Meinberg SHSPZF LANTIME User Manual

Technical InformationOperating InstructionsLANTIME /SHSPZFETX BGT

If it is necessary to provide redundancy against hardware failure then it is alsopossible to install several LANTIME NTP serv

Further configuration possibilitiesBecause the timeserver uses a standard version of the net-snmp SNMP daemon(with extended features covering the time

GenerateHTTPSKey(5)A new HTTPS key will be generated.ResetFactoryDefaults(6)The configuration of the timeserver is reset to factory

Configuration of the timeserver with SNMP: ReferenceThe MIB of the timeserver includes the following parts:SNMP Object Name Descriptionenterprises.559

SNMP branch Variable Data type DescriptionmbgLtCfgNtpServer3KEY integer Link to the key which should be usedfor the third NTP-servermbgLtCfgStratumLoc

SNMP branch Variable Data type DescriptionmbgLtCfgNotify mbgLtCfgNotifyNTPNotSyncstring(combination)Exactly one, none or a combination ofthe following

SNMP TrapsIf configured, the LANTIME is sending SNMP traps, which can be received by upto 2 SNMP management systems. These traps can be received by us

SNMP Trap ReferenceAll traps can be found under the mbgLtTraps section in the Meinberg MIB. Aspecial trap exists for every notification event the time

Attachment: Technical InformationSkilled/Service-Personnel only: Replacing the Lithium BatteryThe life time of the lithium battery on the board is at

Safety instructions for building-in equipmentThis building-in equipment has been designed and tested in accordance with therequirements of Standard IE

Rear- / Front Panel ConnectorsName Type Signal Cable

If one or more additional LANTIME NTP servers are available on the network thenclients which have been configured to use all of them will automaticall

Rear View LANTIME110

SUB-D Connector Assignments 111

Technical Specifications GPS167RECEIVER: 6 channel C/A code receiver with external antenna/converter unitANTENNA: Antenna/converter unit with remote p

Accuracy of frequency TCXO quartz (standard)113

Technical Specifications GPS167 AntennaANTENNA: Dielectric patch antenna, 25 x 25 mmReceive frequency: 1575.42 MHzBandwidth: 9 MHzCONVERTER: Local osc

Signal Description GPS167Name Pin FunctionGND 32a+c GroundVCC in (+5 V) 1a+c +5 V supplyVCC in (+12 V) 2a+c +12 V supplyP_SEC out 6c Pulse when second

Rear Connector Pin Assignments GPS167a c1 VCC in (+5V) VCC in (+5V)2 VCC in (+12V) VCC in (+12V)3 VDD in (TCXO/OCXO) VDD in (TCXO/OCXO)4 (reserved, F

Technical specifications PZF5xxRECEIVER: Preamplifier with two post-connected receiver channels for bestaquisition and tracking of the DCF-signals.CON

HUMIDITY: Relativ humidity 85 % max.TEMPERATURERANGE: 0° - 60 ° CelsiusPOWERSUPPLY: + 5 V, approx. 330 mA118

Signal description PZF5xxName Pin FunctionGND 32a+c Reference potentialVCC in (+5 V) 1a+c +5 V power supplyVDD in (+12 V) 2a+c +12 V power supply, res

The Modular System LANTIMELANTIME is a set of equipment composed of a satellite controlled clock GPS167,a long wave receiver PZF5xx, a single-board co

Rear Connector Pin Assignments PZF5xxa c1 VCC in (+5V) VCC in (+5V)2 VDD in (+12V) VDD in (+12V)34 /BOOT in DCF_MARK out5 reserved6 /P_SEC out P_SEC

Technical Specifications LAN CPUPROCESSOR: GeodeTM GX1 with 266 MHzMAIN MEMORY: 32 MB (to 64 MB upgradeable)CACHE-MEMORY: 16 KB 2nd Level CacheFLASHDI

