chapter

 

13.5 

Accuracy & NTP Basic Principles

. 

The character in the first column on the left presents the current status of the NTP association 
in the NTP selection algorithm. A list and description of possible characters can be found in 
the Glossary (see 

Chapter 13.2 Tally Codes (NTP-specific)

). 

 

Summary of Contents for 8029NTS-V2/GPS

Page 1: ...ime Server with LAN Interface Model 8029NTS V2 GPS For DIN Rail Installation DIN EN 60715 TH35 ENGLISH Version 08 00 28 08 2018 _____________________________________________________________ SET IMAGE 8029 FIRMWARE 8024 Valid for Version 08 xx Version 08 xx Version 01 xx Industriefunkuhren ...

Page 2: ...PS NTP Time Server with LAN Interface 8029NTS V2 GPS V08 00 hopf Elektronik GmbH Nottebohmstr 41 D 58511 Lüdenscheid Tel 49 0 2351 9386 86 Fax 49 0 2351 9386 93 Internet http www hopf com E Mail info hopf com ...

Page 3: ...TWEEN DEVICE SOFTWARE AND TECHNICAL DESCRIPTION THE VERSION NUMBER OF THE IMAGE AND THE H8 SOFTWARE CAN BE READ IN THE WEBGUI OF TIME SERVER 8029NTS GPS SEE CHAPTER 7 3 5 1 DEVICE INFORMATION AND CHAPTER 7 3 5 2 HARDWARE INFORMATION THE TWO DIGITS AFTER THE DOT IN THE VERSION NUMBER DESIGNATES CORRECTIONS TO THE FIRMWARE AND OR DESCRIPTION WHICH HAVE NO EFFECT ON FUNCTIONALITY Downloading Technica...

Page 4: ... operated with the voltage supply indicated on the identification label The device should only be operated by qualified staff or employees who have received specific instruction If a device must be opened for repair this should only be carried out by employees with appropriate qualifications or by hopf Elektronik GmbH Before a device is opened or a fuse is changed all power supplies must be discon...

Page 5: ...bGUI Device 17 3 3 Function 8024GPS WebGUI Sync Source 17 4 System Behaviour 18 4 1 Boot Phase 18 4 2 NTP Adjustment Process NTP Stratum Accuracy 18 4 3 Reset Default Button 18 4 4 Firmware Update 19 4 4 1 Firmware Update 8029NTS WebGUI Device 19 4 4 2 Firmware Update 8024GPS WebGUI Sync Source 20 4 5 Activation of Functions Activation Key 21 5 Installation 22 5 1 Installation Dismounting of the D...

Page 6: ...escription of the Tabs 40 7 3 1 GENERAL Tab 40 7 3 2 NETWORK Tab 42 7 3 2 1 Host Nameservice 42 7 3 2 1 1 Hostname 42 7 3 2 1 2 Use Manual DNS Entries 43 7 3 2 1 3 DNS Server 1 to 3 43 7 3 2 1 4 Use Manual Gateway Entries 43 7 3 2 1 5 Default Gateway IPv4 43 7 3 2 1 6 Default Gateway IPv6 43 7 3 2 1 7 Network Interface ETH0 44 7 3 2 1 8 Default Hardware Address MAC 44 7 3 2 1 9 Customer Hardware A...

Page 7: ... key created 68 7 3 3 8 4 How does authentication work 68 7 3 3 9 Autokey 69 7 3 4 ALARM Tab Activation Key necessary 70 7 3 4 1 Syslog Configuration 70 7 3 4 2 E mail Configuration 71 7 3 4 3 SNMP Configuration TRAP Configuration 72 7 3 4 4 Alarm Messages 73 7 3 5 DEVICE Tab 74 7 3 5 1 Device Information 74 7 3 5 2 Hardware Information 74 7 3 5 3 Restoring the Factory Defaults Settings 75 7 3 5 4...

Page 8: ...4GPS 104 11 4 Power Supplies 105 11 5 Dimensions DIN Rail Housing 107 12 Factory Defaults of Time Server 8029NTS GPS 108 12 1 Factory Default Values of Module 8029NTS Device 108 12 1 1 Network 108 12 1 2 NTP 109 12 1 3 ALARM 110 12 1 4 DEVICE 110 12 2 Factory Default Values of Module 8024GPS Sync Source 111 13 Glossary and Abbreviations 112 13 1 NTP specific Terminology 112 13 2 Tally Codes NTP sp...

Page 9: ...ated into a compact DIN Rail housing and is characterized by its easy and simple operation although it offers a broad range of functions Some of the practice oriented functionalities are Complete parameterisation via protected WebGUI access All required settings for operation can be executed via a password proteded WebGUI also giving an overview of the status of the Time Server 8029NTS GPS Monitor...

Page 10: ...2 1Q Tagged VLAN A few other basic functions of the Time Server 8029NTS GPS The Time Server 8029NTS GPS operates as NTP Server with Stratum 1 Easy operation via WebGUI Status LEDs on the front panel Sync status output via optical coupler High freewhell accuracy provided by GPS supported regulation of the internal quartz basis Completely maintance free system SyncOFF Timer reception failure bypassi...

Page 11: ...on NTP Autokey Encryption NTP Access Restrictions PPS Time Source SINEC H1 time datagram Activation Key necessary RFC 867 DAYTIME Server RFC 868 TIME Server Network Protocols HTTP HTTPS DHCP Telnet SSH SNMPv3 SNMP Traps MIB II Private Enterprise MIB Activation Key necessary NTP including SNTP SINEC H1 time datagram Activation Key necessary Configuration Channel HTTP HTTPS WebGUI browser based Teln...

