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Meinberg LANTIME M600 MRS, User Manual

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Page 4

3 Network Timeserver synchronized by multiple reference time sources

3 Network Timeserver synchronized by multiple

reference time sources

A LANTIME (Local Area Network Timeserver) provides a high precision time base to a TCP/IP network (Stratum-

1-Server). The NTP (Network Time Protocol) is used to synchronize all NTP clients with the reference. The

several LANTIME variants dier from each other by the time reference. A GPS receiver, a DCF77 receiver or an

IRIG time code receiver can be integrated as an internal reference as well as a combination of these references

(hybrid system). External references are also possible. Up to 7 NTP timeservers, external 1PPS or 10 MHz

signals, external IRIG Time Code signals or optionally a PTP IEEE 1588 grandmaster (M400, M600 and M900

only) can be used to control the internal oscillator.

The LANTIME/MRS is a set of equipment composed of a GPS170 satellite controlled clock, a single-board

computer with integrated network board, and a power supply, all installed in a metal 19 inch modular chassis

and ready to operate. Optionally a additional network card with hardware timestamping for the Precision Time

Protocol (PTP) IEEE 1588 will be integrated (M400, M600 and M900 only). A simplied LINUX operating

system is installed on the single-board computers ash disk. Eight push buttons and a display can be used to

congure and monitor the timeserver. After the network connection has been established the timeserver can

also be congured and monitored remotely from a workstation via TELNET or FTP. An integrated HTTP server

enables access to the LANTIME by using an ordinary WEB browser.

4

Date: 31st July 2014

LANTIME M600 MRS

Summary of Contents for LANTIME M600 MRS

Page 1: ...MANUAL LANTIME M600 MRS Multi Reference Source NTP Server 31st July 2014 Meinberg Radio Clocks GmbH Co KG ...

Page 2: ......

Page 3: ...a Short Circuit 15 8 Booting the GPS170 receiver 16 9 Booting the Single Board Computer 17 10 Configuration User Interface 18 10 1 Introduction Con guration LANTIME 18 10 2 Description of the graphical menu VF Display 19 10 3 The menus in Detail 23 10 4 Menu Reference Time 25 10 4 1 Menu Setup MRS 25 10 4 2 Menu IRIG Input Management 27 10 4 3 Info GPS Receiver 29 10 4 4 GPS Receiver Position 29 1...

Page 4: ...tion Ethernet 51 12 2 1 SYSLOG Server 52 12 3 Network interface speci c con guration 53 12 3 1 IPv4 addresses and DHCP 53 12 3 2 IPv6 addresses and autoconf 53 12 3 3 High Availability Bonding 54 12 3 4 Additional Network Con guration 55 12 4 Con guration Noti cation 56 12 4 1 Alarm Events 57 12 4 2 E mail messages 58 12 4 3 Windows Popup Messages 58 12 4 4 SNMP TRAP messages 58 12 4 5 VP100 NET w...

Page 5: ...g the Lithium Battery 109 15 2 Technical Speci cations M600 300 Multipac 110 15 3 Safety instructions for building in equipment 111 15 3 1 CE Label 111 15 3 2 Compliance with International Standards 112 15 4 Rear Panel Connectors 113 15 5 Pin Assignment Serial Connectors 114 15 5 1 Serial Time String 114 15 5 2 TERMINAL Console 114 15 6 Error Relay 115 15 6 1 Technical Speci cation 115 15 7 Techni...

Page 6: ...15 10 12 Format of the SYSPLEX 1 Time String 139 15 10 13 Format of the ION Time String 140 15 11Manual VP100 NET Display con guration 141 15 12Global Con guration File 143 15 13Global Option File 145 15 14Third party software 146 15 14 1Operating System GNU Linux 146 15 14 2Samba 146 15 14 3Network Time Protocol Version 4 NTP 147 15 14 4mini_httpd 148 15 14 5GNU General Public License GPL 149 15 ...

Page 7: ...inberg Funkuhren GmbH Co KG Lange Wand 9 31812 Bad Pyrmont Germany Phone 49 0 52 81 93 09 0 Fax 49 0 52 81 93 09 30 Internet http www meinberg de Mail info meinberg de Date 2010 04 07 LANTIME M600 MRS Date 31st July 2014 1 ...