Rear Connector Pin Assignments LAN CPUc b a1 VCC in (+5V) VCC in (+5V) VCC in (+5V)2 VCC in (+5V) VCC in (+5V) VCC in (+5V)3 GND GND GND4 PPS in /AFD

Technical Specifications Power Supply Unit PULS AP 336-505INPUTVOLTAGE: 105 ... 300 V DC, max. 0.7 A85 ... 265 V AC, 47... 63 Hz, max. 1.5 AFUSE: Elec

Time StringsFormat of the Meinberg Standard Time StringThe Meinberg Standard Time String is a sequence of 32 ASCII characters startingwith the STX

Format of the GPS167 Capture StringThe Meinberg GPS167 Capture String is a sequence of 31 ASCII charactersterminated by a CR/LF

Format of the SAT-Time StringThe SAT-Time String is a sequence of 29 ASCII characters starting with the STX(start-of-text) character and ending with t

Format of the Uni Erlangen String (NTP) The time string Uni Erlangen (NTP) of a GPS-clock is a sequence of 66 ASCIIcharacters starting with the STX

i leap second insertion‘L’ leap second is actually inserted(active only in 60th sec.)‘ ‘ (space, 20h) no leap second is insertedbbb.bbbb latitude of r

Format of the NMEA 0183 String (RMC)The NMEA String is a sequence of 65 ASCII characters starting with the ‘$’character and ending wi

Supported Network ServicesThe following network services are provided via RJ45 10/100Base-T Ethernet (Autosensing):- NTP v2, v3, v4- NTP broadcast mod

Format of the ABB SPA Time StringThe ABB SPA Time String is a sequence of 32 ASCII characters starting with thecharacters ">900WD" and en

Format of the COMPUTIME Time StringThe COMPUTIME Time String is a sequence of 24 ASCII characters starting withthe characters “T" and end

Menu Quick Reference132

Declaration of ConformityHersteller Meinberg Funkuhren GmbH & Co. KGManufacturer Auf der Landwehr 22 D-31812 Bad Pyrmonterklär

Manual VP100/NET Display configurationsend2display Version 0.1usage:send2display -h hostname -s serialnumber [options]Valid options are:-h, --host H U

If you want the message (any type) to appear periodically, you can set the time in-terval with:-D, --periodday D Display message every D days-H, --per

Global Configuration FileThis file contains all global parameters of the LANTIME. You can find this file onthe write protected flash disk at /mnt/flas

SNMP Location String [ASCII,50]:Germany# Windows Messages SectionWMail Address 1 [ASCII,50]:WMail Address 2

Third party softwareThe LANTIME network timeserver is running a number of software productscreated and/or maintained by open source

Network Time Protocol Version 4 (NTP)The NTP project, lead by David L. Mills, can be reached in the internet atwww.ntp.org

Additional Features and Options- external NTP timeserver- free configuration of NTP: thereby MD5 authentication and access control via ad-dress &

GNU General Public License (GPL) GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc.

Program (independent of having been made by running the Program).Whether that is true depends on what the Program does. 1. You may copy and distribut

making modifications to it. For an executable work, complete sourcecode means all the source code for all modules it contains, plus anyassociated int

the limitation as if written in the body of this License. 9. The Free Software Foundation may publish revised and/or new versionsof the General Publi

Timecode (option)AbstractThe transmission of coded timing signals began to take on widespread importancein the early 1950´s. Especially the US missile

IRIG Standard Format 145

AFNOR Standard Format 146

Assignment of CF Segment in IEEE1344 Code147Bit No. Designation Description49 Position Identifier P550 Year BCD encoded 1low nibble of BCD encoded yea

Generated Time CodesBesides the amplitude modulated sine wave signal, the board also providesunmodulated DC-Level Shift TTL

OutputsThe module GPS167-TC provides modulated and unmodulated (DC-Level Shift)outputs. The format of the timecodes is illustrated in the diagramms

Why to use a Network TimeserverA network timeserver should be used if accurate time is essential for undisturbedoperation. It is possible to synchroni