Page 12: ...cording to DIN EN 60715 TH35 2 2 Power Supply Currently the following types of power supplies are available AC DC wide range power supply 100 240V AC 110 250V DC Type AC M05 D DC power supply 18 36V DC nominal voltage 24V DC Type DC24 M15 D DC power supply 36 76 VDC nominal voltage 48V DC Type DC48 M15 D 2 3 Functional Overview of the Front Panel Elements This chapter describes the individual fron...

Page 13: ...ashes Stratum 2 15 Off Stratum 16 no synchronization of NTP Clients Accuracy LED Green The NTP service of the Time Server 8029NTS GPS works with accuracy of On high Flashes medium Off low 2 3 3 USB Port On specific problems the USB connection can be used for a system recovery after consulting the hopf Support 2 3 4 LAN Interface ETH0 10 100 LED Green Description Off 10 MBit Ethernet detected On 10...

Page 14: ...ik GmbH MAC addresses begin with 00 03 C7 xx xx xx 2 3 5 Sync Status Optical Coupler Sync Status Optical Coupler 3 pole pluggable Connector Pin Signal 1 Collector 2 n c 3 Emitter 2 3 6 Sync Status LEDs Sync Status LEDs LED Meaning RD Status LED red GN Status LED green The Status LEDs on the front panel signal the current synchronization status of the Sync Source here Module 8024GPS The meanings of...

Page 15: ...lektronik GmbH Nottebohmstr 41 D 58511 Lüdenscheid Tel 49 0 2351 9386 86 Fax 49 0 2351 9386 93 Internet http www hopf com E Mail info hopf com 2 3 7 GPS Antenna Input GPS Antenna BNC connector GPS Antenna input The antenna input provides an internal monitoring for short circuit and open input ...

Page 16: ...Module 8029NTS The update file for Module 8024GPS is loaded into Module 8029NTS via LAN through the WebGUI Then Module 8029NTS performs the update of the Sync Source here Module 8024GPS independently Management The entire control of the Sync Source here Module 8024GPS is done by Module 8029NTS All data of the Sync Source indicated via WebGUI are demanded cyclically by Module 8029NTS from the Sync ...

Page 17: ...029NTS is also adjusted with high precision Thus the Module 8029NTS is a very precise NTP STRATUM 1 Time Server 3 3 Function 8024GPS WebGUI Sync Source The Module 8024GPS is in principle an independent Module with GPS receiver and its own µProcessor In synchronous status it provides a high precise time information to the Module 8029NTS The control of Module 8024GPS in this system is completely don...

Page 18: ... Accuracy NTP is a regulation process After start of the NTP services automatically processed during booting the Time Server 8029NTS GPS requires approximately 5 10 minutes after synchronization of the Sync Source Status SYNC until NTP is set to the high accuracy of the Sync Source here Module 8024GPS and reaches the optimized operation condition of STRATUM 1 and ACCURACY High The decisive factors...

Page 19: ...rograms of a SET needed to be uploaded to ensure a defined operation condition The progam releases assigned to a SET version may be taken from the release notes of the software SETs of the Time Sever 8029NTS GPS 4 4 1 Firmware Update 8029NTS WebGUI Device The general process of a software update of Module 8029NTS is described below For selection of the correct update set the identifier 8029NTS V2 ...

Page 20: ...th the file extension mot for Module 8029 via the selection window 12 The selected file is shown in the selection window 13 The update process is started with the button Upload now 14 In WebGUI the successful file transfer to the Module is indicated 15 Now the update of the board automatically starts after a few seconds 16 After successful update the board automatically reboots 17 After approx 2 m...

Page 21: ...network interfaces can be configured with additional VLANs Virtual Bridged Local Area Networks according to IEEE 802 1q Static Routing Table This function is suitable for configuring static routes based on special network configuration requirements Alarming and management features This function enables to use SNMP SNMPv2c SNMPv3 Syslog and Email notification to monitor the system status Together w...

Page 22: ...all rails in accordance with DIN EN 60715 TH35 and is designed for horizontal mounting Dimensions The dimensions of the housing can be found in Chapter 11 5 Dimensions DIN Rail Housing Time Server 8029NNTS GPS Housing TYPE 2 In order to guarantee an adequate convection we recommend the following minimum distance from other modules 5 0 cm in vertical direction and 1 0 cm in horizontal direction 5 1...

Page 23: ...luggable screw terminal with housing N L Connecting the incorrect voltage can damage the Time Server 8029NTS GPS 5 3 1 1 Safety and Warning Instructions Please read these instructions thoroughly to facilitate safe operation of the device and to use all of its functions Warning Never work on live equipment Danger to life The Time Server 8029NTS GPS is a built in device Installation and commissionin...

Page 24: ...2 Connection to various Power Networks 5 3 1 3 Power Cable Connection The power cable is connected via a 3pole pluggable screw terminal The following cable cross sections can be connected to the input plug Fixed mm2 Flexible mm2 AWG Starting moment Nm L N 0 2 2 5 0 2 2 5 24 12 0 5 0 6 For a reliable and secure contact Strip the insulation by 8 mm The connector must always be mounted using the hous...

Page 25: ...ken from the nameplate of the device Currently the standard versions of the Time Server 8029NTS GPS are supplied with power supplies with power consumption between 6 and 15VA Regarding DC applications a suitable fuse must be connected If the internal fuse trips it is highly likely that the device is faulty In this case the equipment should be checked at the factory 5 3 1 5 Power Supply Specificati...

Page 26: ... observed Accordingly the performance data should be taken from the nameplate of the device Currently the standard versions of the Time Server 8029NTS GPS are supplied with power supplies with power consumption of max 20VA If the internal fuse device fuse blows it is most probable that the device is defective In this case the device needs to be checked in the facatory 5 4 Connection GPS Antenna Sy...