Page 8: ...ed by an installed GPS receiver or by external time sources depending on Options like IRIG in or PPS in The priorities for this regulation can be de ned in the settings Press the following buttons to set up the MRS mode ok ok ok MRS Status Setup Input Priorities Setup Fixed Offsets Setup Precisions The priorities for the external reference sources will be setup in the next menu The reference sourc...

Page 9: ...SETUP con guration page Please ask your administrator for proper TCP IP con guration Global Configuration Network Interfaces Network Services Then press 3 times the OK button to change to IPV4 ETH0 con guration page to enter the IP address netmask and the default gateway ETH0 DHCP disable ADDRESS 192 168 10 20 NETMASK 255 255 255 000 DEF GATEWAY 192 168 10 1 NOTE These settings are related to the ...

Page 10: ... PTP IEEE 1588 grandmaster M400 M600 and M900 only can be used to control the internal oscillator The LANTIME MRS is a set of equipment composed of a GPS170 satellite controlled clock a single board computer with integrated network board and a power supply all installed in a metal 19 inch modular chassis and ready to operate Optionally a additional network card with hardware timestamping for the P...

Page 11: ...D SUB Buchse 4 Serielle Schnittstelle COM 0 9pol D SUB Buchse 5 Störmelderelaisausgang 3pol DFK 6 PPS Freq In Eingang BNC 7 Time Code AM DCLS Eingang BNC 8 Time Code AM DCLS Ausgang BNC 9 PPS 10MHz Ausgang BNC 10 F Synth PPM Ausgang BNC 11 Netzwerk Anschlüsse ETH0 ETH3 10 100MBit RJ45 COM 1 COM 0 CO NO NC 100M 10M ETH0 ETH1 2 PPS In 6 Freq In TC AM In 7 TC DCLS In TC DCLS Out 8 TC AM Out PPS Out 9...

Page 12: ...ion extended menu guidance for con guration and monitoring via Telnet SSH or serial terminal interface extended HTTP statistic support with long term graphic and access statistic to NTP alarm messages can be displayed on external large display VP100 20 NET USB memory stick slot for extended functionality software update transfer of secure certi cates log les and con gurations keypad locking 4 3 Us...

Page 13: ...a signi cantly wrong time although they were classi ed as stratum 1 time servers This is the responsibility of the server s administrators If an internet connection is working properly then NTP can determine and account for the packet transmis sion delays quite reliable However if the internet connection is at its capacity limit time synchronization can be signi cantly degraded due to high dispers...

Page 14: ...n di erent UNIX systems Many UNIX systems have an NTP client pre installed Only some basic con gurations need to be done etc ntp conf NTP clients as freeware or shareware are also available for most other operating systems like Windows 7 Vista XP NT 2000 98 95 3x OS2 or MAC The following WEB site is recommended to get the latest version of NTP http www ntp org You can nd more information on our we...

Page 15: ...and peer is used to list all active reference clocks remote refid st t when poll reach delay offset ji er LOCAL 0 LOCAL 0 3 l 36 64 3 0 00 0 000 7885 lan me GPS 0 l 36 64 1 0 00 60 1 15875 with the following meaning remote list of all valid time servers ntp conf re d reference number st actual stratum value hierarchy level when last request seconds poll period of requesting the time server seconds r...

Page 16: ... Pulse Per Second plus serial time string STR Freq In If more than one reference clock is available and synchronized then the clock with the highest priority will be taken to adjust the internal OCXO This reference clock will be called master clock If this master clock is unavailable a di erent clock with the highest priority will be chosen If a reference clock with a higher priority than the curr...

Page 17: ...ilable 300ns F1 MRS Input Priorities 1 GPS 20ns 2 PPS 30ns 3 NTP 30 000us M300 LC Display 40 x 2 Characters M400 M900 LC display 4 x 16 Characters M600 Vacuum fluorescent graphic display VFD 256 x 64 dots If an external PTP IEEE1588 grandmaster is available the reference source will be taken prior to the external NTP server The PTP time stamping unit will be scanned every 10 seconds independently ...