USB StickVia front panel Lantime supports a USB connector to plug in a USB MemoryStick. This USB stick can be used for different

Menu Configuration FilesEvery submenu will be defined by a spezial formated text file. The name of this filehas to be started with „menu_“. This file

Menu Script FilesThe name of the script file which will be activated when pressing the CLR/ACKbutton on a submenu will be defined in the Menu configur

Reference[Mills88] Mills, D. L., "Network Time Protocol (Version 1) - specification and implementation",DARPA Networking Group Report RFC-10

NTP TargetThe software package NTP was tested on different UNIX systems. Many UNIXsystems have pre-installed a NTP client. Only some configurations ha

The NTP daemon is started with "ntpd" or, using "rc.local", while booting the system.Status messages during operation are

GPS satellite controlled clockA Meinberg GPS167 satellite controlled radio clock is used as a reference timebase. The satellite receiver clock GPS167

GPS167 FeaturesThe hardware of GPS167 is a 100 mm x 160 mm microprocessor board. The frontpanel integrates a 2 x 40 character LC display,

Contact InformationMeinberg Funkuhren GmbH & Co. KGAuf der Landwehr 22D-31812 Bad PyrmontTelephone: +49 (0) 52 81 / 9309-0Telefax: +49 (0) 52 81 /

Mounting the GPS AntennaThe GPS satellites are not stationary but circle round the globe in a period of about12 hours. They can only be received if no

Assembly with CN-UB/EType N / BNCmaleType NmaleType NmaleCN-UB/E1.5m max.Type NmaleGPS167AntennaMeinbergGPSAs short as possible!Antenna Short-CircuitI

General information DCF77 PZFThe German long wave transmitter DCF77 started continuous operation in 1970.The introduction of time codes in 1973 build

Features of PZF5xxThe PZF5xx is a high precision receive module for the DCF77-signal build in eurocard size (100 mm x 160 mm).The micro controller of

The best method of mounting the antenna is to look for the minimum field strengthand turn the antenna by 90° to maximum then. A high field strength on

Powering Up the SystemWhen the LANTIME/SHS is switched on the SHS STATE menu is displayedbecause the two receivers (GPS and PZF) are

Booting the Single Board ComputerThe LINUX operating system is loaded from a packed file on the flash disk of thesingle board computer to a RAM disk.

Configuration User InterfaceThere are several ways to configure the LANTIME parameters:Command Line Interface (CLI) via TELNETCommand Line Interface v

The Front Panel LayoutGPS FAIL LEDThe FAIL LED is turned on whenever the TIME_SYN output is low (receiver isnot synchronized).GPS LOCK LEDThe LOCK LED

Configuration via LC DisplayOn first installation of LANTIME the network parameters can only be configuredby the front panels push buttons and the LC

Table of ContentsQuick Start... 8NTP

The menus in DetailRoot MenuThe root menu is shown when the receiver has completed initialisation after power-up. The left side of the first line of t

Menu SHS StateThe SHS state is displayed automatically whenever a time limit error occurs, i.e.the deviation between GPS time and PZF time is larger t

Menu SV CONSTELLATIONThe SV constellation menu gives an overview of the current satellites (SVs) inview. The second line of the display shows the numb

Menu SETUPFrom this menu, several topics can be selected which let the user edit parameters orforce special modes of operation. A specific topic can b

SETUP SHS Time LimitIn this menu the maximum time limit is to be configured. If the deviation betweenGPS time and PZF time exceeds the configured time

SETUP PZF PARAMETERSIn this submenu the PZF specific parameters can be edited. The distance to thetransmitter is entered in the menu "

SETUP PZF PARAMETERS TIME The menu "TIME" lets the user edit the date and the day of week of the PZF509 radioclock. SETUP PZF PARAMETERS

SETUP TIME ZONEThis menu lets the user enter the names of the local time zone with daylight savingdisabled and enabled, together with the zones´ time

ON/OFF should be configured in the submenu TIMEZONE. After this a restartshould be done. SETUPDAYLIGHT SAV ON DAYLI

SETUP SERIAL PORTThis menu lets the user configure the baud rate and the framing of the serial RS232port to one of the following values:Baud Rate: 300

NEXT Key...28INC Key...