Page 27: ...it Ethernet detected On 100 MBit Ethernet detected lnk act LED Yellow Description Off No LAN connection to a network On LAN connection available Flashes Network activity at ETH0 transmission reception Pin No Assignment 1 Tx 2 Tx 3 Rx 4 Not in use 5 Not in use 6 Rx 7 Not in use 8 Not in use 5 6 Connection Sync Status Optical Coupler The Sync Status Optical Coupler connection is a 3 pole pluggable s...

Page 28: ...Change default passwords for master and device In the DEVICE tab Set all required LAN parameters e g entry of DNS server in NETWORK tab if necessary Check current settings in NTP tab and modify according to individual needs as necessary Parametrize following values of the Sync Source here Module 8024GPS in GPS SYNC SOURCE tab o Set current UTC time o Set the local difference time to UTC o Set or d...

Page 29: ...ask 255 255 255 0 Gateway not set In case it is not known whether the Time Server 8029NTS GPS with a Factory Default setting causes problems in the network the basis network parameterization should be executed via a Peer to Peer network connection Request the required network parameters from your network administrator if those are unknown The network connection is made via a LAN cable and RJ45 plu...

Page 30: ...istant After a successful start of the hmc Network Configuration Assistant and completed search of the hopf LAN devices the configuration of the base LAN parameters can be done The Time Server 8029NTS GPS is stated as 8029NTS in the Device List The determination of different Time Server 8029NTS GPS or other products variants is made via Hardware Address MAC Address The factory set MAC address for ...

Page 31: ...e network administrator in order to avoid problems on the network e g duplicate IP address IP Address IPv4 An IP address is a 32 bit value divided into four 8 bit numbers The standard presentation is 4 decimal numbers in the range 0 255 separated from each other by dots dotted quad notation Example 192 002 001 123 The IP address consists of a leading network ID followed by the host ID Four common ...

Page 32: ...xxx are designated as Class E and are reserved Gateway Address The gateway or router address is required in order to be able to communicate with other network segments The standard gateway must be set to the router address which connects these segments This address must be within the local network After entering the above mentioned LAN parameters they needed to be transferred to the Time Server 80...

Page 33: ...S GPS PC with installed web browser e g Internet Explorer in the sub network of Time Server 8029NTS GPS 7 1 2 Configuration Steps Create the connection to the Time Server with a web browser Login as a master user default password master is set by delivery Switch to Network tab if available and enter the DNS Server required for NTP and the alarm messages depending of network Save the configuration ...

Page 34: ...to a web browser if it has been set up correctly Enter the IP address as set up in the Time Server 8029NTS GPS earlier or the DNS name on the address line http xxx xxx xxx xxx and the following screen should appear When using IPv6 it is mandatory to enclose the IPv6 address with e g http 2001 0db8 85a3 08d3 0370 7344 The complete configuration can only be completed via the modules WebGUI The WebGU...

Page 35: ...ed master user default password on delivery master device user default password on delivery device Differentiation is made between upper and lower case characters in the password Alphanumeric characters and the following symbols can be used _ The password must be between 6 and 20 characters long and contain at least one uppercase letter one lowercase letter and one digit The password should be cha...

Page 36: ...r reboot Trigger factory defaults Carry out image update Carry out H8 firmware update Upload certificate Change master password Diagnostics Download configuration files 7 2 2 Navigation via the Web Interface The WebGUI is divided into functional tabs Click on one of these tabs to navigate through the board The selected tab is identified by a darker background colour see the following image General...

Page 37: ...C SOURCE tab are saved in Module 8029NTS For these data the value saving is divided into two steps For a permanent saving the modified value MUST first be accepted with Apply from the module and then be stored with Save Otherwise the modifications get lost after a reboot of the module or switching the system off After an entry with Apply is made the configured field is marked with a star This mean...

Page 38: ...new network paramters again and to save the data with Save permanently For adopting changes and entering values only the respective buttons in the WebGUI can be used 7 2 3 2 Changing of Data in 8024GPS WebGUI Sync Source The modified data in the GPS SYNC SOURCE tab are diretly transferred to the Module 8024GPS by pushing the button 1 and stored failsafe in Module 8024GPS Tabs with settings and val...

Page 39: ...ted in the above image an invalid value e g text where a number should be entered IP address not within the range etc is identified by a red border when an attempt is made to accept these settings It should be noted here that this is only a semantic check and not to test whether an entered IP address can be used on the own network or in the configuration As long as an error message is displayed it...

Page 40: ...ync Source 7 3 1 GENERAL Tab This is the first tab displayed when using the web interface NTP Time Status This area shows basic information about the current time and date of the Time Server 8029NTS GPS The time always corresponds to UTC The reason for this is that NTP always works with UTC and not with local time Stratum displays the actual NTP stratum value of the Time Server 8029NTS GPS with th...

Page 41: ...manual setting INVA Invalid time Login The login box is described in Chapter 7 2 1 LOGIN and LOGOUT as User System Overview This table gives a direct overview of the Time Server s 8028NTS GPS current operating states WebGUI Description Sync Source OK When active RED there is a Sync Souce failure For details please go to GPS SYNC SOURCE tab Module Errors Announcement leap second inactive When activ...

Page 42: ...cess the WebGUI with the new network paramters again and to save the data with Save permanently 7 3 2 1 Host Nameservice Setting for the clear network detection 7 3 2 1 1 Hostname The standard setting for the Hostname is hopf8029nts This name should also be adapted to the respective network infrastructure If in doubt simply leave the standard value in place or ask your network administrator The ho...