Page 18: ...ser s receiver The high precision orbit parameters of a satellite are called ephemeris parameters whereas a reduced precision subset of the ephemeris parameters is called a satellite s almanac While ephemeris parameters must be evaluated to compute the receiver s position and clock o set almanac parameters are used to check which satellites are in view from a given receiver position at a given tim...

Page 19: ...ll mount brackets and clamps for pole mounting are included with every GPS170 A standard RG58 coaxial cable should be used to connect the antenna downconverter unit to the receiver The maximum length of cable between antenna and receiver depends on the attenuation factor of the coaxial cable Up to four GPS170 receivers can be run with one antenna downconverter unit by using an optional antenna spl...

Page 20: ...ional a surge voltage protector for coaxial lines is available The shield has to be connected to earth as short as possible by using the included mounting bracket Normally you connect the antenna converter directly with the antenna cable to the system 14 Date 31st July 2014 LANTIME M600 MRS ...

Page 21: ...hort circuit the following message appears in the display ANTENNA SHORT CIRCUIT DISCONNECT POWER If this message appears the clock has to be disconnected from the mains and the defect eliminated After that the clock can be powered up again The antenna supply voltage must be 15VDC LANTIME M600 MRS Date 31st July 2014 15 ...

Page 22: ...ter power up If the receiver position has changed by more than one hundred kilometers since last operation the satellites real elevation and Doppler might not match those values expected by the receiver and this will force the receiver to start scanning for satellites This mode is called Warm Boot because the receiver can obtain ID numbers of existing satellites from the valid almanac When the rec...

Page 23: ...ms Stratum 1 GPS NORMAL OPERATION Satellites 9 10 PTP ok PTP_MASTER GM 00 00 00 00 00 00 Press F1 for help or F2 for setup overview F1 UTC Tue 01 01 2008 12 00 00 F1 UTC Tue 01 01 2008 12 00 00 For the synchronization of the NTPD with the GPS it is necessary that the GPS receiver is synchronous with the GPS time In this case the following message is monitored on the display NTP Offs 1ms Stratum 1 ...

Page 24: ...Terminal The termin program should be set to 38400Baud 8N1 VT100 emulation Once the IPv4 address net mask and IPv4 GATEWAY have been set up or the network interface has been automatically con gured with DHCP Autoconf further con guration changes can be done via a network connection To set up a TELNET connection the following commands are entered telnet 198 168 10 10 LANTIME IP address user root pa...

Page 25: ... button In the graphic mode one can choose among four di erent display options how the o set of a given reference signal shall be displayed online mode full graph statistics and scrolling mode The cursor position and consequently the option selection can be modi ed with the and buttons In the upper right corner one can nd the selected reference source signal which o set is graphically displayed Wi...

Page 26: ... to display graph larger or smaller Graph of Online Mode zoomed out 08 17 08 17 09 20 09 20 10 0us The next mode is the FULL GRAPHIC MODE After the status mode is displayed o set values start being plotted All values from the statistic le are displayed as long as no more than 255 values are available If more values than a display length 255 points are available only each xth o set value 4 is displ...

Page 27: ...xt in the graphic menu When you select it you can decide if the mini mum or the maximum value of the current statistics le shall be displayed or not The minimum or the maximum values are plotted in the middle of a display as long as at least 128 values a half of the display length are available A legend is shown on the display at the same time and apart of the minimum or maximum value also the cor...

Page 28: ...f a display to the left if the SCROLLING MODE has not been stopped beforehand Even here the value range of the y axis can be changed or the graph can be shifted a few more steps to the left In order to continue the scrolling mode one has to press the OK or button If you select the ESC button then you come back to the main menu of the graphical program 22 Date 31st July 2014 LANTIME M600 MRS ...

Page 29: ...ime Service Ref Time Network Alarm The multicolor LEDs will re ect the current state of the device Ref Time green the reference clock e g integrated GPS produce valid time red the reference clock produce no valid time e g not synchronized Time Service green NTP has been synchronized to reference clock red NTP is not synchronous to reference clock or sync to local clock Network green all watched ne...