SETUP INITIAL POSITIONWhen the receiver is primarily installed at a new location far away from the lastposition saved in the receiver’s memory the sat

INITIATE COLD BOOTThis menu lets the user initialise all GPS data’s, i.e. all saved satellite data’s will becleared. The user has to acknowledge this

Front panel PZF509 Pilot lampsThe 'Feld'-LED is switched on if a DCF-signal with at least minimum field strengthneeded for the correlation r

PZF Menu itemsThe type of DCF-clock and the software revision are displayed first after power-up.The following information are readable before the PZF

The LANTIME configuration interfacesThe LANTIME offers three different options for configuration and statusmanagement: Web interface

The web interfaceConnect to the web interface by entering the following address into the addressfield of your web browser:http://198.168.10.10(You nee

Configuration: Main MenuAfter entering the right password, the main menu page shows up. This pagecontains an overview of the m

Configuration: Ethernet47

In the network configuration all parameters related to the network interfaces can bechanged. In the first section you can change the hostname and doma

Network interface specific configurationThe interface specific parameters can be found in the Interface section. If yourLANTIME is equipped with only

User defined Alarm scripts...55Alarm messages...

Examples: "::" is the address, which simply consists of zeros "::1" is the address, which only consists of zeros and a 1 as the

Additional Network ConfigurationYou can configure additional network parameter like special network routes oralias definitions. For this you will

Configuration: Notification52

Alarm eventsOn this page you can set up different notification types for a number of events. Thisis an important feature because of the nature of a ti

Windows Popup MessagesMost Microsoft Windows operating systems provide you with a local notificationtool. You can send messages via the special Window

User defined Alarm scriptsYou can define your own alarm script for every event by using the “Edit userdefined notification script”. This script w

Configuration: Security56

PasswordOn the ““Security““ page you can manage all security relevant parameters for yourtimeserver. In the first section “Login” the administration p

SSH Secure Shell LoginThe SSH provides you with a secure shell access to your timeserver. Theconnection is encrypted, so no re

Generate SSL Certificate for HTTPS HTTPS is the standard for encrypted transmission of data between web browserand web server. It relies on X.509 cert

Administrative information... 93Software Update...

NTP keys and certificatesThe fourth and fifth section of the “Security“ page allow you to create the neededcrypto keys and certificates for secure NTP

Configuration: NTPThe NTP configuration page is used to set up the additional NTP parametersneeded for a more specific configur

interpreting the PPS (pulse per second) of the GPS reference clock. The defaultconfiguration looks like this:# *** lantime ***#

The NTP Trusttime will specify the time how long the NTP will trust the referencetime if this is not synchronized (free running). This time will be se

NTP AuthenticationNTP version 2 and version 3 support an authentication method using symmetrickeys. If a packet is sent by the NTPD while using this

The ntp.keys file mentioned above holds a list of all keys and their respective IDknown by the server. This file should not be world-readable (only ro

NTP AUTOKEYNTP Version 4 supports symmetric keys and additionally provides the so-calledAUTOKEY feature. The authentic of received time at the NTP cli

A LANTIME can be a trusted authority / trusted host combination and also a “non-trusted” host in such a secure group.To configure the LANTIME as a TA

Example:This autokey group is formed by one Stratum-1-server (B), two Stratum-2-servers (Dand E) and a number of clients (in the diagram there are 4 c

Configuration: Local69

Format of the ABB SPA Time String... 130Format of the COMPUTIME Time String...