Page 43: ...r details of the DNS server if not known If no DNS server is available special case enter 0 0 0 0 in the input field or leave the field blank 7 3 2 1 4 Use Manual Gateway Entries With this setting you can select whether the manually entered gateways Default Gateway IPv4 and Default Gateway IPv6 should be used If enabled is selected here the entries in Default Gateway IPv4 and Default Gateway IPv6 ...

Page 44: ...etwork Interface ETH0 Configuration of the Ethernet interface ETH0 of the Time Server 8029NTS GPS 7 3 2 1 8 Default Hardware Address MAC The factory default MAC address can only be read and cannot be changed by the user It is assigned once only by hopf Elektronik GmbH for each Ethernet interface For further information about the MAC address refer to Chapter 2 3 4 1 MAC Address for ETH0 for the Tim...

Page 45: ...s not known please contact your network administrator The use of customers MAC address needs to be activated by the function Use Custom Hardware Address MAC with enable The customers MAC address has to be entered in hexadecimal form with a colon to separateas described in the below example e g 00 03 c7 55 55 02 The MAC address assigned by hopf can be activated at any time by disabling this functio...

Page 46: ...nit describes the maximum size of a data packet of a protocol of the network layer layer 3 of OSI model measured in octets which can be transferred into the frame of a net of the security layer layer 2 of OSI model without fragmentation The Time Server 8029NTS is going to be delivered with default setting 1356 7 3 2 1 15 IPv6 The Time Server 8030NTS GPS can also be operated in an IPv6 network To e...

Page 47: ...ndard IEEE 802 1q are able to allocate individual network interfaces to specific VLANs To transfer data packets of several VLANs via a single network interface the data packets are marked with a related VLAN ID This method is called VLAN Tagging The network application at the other end of the line e g network switch router etc can allocate the data packet to the correct VLAN by checking the markin...

Page 48: ...local sub network range of the module in order to use the routes The parameterization of this feature is a critical process as an incorrect configuartion may lead to considerable problems on the network WebGUI with Routing activated The image above shows every configured route of the base system routing table as well as the user s defined routes The module cannot be used as a router Select Use Rou...

Page 49: ...e Syntax Each line of the routing file must be either a valid routing line or a comment line A comment line starts with a hash sign and can contain any text behind it A routing line has the format destination address tab length of the destination mask in bits tab gateway address for the specified destination If the host 192 168 20 11 is to be reached using the gateway 192 168 0 2 then the routing ...

Page 50: ...sabled for security reasons A correctly configured module is always accessible via the web interface Changes to the availability of a protocol enable disable take effect immediately For SNMP functionality an activation key is necessary If by mistake all protocol channels become disabled the SSH channel is automatically enabled after the attempt to save After a Factory Default the HTTP and SSH chan...

Page 51: ...protocols SNMPv2 and SNMPv3 are supported and can be configured and enabled independently from each other System Location and System Contact are global settings and are valid for both protocols SNMPv2 SNMPv3 In order to disable SNMPv2 both fields SNMP Read Only Community and SNMP Read Write Community must remain empty SNMPv2 SNMPv2 enabled SNMPv2 disabled Read Only Community set e g public empty R...

Page 52: ...that can be adjusted by the removal of the passphrases SNMPv3 noAuthNoPriv authNoPriv authPriv Authentication Passphrase empty set set Privacy Passphrase empty empty set Right now only one user is supported 7 3 2 5 Time Activation and configuration of different synchronization protocols All protocols can be enabled at the same time 7 3 2 5 1 Synchronization Protocols Time Protocols NTP SNTP etc Ne...

Page 53: ...erval every second every 10 second every 60 second Timebase see also Chapter 13 2 1 Time specific expressions Local time UTC Standard time Standard time with daylight standard time status Destination MAC Address 09 00 06 03 FF EF 09 00 06 01 FF EF FF FF FF FF FF FF Synchronization Status based on Starting Transmission Minimum Accuracy This setting defines at which internal accuracy status the SINE...

Page 54: ... available at http www ntp org NTP functionality is provided by an NTP Demon running on the embedded Linux of the Time Server 8029NTS GPS Depending on the receiving conditions and under unfavourable circumstances it may take several hours until long term accuracy is obtained normally 5 10 minutes During this time the NTP algorithm adjusts the internal accuracy parameters The NTP time protocol must...

Page 55: ... Server 8029NTS GPS the status to the leap second and the current system peer are also found here The NTP version used adjusts the leap second correctly The Time Server 8029NTS GPS works as NTP Server with stratum 1 and belongs to the best available class of NTP server as it has a reference clock with direct access 7 3 3 2 Kernel Info The Kernel Info overview shows the current error values of the ...

Page 56: ...ames Each NTP server driver that has been set up in the NTP server configuration is displayed in the peer information The connection status is displayed in the reachability column not reachable bad medium and reachable The first line displays the hopf refclock ntp driver that gets the time information directly from the Sync Source A short explanation and definition of the displayed values can be f...

Page 57: ...played here 7 3 3 4 1 Synchronization Source General Synchronization source As Synchronization source either GPS or DCF77 depending on the appropriate Sync Source has to be selected This is reuiqred in order to align the NTP algorithm for the calculation of the accuracy with the synchronization source Based on the selection of GPS even though GPS is not the source of the Sync Source different prod...

Page 58: ...ion of the Sync Source For the sychronization of NTP Clients during crystal operation of the Sync Source or for testing the system without connected synchronization source in the setting enabled any stratum value between 1 and 15 can be set Crystal Operation Stratum in Crystal Operation The value defined here range 1 15 designates the transmitted fallback NTP stratum level of the module in Quartz ...