Page 30: ...GM 00 00 00 00 00 00 Press F1 for help or F2 for setup overview F1 UTC Tue 01 01 2008 12 00 00 MRS Management Info GPS Receiver Setup GPS Receiver Setup Outputs Reference Time Time Service Network System NTP Current State external NTP servers Stratum of local clock PTP IEEE1588 Reference Time Time Service Network System Global Configuration Network Interfaces Network Services Reference Time Time S...

Page 31: ... the references can be set up in con guration The priority will de ne which reference source will be used next if the highest priority reference source is no longer available For each reference source a bias xed o set and a precision value can be de ned Numerical Status Graphical Status OK MRS Status Setup Input Priorities Setup Fixed Offsets Setup Precisions F1 F1 MRS Status F1 F1 OK 1 GPS is ava...

Page 32: ...the precision value is greater then 0 the time for switching to the next reference hold over time will be calculated by the following formula precision of next reference precision of current master constant s The parameter constant depends on the quality of the internal oscillator OK MRS Status Setup Input Priorities Setup Fixed Offsets Setup Precisions F1 F1 Set Precision of Refclocks ns GPS PPS ...

Page 33: ...he UTC Parameter are invalid TCAP exceeded jitter out of range If the jitter between two consecutive IRIGtelegrams exceeds 100 µs the receiver switches into freewheeling mode and the TCAP exceeded Bit is set TCAP exceeded is cleared if the measured jitter is below 100 µs Lock on Lock On is set whenever the receiver is in synchronous mode and the internal oscillator correction value has settled Tel...

Page 34: ...e Up Down arrow keys Only the codes which are supported by the IRIG receiver will be selectable It must be ensured that a DC code is selected if the IRIG signal is connected to the DCLS input Otherwise the correspondent Non DC code must be selected if an AM signal is connected to the TC AM input If the connected IRIG signal does not support the O set to UTC you have to set up this parameter as wel...

Page 35: ...yed in degrees minutes and seconds The next format is geographic too with latitude and longitude displayed in degrees with fractions of degrees The third format displays the receiver position in earth centred earth xed coordinates ECEF coordinates GPS Receiver Position Satellite Constellation GPS Status Version GPS Receiver Position LAT 51 9828 51 58 58 N LON 9 2258 09 13 32 E ALT 176 m GPS Receiv...

Page 36: ...ion Mode Init GPS Receiver Setup Antenna Length Setup Simulation Mode Edit and Set GPS Receiver Simulation Mode Simulation Mode disabled 10 4 8 Init GPS Receiver Init GPS Receiver Setup Antenna Length Setup Simulation Mode Init Receiver Position Init Receiver Time Init COLD Boot Init WARM Boot 10 4 9 Init Receiver Position When the receiver is primarily installed at a new location far away from th...

Page 37: ...9 01 07 2008 10 4 11 Initiate Cold Boot of GPS Receiver This menu lets the user initialize all GPS data i e all saved satellite data will be cleared The user has to acknowledge this menu again before the initialisation starts The system starts operating in the COLD BOOT mode and seeks for a satellite to read its actual parameters Init Receiver Position Init Receiver Time Init COLD Boot Init WARM B...

Page 38: ...4 14 Set GPS Receiver Simulation Mode Enabling this menu lets the user run the LANTIME without antenna Normally the NTPD loses synchronisation with the GPS when the antenna is disconnected or the GPS did not receive enough satellites red FAIL LED is turned on When IGNORE LOCK is enabled the status information from the GPS is xed to SYNC So it is possible to set the NTPD with any other time entered...

Page 39: ...tup Pulse Outputs Setup prg pulse outputs Setup prg Synthesizer 10 4 16 Enable Outputs This menu lets the user con gure at which time after power up the serial ports pulse outputs and frequency synthesizer output are to be enabled Outputs which are shown to be enabled always will be enabled immediately after power up Outputs which are shown to be enabled if sync will be enabled after the receiver ...

Page 40: ...request If the on request is activated you have to send the character to get the timestring Default COM 19200 baud 8N1 once per second This topic is used to select one of several di erent types of serial time strings or the capture string for each serial port The following time strings can be selected All time strings are described in the appendix at the end of this documentation Meinberg Standard...