Administrative functionsIn the first section there are several functions which may be used by theadministrator. The button

Please be aware of the fact that the default configuration is not activated instantly. Ifyou want to avoid setting up the IP address of your unit by l

Administrative InformationThe button “List all messages“ displays the SYSLOG of the LANTIMEcompletely. In this log all subsystems

Using the button “List detailed SHS information“ gives you the possibility to checkdetailed SHS status information. The first parameter indicates the

Software UpdateIf you need to update the software of your LANTIME, you need a special file fromMeinberg, which can be uploaded to the LANTIME by first

Automatic configuration checkAll parameters of the LANTIME can be checked for plausibility and all configuredservers (e.g. SYSLOG servers, nam

Get Diagnostics InformationThe diagnostics information is a set of configuration parameters and files stored ina packed text file. With the help of th

Configuration: Statistics77

Statistical InformationIn the first section a graphical diagram shows the running synchronisation process.NTP is storing this statistical information

Configuration: ManualThis page gives you access to the documents stored on your LANTIME, especiallythe manuals and your own notes. The two lists inclu

Quick Start- Approximately 30 seconds after power up the lower display line shows "NTP: notsync" instead of "NTP: not ready". NORM

If you want to add a note (you can maintain more than one note on your LANTIME),after choosing the button “add note” you have to enter a filename (wit

The Command Line InterfaceThe command line interface (CLI) can be used within a TELNET or SSH session.After login, just enter “setup” to start the CLI

CLI EthernetIn the network configuration all parameters related to the network interfaces can bechanged. In the first section you can change the hostn

NETBIOS cannot be used over IPv6 in this version. IPv4 and IPv6 can be usedtogether on one LANTIME.To manage the interface specific parameters,

If the DHCP client has been activated, the automatically obtained parameters areshown in the appropriate fields (IPv4 address, netmask, gateway).Yo

CLI NotificationAlarm eventsOn this page you can set up different notification types for a number of events. Thisis an important feature becau

Every event can use a combination of those four notification types, of course you candisable notification for events by disabling all notification typ

Windows Popup MessagesMost Microsoft Windows operating systems provide you with a local notificationtool. You can send messages via the special Window

CLI SecurityPasswordOn the “Security“ page you can manage all security relevant parameters for yourtimeserver. In the first section “Login” the admini

If you enabled SSH, your LANTIME automatically is able to use secure file transferwith SCP or SFTP protocol. The usage of FTP as a file transfer proto

NTP-Timeserver LANTIME/SHSSecure Hybrid System with Strongly Verificated Reference TimeMeinberg LANTIME devices are Stratum-1 time servers which prov

CLI NTP ParameterThe NTP configuration page is used to set up the additional NTP parametersneeded for a more specific configura

CLI NTP AuthenticationPlease see the corresponding chapter in the web interface description.CLI NTP AutokeyPlease see the corresponding chapter in the

CLI LocalAdministrative functionsIn the first section there are several functions which may be used by theadministrator. The

The function “Reset to factory defaults“ is setting all configuration parameters backto default values. The regular file /mnt/flash/global_configurati

Mar 15 13:35:17 LanGpsV4 ntpd[12948]: frequency initialized 45.212 PPM from /etc/ntp.driftMar 15 13:38:36 LanGpsV4 lantime[417]: NTP sync to GPSMar 15

The next section “Satellite Info“ shows information about all the satellites, which arein view momentarily. The satellite ID, elevation, Azimuth and d

SNMP SupportThe Simple Network Management Protocol (SNMP) has been created to achieve astandard for the management of different networks and the compo

...mbgLtNtp.mbgLtNtpCurrentState.0 = 1 : no good refclock (->local)...mbgLtNtp.mbgLtNtpCurrentStateVal.0 = 1...mbgLtNtp.mbgLtNtpStratum.0 = 12...mb

Configuration over SNMP The LANTIME timeserver can be configured via several user interfaces. Besidesthe possibility to setup its parameters with the

Examples for the usage of the SNMP configuration featuresThe following examples are using the software net-snmp, a SNMP open sourceproject. You will f