Page 59: ...er The configuration of a multicast server is similar to that of a broadcast server However a multicast group address class D is used instead of the broadcast address An explanation of multicast technology goes beyond the scope of this document In principle a host or router sends a message to an IPv4 multicast group address and expects all hosts and routers to receive this message In doing so ther...

Page 60: ... NTP is a standard for synchronising clocks in computer systems via packet based communication networks For special applications a NON standard setting can be configured For activation of this special NTP setting the customer s approval shown in the WebGUI needed to be declared by checking the field I agree 7 3 3 5 1 Suppression of unspecified NTP Outputs Block Output when Stratum Unspecified Unsp...

Page 61: ...ng non saved configurations UTC NTP with Time Basis UTC According to the RFC standard NTP uses only the UTC time base Standard Time NTP with the Time Base Standard Time Using the NTP time protocol with the standard time base the released time information correspond with UTC plus the time difference adjusted in the base system without considering the daylight saving time changeover Local Time NTP w...

Page 62: ... Restart NTP The following screen appears after clicking on the Restart NTP option Restarting NTP services is the only possibility of making NTP changes effective without having to restart the entire Time Server 8029NTS GPS As can be seen from the warning message the currently reachable stability and accuracy get lost caused by this restart After a restart of the NTP service it takes up to 10 minu...

Page 63: ...sed when configuring the restrictions no Hostnames The following steps show how restrictions can be configured should these not be required it is sufficient to retain the standard settings The standard restrictions tell the NTP service how to handle packets of hosts including remote time servers and sub network which otherwise have no special restrictions The NTP configuration can simplify the sel...

Page 64: ...ts to be allowed to see the server status information when they receive the time information from the NTP service even if this is information about the module operating system and NTPD version No In this case select from the following standard restrictions See Chapter 7 3 3 7 6 Access Control Options kod notrap nopeer noquery Yes In this case select from the following standard restrictions See Cha...

Page 65: ...o its own NTP service is always allowed irrespective of whether standard restrictions are ignored or not This is necessary in order to be able to display NTP data on the web interface Add restriction exception for each remote time server Restrictions Press ADD Enter the IP address of the remote time server Enable restrictions e g notrap nopeer noquery Allow unrestricted access to a special host e ...

Page 66: ...t encrypted should be ignored it should be noted that this is a change from ntp 4 1 x The notrust option MUST NOT be used unless NTP Crypto e g symmetric key or Autokey has been correctly configured on both sides of the NTP connection e g NTP service and remote time server NTP service and client noquery Do not allow this host sub network to request the NTP service status The ntpd status request fu...

Page 67: ... authentication whereby a code word is used on the client side and a restriction on the server side NTP uses keys to implement the authentication These keys are used when data are exchanged between two machines In principle both sides must know this key The key can generally be found in the etc ntp keys directory It is unencrypted and hidden from public view This means that the key has to be distr...

Page 68: ...nge from 1 65534 This means that 65534 different keys can be defined Duplicate key ID s are not allowed Having now explained the principles of keys it should be possible to use a key in practically the same way as a password The value of the request key field is used as the password for the ntpdc tool while the value of the control key field is used as the password for the ntpq tool More informati...

Page 69: ...never visible In order to enable Autokey v2 authentication the Autokey Enabled option must be set to enabled and a password specified may not be blank A new server key and certificate can be generated by pressing the Generate now button Generate now This should be carried out regularly as these keys are only valid for one year If the Time Server 8029NTS GPS is to form part of an NTP trust group a ...

Page 70: ...ed depending on the Syslog level every message is transmitted to the Syslog server and stored in the Syslog file there Syslog uses Port 514 Co logging in the system itself is not possible as therefore the internal memory is not of sufficient size It should be noted that the standard Linux Unix Syslog mechanism is used for this functionality This is not the same as the Windows System Event mechanis...

Page 71: ...ng E mail addresses which each have different alarm levels Dependending on the configured level an E mail is sent after an error has occurred on the respective receiver A valid E mail server SMTP server must be entered for the purpose of correct configuration Some E mail servers only accept messages if the sender address entered is valid spam protection This can be inserted in the Sender Address f...

Page 72: ... these are based on UDP and therefore it is not certain that they will reach the configured host Several hosts can be configured However all have the same alarm level The private hopf enterprise MIB is also available over the web see Chapter 7 3 5 6 Downloading Configuration Files SNMP MIB The Alarm Level designates the priority level of the messages to be sent and determines from which level the ...

Page 73: ...t http www hopf com E Mail info hopf com 7 3 4 4 Alarm Messages Every message shown in the image can be configured with the displayed alarm levels Selection of the level NONE means that this message is completely ignored Depending on the messages their configured levels and notifications levels of the E mails a corresponding action is carried out if an event occurs Modified settings are failsafe s...

Page 74: ...mware Password administration and the update services for the module are also made accessible via this website The complete download zone is also a component of this site 7 3 5 1 Device Information All information is available exclusively in write protected and read only form Details on the board type serial number and current software versions are provided to the user for service and enquiry purp...

Page 75: ...is function serves to reset all values in the flash memory to their factory default values This also includes passwords see Chapter 12 1 Factory Default Values of Module 8029NTS Device Please log in as a Master user in accordance with the description in Chapter 7 2 1 LOGIN and LOGOUT as User Pressing the Reset now button releases setting of the factory default values Once this procedure has been t...

Page 76: ...ource here Module 8024GPS Reboot Device Restart of the internal Operating System Hardware Reset Board Reset including all Hardware components All settings not saved with Save are lost on reboot see Chapter 7 2 3 Enter or Changing Data Moreover the NTP service implemented in the system is restarted This leads to a renewed alignment phase with the loss of the stability and accuracy reached up to thi...