Page 41: ...e ective dates year by year The gures below show how to enter parameters in both cases If the number of the year is displayed as wildcards a day of week must be speci ed Then starting from the con gured date daylight saving changes the rst day which matches the con g ured day of week In the gure below October 25th 2008 is a Saturday so the next Sunday is October 26th 2008 All changeover rules for ...

Page 42: ...d synthesizer Fre quencies from 1 8 Hz up to 10 MHz can be entered using four digits and a range The range can be selected if the UP or DOWN key is pressed while the cursor is positioned on the frequency s units string If the least signi cant range has been selected valid fractions of the frequency are 0 1 displayed as 1 8 3 displayed as 1 3 5 and 6 displayed as 2 3 Selection of 1 3 or 2 3 means r...

Page 43: ...LANTIME system and the GPS reference clock The local clock is only chosen as the NTP time reference after the GPS clock lost its synchronisation The stratum level of this local clock is set to 12 this ensures that clients recognise the switchover to the local clock and are able to eventually take further actions The local clock can be disabled if the timeserver should not answer anymore when the r...

Page 44: ...lients recognize the switchover to the local clock and are able to eventually take further actions The local clock can be disabled if the timeserver should not answer anymore when the reference clock is out of order The eld Stratum of local clock is used to change the stratum level of the local clock see above default is 12 NTP Configuration Stratum of local clock new stratum value from 0 to 15 st...

Page 45: ...ailable POUT 1 3 Programmable Pulses Output Output 1 TIMER Output 2 CYCLIC Output 3 PASSIV With the arrow key right or OK Button the parameters of each programmable pulse output can be set Programmable Pulses Output Output 1 Output 2 Output 3 Each programmable pulse output has its own Mode to be set With the arrow keys up and down the mode can be selected POUT1 Mode PASSIV POUT1 Mode TIMER POUT1 M...

Page 46: ...1 00 13 00 to 14 00 and 23 45 to 09 30 A turn o time earlier than the turn o time would cause the output to be enabled over midnight For example a program ON Time 10 45 00 OFF Time 9 30 00 would cause an active ouput from 10 45 to 9 30 the next day If one or more of the three switching times are unused just enter the same time into the elds ON Time and OFF Time In this case the switch time does no...

Page 47: ...ly a cycle times that causes a constant distance between all consecutive pulses make sense For example a cycle time of 1 hour 45 minutes would generate a pulse every 6300 seconds starting from 0 o clock The duration between the last pulse of a day and the rst pulse of the next day 0 00 00 o clock would only be 4500 sec 10 6 6 PPS PPM PPH Modes POUT1 Pulse Per Sec PPS output activ low Length 00 10 ...

Page 48: ...ged The submenus can be selected with the arrow keys and the OK button As soon as an IP address is con gured additional network con guration can be done via network connection with TELNET SSH or the WEB interface Ask your network administrator for network speci c parameters Every change of the network parameters will restart the NTP All network speci c parameters will be saved on the ash disk mnt ...

Page 49: ...d on your LANTIME Please be aware of the fact that all SYSLOG entries of the timeserver are stored in var log messages and will be deleted when you power o or reboot the timeserver A daily CRON job is checking for the size of the LANTIME SYSLOG and deletes it automatically if the log size is exceeding a certain limit LAN Device Parameter Check Network LinkUp on LAN Device Ports 0 L 1 2 3 PTP By sp...

Page 50: ...92 168 10 2 Additionally you can specify the IPv4 netmask and your default gateway address Please contact your network administrator who can provide you with the settings suitable for your speci c network If there is a DHCP Dynamic Host Con guration Protocol server available in your network the LANTIME system can obtain its IPv4 settings automatically from this server If you want to use this featu...

Page 51: ...s can be substituted with once If you enabled the IPv6 protocol the LANTIME always gets a link local address in the format fe80 which is based upon the MAC address of the interface If a IPv6 router advertiser is available in your network and if you enabled the IPv6 autoconf feature your LANTIME will be set up with up to three link global addresses automatically 10 7 5 Menu Link Mode Global Configu...