Page 77: ... be returned to the factory for repair at customer s expense Is the update on hand suitable for the module If there are any doubts please consult the support of the hopf company In order to guarantee a correct update the New version of saved site function must be set to On each access to the site on the Internet browser used During the update procedure the device must not be switched off not setti...

Page 78: ... update In order to select the correct image update the digit marked red of the serial number must be checked Required ZIP archive for the Image Update Red marked digit 1 Red marked digit 4 hopf8029NTS V2 SERI_GPS_SET_v07xx zip hopf8029NTS V2 NAND_GPS_SET_v07xx zip Content of the ZIP archive 8024A_128_v01xx mot readme_8029NTS V2 SERI_GPS txt release notes_8029NTS V2 SERI_GPS html upgrade_8029 SERI...

Page 79: ...ted by pressing the Update now button The update is installed if the transfer and checksum test are successful A success page is displayed and shows the number of bytes that have been transferred and installed After the image update the WebGUI displays a window to confirm the reboot of the Time Server 8029NTS GPS 7 3 5 1 Upload von Anwender SSL Server Zertifikat Upload Certificate Hiermit besteht ...

Page 80: ...mation can be written as unformatted text There are 2000 characters available to write failsafe into the device When saving the text only the following characters are accepted all other characters are discarded and therefore not displayed on the General page Capital letters A Z Lowercase letters a z Numbers 0 9 The following special characters space exclamation mark Comma dot Colon question mark A...

Page 81: ...H1 time datagram a special activation key is required for which an order with the hopf Elektronik GmbH can be placed Each activation key is related to a special board with an appropriate serial number and cannot be used for several boards For a subsequent order of an activation key the serial number of the Module 8029NTS device needs to be provided The serial number can be found under the tab DEVI...

Page 82: ...ly Key Reset Clears all activation keys and sets all optional features to status Inactive All other non optinal features are still available after peforming the key reset If an optional feature is enabled again the last stored configuration for this feature is restored 7 3 5 4 Diagnostics Function It status messages is enabled the output is processed as SYSLOG message This function should only be ...

Page 83: ...ertain configuration files via the web interface it is necessary to be logged on as a master user The loaded files System Configuration and Sync Module Log from the module is only used for support purposes and cannot be reloaded for adjusting the settings in the Time Server 8029NTS GPS For the download of the files System Configuration and Sync Module Log the following process is mandatory 1 Press...

Page 84: ... Sync Source by pressing the button 1 and failsafe stored in Module 8024GPS This behaviour is indicated on the modified display of the Apply button The buttons 2 and 3 are without function in the tab GPS SYNC SOURCE and are not required After the data transfer to 8024GPS it can take up to 30 seconds until the modified data are re read from 8029NTS for the WebGUI indication This delayed indication ...

Page 85: ... winter time Sync Source Status Display of the actual status of synchronization of the Sync Source with these possible values SYNC Time synchronized Quartz regulation started running SYOF Time synchronized SyncOFF running SYSI Time synchronized as simulation mode without actual GPS reception QUON Quartz Crystal time SyncON running QUEX Quartz Crystal time in freewheel after synchronization failure...

Page 86: ... Time Zone Offset Setting of the difference time Time Zone Offset from UTC to the local standard time winter time in the Sync Source here Module 8024GPS The difference time to be entered always relates to the local standard time winter time even though the commissioning or rather the input of the difference time takes place during daylight saving time Offset Hours Time Zone Offset input of the ful...

Page 87: ...ly calculated for the running year After the turn of the year the changeover times for summer winter time are automatically recalculated without any user intervention DST Activation enabled disabled Changeover times for summer winter time DST Begin Changeover time for standard time to Daylight Saving Time DST End Changeover time for Daylight Saving Time to standard time The individual items have t...

Page 88: ...tellites in View Number of available satellites detected by the GPS receiver Satellites Tracked Effective number of received satellites used for synchronization Satellites Number S N Ratio Overview of actually received GPS satellites with their number and reception quality and the pertinent interpretation green 48 Good reception quality yellow 31 47 Sufficient reception quality red 0 30 Poor recep...

Page 89: ...gnal runtime to several satellites is determined from the calculated position and the precise second mark is generated from their mean value Stationary Mode Position Fixed Standard operation In Stationary Mode Fixed position the GPS receiver calculates its accuracy based on a fixed position If four or more satellites are received in this mode the exact location is updated automatically In this mod...

Page 90: ...is not required for this device and should always be set to 0 SyncOFF Timer This value is used to provide reception failure bypassing for an error message free operation even under poor reception conditions In the event of a reception failure of the Sync Soure here Module 8024GPS the re synchronization of the Sync Source to quartz status is delayed by the set value The system continues to run in s...

Page 91: ...rnet http www hopf com E Mail info hopf com 7 3 6 9 Module Info This tab indicates information about the hardware and software of the Module 8024GPS Sync Source implemented in the Time Server 8029NTS GPS These details might be provided for serive and support puposes 7 3 6 10 Module Reset This function triggers a hardware reset of just the Sync Source here Module 8024GPS This function has no effect...

Page 92: ...nerate the correct information on the leap second from the GPS data Only then the Sync Source here Module 8024GPS can be synchronized During this time however only when the GPS receiver really receives satellites the following message is displayed in the tab Module Errors GPS Receiver in raw data mode no sychronisation If the changeover times for summer winter time and the difference time are not ...

Page 93: ...ts may under certain circumstances require the module to be returned to the factory for repair at customer s expense Is the the update on hand suitable for the module If there are any doubts please consult the support of the hopf company In order to guarantee a correct update the New version of saved site function must be set to On each access to the site on the Internet browser used During the up...