Page 52: ... and enabled together with the zones time o sets from UTC These parameters are used to convert UTC to local time e g MEZ UTC 1h and MESZ UTC 2h for central Europe The range of date daylight saving comes in e ect can be entered using the next two pages of the setup menu Beginning and ending of daylight saving may either be de ned by exact dates for a single year or using an algorithm which allows t...

Page 53: ...time of the reference clock has changed e g while testing with di erent times the system time has to bet set with the time of the reference clock and the NTP has to be restarted Set Time Zone Restart NTP Reset to factory defaults Reboot time server Edit NTP Configuration Set system time with refclock and restart NTP daemon Press F2 to confirm reset LANTIME M600 MRS Date 31st July 2014 47 ...

Page 54: ... a com mand line interface CLI which can be used via a TELNET or SSH connection A setup tool can be started after login just type setup and press ENTER at the prompt There are only a few di erences between the web interface and the CLI most options are accessible from both interfaces the CLI has no statistical functions The above screen shots show the web interface and the Command Line Interface s...

Page 55: ...indicates that the NTP system is not synchronised with the receiver this can also appear if the receiver looses synchronisation and the NTP switches back to its LOCAL CLOCK time source The receiver is connected to the LANTIME system internally by using a serial connection and additionally by using the second pulse There are therefore 2 references used by NTPD the receiver GPS PZF and PPS time sour...

Page 56: ... the IPv4 and IPv6 network address of the rst network interface and on the right side the serial number the uptime of the system time since last boot and the noti cation status In the second section the actual status of the GPS reference clock and the NTP subsystem is shown addi tional information about the GPS receiver are also found here This includes the number of satellites in view and the num...

Page 57: ...twork interfaces can be changed In the rst section you can change the hostname and domain name You can also specify two nameserver and two SYSLOG server In the nameserver and syslog server elds you may enter an IPv4 or IPv6 address the syslog servers can be speci ed as a hostname too LANTIME M600 MRS Date 31st July 2014 51 ...

Page 58: ...te SYSLOG servers you can preserve the SYSLOG information even when you need to reboot or switch o the LANTIME In the second section the possible network protocols and access methods can be con gured You can enable dis able TELNET FTP SSH HTTP HTTPS SNMP and NETBIOS by checking unchecking the appropriate check boxes After you saved your settings with the Save button all these subsystems are stoppe...

Page 59: ...LANTIME Using DHCP is the default factory setting The MAC address of your timeserver can be read in the LCD menu by pressing the NEXT button on the front panel twice This value is often needed by the network administrator when setting up the DHCP parameters for your LANTIME at the DHCP server If the DHCP client has been activated the automatically obtained parameters are shown in the appropriate e...

Page 60: ...gregation The conventional use of bonding under Linux is an implementation of this link aggregation Only one link is used at any given time At least two physical Ethernet ports must be linked to one bond ing group to activate this feature The rst Ethernet Port in one bonding group provides the IP Address and the net mask of this new virtual device The implementation of the LANTIME Bonding feature ...

Page 61: ...con gure additional network parameter like special network routes or alias de nitions For this you will edit a script le which will be activated every time after the network con guration will run Also the Samba Con guration from etc samba smb conf can be edited LANTIME M600 MRS Date 31st July 2014 55 ...

Page 62: ...Page 56 12 The WEB Interface 12 4 Configuration Notification 56 Date 31st July 2014 LANTIME M600 MRS ...

Page 63: ...n use user de ned scripts and the error relay out see appendix Attention mbgLtTrapNormalOperation clears everything It is a master trap to show that the LANTIME is running in full state Trapname Cleared By NTPStopped NTPNotSync or NTP Sync NTPNotSync NTPSync ReceiverNotResponding ReceiverNotSync or ReceiverSync ReceiverNotSync ReceiverSync AntennaFaulty AntennaReconnect SecondaryRecNotSync Seconda...

Page 64: ...y string for your trap receiving community These can be unrelated to the SNMP community strings used for status monitoring and con guration access see SNMP con guration on the Security page 12 4 5 VP100 NET wall mount display The VP100 NET wall display is an optional accessory for the LANTIME timeserver it has an own integrated Ethernet port 10 100 Mbit and a SNTP client The time for the display c...

Page 65: ...e the time o set the NTP stratum value and if the client is reachable or not With the button edit client list you can edit the list of clients to monitor You can add the TCP IP address or the hostname of the client You can monitor the current states of the con gured clients 12 4 8 Alarm messages You can change the alarm message text for every event by using the Edit Messages button the messages ar...

Page 66: ...Page 60 12 The WEB Interface 12 5 Configuration Security 60 Date 31st July 2014 LANTIME M600 MRS ...

Page 67: ...allowed host tries to login the following message appears 12 5 3 SSH Secure Shell Login The SSH provides you with a secure shell access to your timeserver The connection is encrypted so no readable passwords are transmitted over your network The actual LANTIME version supports SSH1 and SSH2 over IPv4 and IPv6 In order to use this feature you have to enable the SSHD subsystem and a security key has...

Page 68: ...ll access TELNET is a very insecure protocol transmitting passwords in plain text over your network If you enabled SSH your LANTIME automatically is able to use secure le transfer with SCP or SFTP pro tocol The usage of FTP as a le transfer protocol is as insecure as using TELNET for shell access 62 Date 31st July 2014 LANTIME M600 MRS ...

Page 69: ...ck the certi cate and accept it if it matches the one stored on the LANTIME All further connections are comparing the certi cate with this one which is saved in your web browser con guration Afterwards you are prompted to verify the certi cate only when it changed By using the button Generate SSL certi cate for HTTP you can create a new certi cate Please enter your organisation name mail address a...

Page 70: ...e certi cate after changing the hostname The certi cates are build with the internal command ntp keygen T ntp keygen is part of the installed NTP suite Your LANTIME is using the etc ntp directory for storing its private and public keys this is called the keysdir Please refer to the chapter NTP Autokey for further information below The two options Show NTP MD5 key and Edit NTP MD5 keys allow you to...

Page 71: ...if the timeserver should not answer any more when the reference clock is out of order Because the reference clock is internally connected to the LANTIME system by using a serial connection the accuracy using this way of synchronisation is around 1 ms The high accuracy of the LANTIME timeserver around 10 microseconds is available by using the ATOM driver of the NTP subsystem which is directly inter...

Page 72: ...ts authenticated broadcast mode Therefore you have to set up the AUTOKEY feature or a symmetric key if you use a NTPv4 client and want to broadcast multicast your time A sample con guration of the NTP client for broadcast with symmetric keys looks like broadcastclient yes broadcastdelay 0 05 depends on your network keys etc ntp keys trustedkey 6 15 requestkey 15 controlkey 15 In the next section y...

Page 73: ...server and client need to have the same crypto key with the same key ID In the authentication mode a party is marked untrusted and not suitable for synchronisation whenever unau thorised packets or authorised packets with a wrong key are used Please note that a server may recognise a lot of keys but uses only a few of them This allows a timeserver to serve a client who is demanding an authenticate...

Page 74: ... three There are four di erent key formats A means DES key with up to eight 7 bit ASCII characters where each character is standing for a key octet this is used by Unix passwords too S is a DES key written in hexadecimal notation where the lowest bit LSB of each octet is used as the odd parity bit If the key format is speci ed as N it also consists of a hexadecimal string but in NTP standard forma...

Page 75: ...reate such a group key a crypto password has to be used in order to encrypt decrypt the certi cate This crypto password is shared between all group members and can be entered in the web interface and CLI setup program too After generating the group key you have to distribute it to all members of your secure group and setup these systems to use AUTOKEY too In the ntp conf le of all group members yo...

Page 76: ...s the group key and a self signed certi cate marked as trusted D and E are NTP servers which are non trusted hosts of the group they hold the group key and a self signed certi cate which lacks the trusted mark The clients also hold the group key and a self signed certi cate In order to distribute new public keys to the whole group the administrator only has to generate a new t key which will be di...

Page 77: ...12 7 Con guration Local Page 71 12 7 Configuration Local LANTIME M600 MRS Date 31st July 2014 71 ...