Page 94: ...enscheid Tel 49 0 2351 9386 86 Fax 49 0 2351 9386 93 Internet http www hopf com E Mail info hopf com 7 3 6 13 Sync Source Errors This tab displays the currrent failure status of the Sync Source here Module 8024GPS If a collected error message is displayed in the GENERAL tab there is at least one error Sync Source Error This page is updated automatically every 5 seconds ...

Page 95: ...tz frequency error Problems with the internal quartz regulation of the Sync Source here Module 8024GPS have occured So the specified accuracy of the Sync Source cannot be guaranteed anymore Antenna circuit shorted The Sync Source here Module 8024GPS has detected a short circuit in the antenna system The antenna system should be checked Antenna circuit open The Sync Source here Module 8024GPS has d...

Page 96: ...d in this selection window in rising quality from the bottom to the top SYNC optimal condition Behaviour of Optical Coupler Selected status achieved or better Optical coupler switched through Selected status not achieved Optical coupler blocked Value range Optical Coupler Status SYNC Time synchronized Quartz regulation started running SYOF Time synchronized SyncOFF running SYSI Time synchronized a...

Page 97: ...sively via the WebGUI It is just as easy to use SSH Port 22 or Telnet Port 23 as the WebGUI Both protocols use the same user interface and menu structure The user names and passwords are the same as on the WebGUI and are kept in alignment see Chapter 7 3 5 5 Passwords Master Device SSH does not allow blank passwords for safety reasons The corresponding protocols should be enabled for the use of Te...

Page 98: ... describing the error when contacting the hopf support If possible for each problem the entire status in the tabs GENERAL and GPS SYNC SOURCE page Module Errors via WebGUI should always be checked 9 1 1 Complete Failure Description The Status LEDs on the front panel are off Cause Problem Solution Device is switched off Voltage supply failure Power supply defective 9 1 2 No GPS Reception No Synchro...

Page 99: ...equipment is not synchronized Possible Errors The cable is too long An incorrect cable type was used for the length of the antenna equipment The BNC connectors are poorly mounted The cable is bent or crimped Indirect lightning protection was irreversibly damaged by overvoltage The antenna is defective Case 4 Effect The equipment was working perfectly but has not been receiving for several days 7 s...

Page 100: ...ption and the following information If possible for each problem the Configuration File in the tab DEVICE should be downloaded from the device and be sent to the hopf support see Chapter 7 3 5 10 Download of Configurations SNMP MIB With the file System Configuration or if not possible with the serial number of the System When does the error occur During commissioning or operation Exact error descr...

Page 101: ...ing The following must not be used to clean the Time Server 8029NTS GPS Fluids Cleaning agents containing solvents Cleaning agents containing acids Abrasive media The use of such cleaning agents or media could damage the Time Server 8029NTS GPS Do not use a wet cloth to clean the Time Server 8029NTS GPS There is the danger of an electric shock To clean the Time Server 8029NTS GPS use a cloth that ...

Page 102: ...th DIN EN 60715 TH35 Protection type of the housing IP30 Protection class I with PE connection Housing design Aluminium closed Housing dimensions See Chapter 11 5 Dimensions DIN Rail Housing Weight Approx 0 8kg Ambient Conditions Temperature range Operation 0 C to 55 C Storage 20 C to 75 C Humidtiy max 95 non condensing CE Conformity EMV Directive 2014 30 EU EN 55022 2010 AC 2011 EN 61000 3 2 2006...

Page 103: ...et 1ms HIGH Lambda 15ms and Stratum 1 15 Stability 2ppm or Offset 1ms MEDIUM Lambda 15ms or Stratum 16 LOW DCF77 System Accuracy Lambda 15ms and Stratum 1 15 Stability 0 6ppm HIGH Lambda 15ms and Stratum 1 15 Stability 0 6ppm to 2ppm Offset 2ms HIGH Lambda 15ms and Stratum 1 15 Stability 2ppm or Offset 2ms MEDIUM Lambda 15ms or Stratum 16 LOW Time Protocols NTPv4 Server NTP Broadcast Mode NTP Mult...

Page 104: ... T 20 C Drift für T 20 C konstant nach 1h 0 72µsec nach 24h 1 73msec Internal back up clock RTC 25ppm for T 10 C to 50 C GPS Data Receiver type 22 channel phase tracking receiver C A code Evaluation L1 frequency 1575 42MHz Sensitivity Tracking 161dBm Cold Start 148dBm Synchronization time TTF Time to First Fix Warm start 1min Cold start 5min First inizialising 12 5min without valid leap second inf...

Page 105: ... 230V AC Hold up time at nominal laod 20msec 100V AC 20msec 100V AC Start up time after connected mains voltage 1 sec 1 sec Transient overvoltage protection Overvoltage protection III EN 60664 1 Overvoltage protection III EN 60664 1 Protection supply internal 400 mA slow blow device protection 400 mA slow blow device protection Recommended back up fuse AC Circuit breaker 6A 10A charakteristics B E...

Page 106: ...DC Input voltage range 18 36V DC 36 76V DC Current consumption at nominal values approx 0 69A Approx 0 35A Start up time after connected mains voltage 200msec 200msec Protection supply internal Device protection 2A fast blow 1A fast blow Input isolation voltage Input Output 1 500V DC 1 minute 500V DC 50M min 20 C 15 C 1 500V DC 1 minute 500V DC 50M min 20 C 15 C Output Data only internal Internal ...

Page 107: ...für 35mm Hutschienenmontage DIN EN 50 022 35mm rail mounting DIN EN 50 022 Front Panel Parts Front Panel Parts W 105 00 4 13 2 50 0 10 2 50 0 10 26 80 1 06 50 00 1 97 105 00 4 13 C L All dimensions in mm inch Material Aluminium TYPE L W C 1 2 3 5 6 ength idth lip 130 64 5 40 0 130 100 0 80 0 130 135 0 80 0 175 100 0 80 0 175 135 0 80 0 5 12 2 54 1 57 5 12 3 94 3 15 5 12 5 31 3 15 6 89 2 54 1 57 6 ...

Page 108: ...e re configured to DCF77 after a factory default NTP Server Configuration Setting WebGUI Sync Source DCF77 DCF77 12 1 1 Network Host Name Service Setting WebGUI Hostname hopf8029nts hopf8029nts Use Manual DNS Entries Enabled Enabled DNS Server 1 IPv4 IPv6 Address Blank DNS Server 2 IPv4 IPv6 Address Blank DNS Server 3 IPv4 IPv6 Address Blank Use Manual Gateway Entries Enabled Enabled Default Gatew...

Page 109: ... Setting WebGUI Send Interval Every second 1 second Timebase UTC UTC Destination MAC Address 09 00 06 03 FF EF 09 00 06 03 FF EF Minimum Accuracy LOW LOW 12 1 2 NTP NTP Server Configuration Setting WebGUI Sync Source GPS GPS NTP to Syslog Disabled Disabled Switch to specific stratum Disabled Disabled Stratum in crystal operation Blank Broadcast address Blank Authentication Disabled None Key ID Bla...

Page 110: ...el Disabled None E mail Configuration Setting WebGUI E mail Notifications Disabled Disabled SMTP Server Blank Sender Address Blank E mail Addresses Blank SNMP Traps Configuration Setting WebGUI SNMP Traps Disabled Disabled Alarm Level Disabled None SNMP Trap Receivers Blank Alarm Messages Setting WebGUI Alarms All disabled All none 12 1 4 DEVICE User Passwords Settings WebGUI Master Password maste...

Page 111: ...ng a factory default of Module 8024GPS two steps are carried out 1 Deleting the current leap second information in the GPS receiver 2 Following parameters are set to default values Difference time 00h 00min east Changeover times disabled Begin of Daylight Saving Time Week first Day Monday Month January Hour 0 End of Daylight Saving Time Week first Day Monday Month January Hour 0 SyncON SyncOFF Tim...

Page 112: ...sents the maximum error of the local clock relative to the reference clock Jitter The estimated time error of the system clock measured as the average exponential value of the time offset 13 2 Tally Codes NTP specific space reject Rejected peer either the peer is not reachable or its synchronization distance is too great x falsetick The peer was picked out by the NTP intersection algorithm as a fa...

Page 113: ...e fact that local daylight and sunlight coincide at different times in the individual time zones The zero meridian runs through the British city of Greenwich Time Offset This is the difference between UTC and the valid standard time of the current time zone The Time Offset will be commit from the local time zone Local Standard Time winter time Standard Time UTC Time Offset The time offset is defin...

Page 114: ... Protocol LAN Local Area Network LED Light Emitting Diode NTP Network Time Protocol NE Network Element OEM Original Equipment Manufacturer OS Operating System RFC Request for Comments SNMP Simple Network Management Protocol handled by more than 60 RFCs SNTP Simple Network Time Protocol S STD Standard Time TCP Transmission Control Protocol http de wikipedia org wiki User_Datagram_Protocol ToD Time ...

Page 115: ...tems via packet based communication networks Although it is processed mainly over UDP it can also be transported by other layer 4 protocols such as TCP It was specially developed to facilitate reliable timing via networks with variable packet runtime NTP uses the Marzullo algorithm devised by Keith Marzullo of the San Diego University in his dissertation with a UTC timescale and supports leap seco...

Page 116: ...es are able to represent the hierarchical structure of the data of any SNMP agent and to request data from them In addition to the MIB s defined in the RFC s every software and hardware manufacturer can define his own so called private MIB s which reflect the special characteristics of his product 13 4 4 TCP IP Transmission Control Protocol Internet Protocol TCP and IP are generally used concurren...

Page 117: ...ver is exactly as long as the return path The NTP algorithm can only filter out changes on a statistical basis The use of several servers makes it possible for the combining algorithm to pick up and filter out any such errors However there is no possibility of filtering if this asymmetry is present on all or most of the NTP servers faulty routing etc 3 It goes without saying that the accuracy of t...

Page 118: ...ww hopf com E Mail info hopf com 14 List of RFCs NTPv4 Protocol and Algorithms Specification RFC 5905 NTPv4 Autokey Specification RFC 5906 PPS API RFC 2783 DHCP RFC 2131 Time Protocol RFC 868 Daytime Protocol RFC 867 HTTP RFC 2616 HTTPS RFC 2818 SSH 2 RFC 4250 4256 4335 4344 4345 4419 4432 4716 5656 TELNET RFC 854 861 SNMPv2 RFC 1213 RFC1901 1908 SNMPv3 RFC 3410 3418 SYSLOG RFC 5424 SMTP RFC 5321 ...

Page 119: ...6 BSD no cifs utils 6 7 GPL v3 no ethtool 4 13 GPL v2 no libevent 2 1 8 stable 3 clause BSD no libopenssl 1 0 2n Dual http www openssl org source license html no libpcap 1 8 1 BSD no libzlib 1 2 11 Copyright C 1995 2017 Jean loup Gailly and Mark Adler This software is provided as is without any express or implied warranty In no event will the authors be held liable for any damages arising from the...

Page 120: ...RY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE linux 4 8 6 GPL v2 n...

Page 121: ...strictions 1 Redistributions of source code in whole or in part must retain the above copyright notice definition disclaimer and this list of conditions 2 Redistributions in binary form compiled executables and libraries must reproduce the above copyright notice definition disclaimer and this list of conditions in documentation and or other materials provided with the distribution The sole excepti...

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