Page 78: ... operation It may be applicable after a software update The function Reset to factory defaults is setting all con guration parameters back to default values The regular le mnt ash global_con guration will be replaced with the le mnt ash factory conf but rst a copy of the con guration is saved under mnt ash global_con guration old for backup reasons The default password timeserver is replacing the ...

Page 79: ...el The SYSLOG le var log messages is only stored in the system s ram disk therefore it is lost after a power o or restart If you con gured an external SYSLOG server all LANTIME syslog entries will be duplicated on this remote system and can be saved permanently this way Mar 15 13 35 17 LanGpsV4 ntpd 12948 ntpd 4 2 0 1 1161 r Fri Mar 5 15 58 48 CET 2004 3 Mar 15 13 35 17 LanGpsV4 ntpd 12948 signal_...

Page 80: ...t of the four used satellites can be read The accuracy of the calculated receiver position and time deviation is dependent on the constellation of the four selected satellites Using the position of the receiver and the satellites a number of values can be calculated which allow a rating of the selected constellation These values are called Dilutions of Precision DOP PDOP is the abbreviation for Po...

Page 81: ...ch can be uploaded to the LANTIME by rst choosing the le on your local computer with the Browse button and then press Start rmware update The chosen le will be uploaded to the LANTIME afterwards you are prompted to con rm the start of the update process The scope of the update only depends on the chosen le LANTIME M600 MRS Date 31st July 2014 75 ...

Page 82: ...s information is a set of con guration parameters and les stored in a packed text le With the help of these informations the technical support from Meinberg can reproduce the current state of your LANTIME It takes some time to collect all information from the LANTIME Do not press the button again while this process is running some web browsers will cancel the job if you press the button twice Afte...

Page 83: ...utton List detailed GPS infor mation you can open a text eld with all relevant receiver information A LANTIME server with GPS receiver and MGR module can be adjust to its operational mode appropriate environment computing the position to the expecting speed 12 7 8 Web interface language With the selector box Web interface language you can change the displayed language of the WEB interface LANTIME ...

Page 84: ...Page 78 12 The WEB Interface 12 8 Configuration Statistics 78 Date 31st July 2014 LANTIME M600 MRS ...

Page 85: ...ee memory available to the system the Disk free value is related to the ram disk of the LANTIME Both system memory and ram disk have a total capacity of 32 MB each The Uptime parameter displays the time since the last boot process of the unit In the next section all NTP clients accessing the NTP server are listed This list is maintained internally by NTPD clients who did not access the NTPD for a ...

Page 86: ... to keep track of con guration changes and want to comment them you can create a note called con g_changes and show or edit it from here If you want to get rid of one of your notes you are able to delete it by choosing the appropriate button 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 lename without a director...

Page 87: ...e current PTP state by displaying the ptp2_state_0 le see 12 10 4 All con guration parameters of the PTP unit can be viewed and changed by editing the ptp2_global_conf_0 le see 12 10 1 The IP address and VLAN con guration can be edited by altering the ptp2_network_con g_0 le see 12 10 3 If more than one PTP unit is built into the system then the con guration for each port can be edited separately ...

Page 88: ...PTP Unicast interval duration s NUM 60 Requested duration until timeout renewal PTP Unicast clockid of master ASCII 50 Unicast Master Clock ID default FF FF FF FF FF FF FF FF as wildcard PTP Unicast IP address of master IP Unicast IP address of Grandmaster e g 172 29 9 236 Feature Presets NUM 1 Power Pro le Preset 2 Telecom Pro le Preset Power Pro le Grandmaster ID NUM 3 254 0 ID of Grandmaster 3 ...

Page 89: ...set Pathdelay Alias EC4670FFFE0024CC SLAVE 9 0 000000015 0 000010420 alias_0 EC4670FFFE002435 MASTER 6 0 000000000 0 000000000 0050C2FFFEB717EA SLAVE 9 0 000000146 0 000020675 alias_2 0050C2FFFED287DE SLAVE 9 0 000000107 0 000020859 alias_3 EC4670FFFE000801 PASSIVE 7 0 000000000 0 000000000 Prior to one or more PTP nodes monitoring a list of the PTP clients needs to be generated The list can be di...

Page 90: ... following conditions are also being checked 1 Accessibility 2 PTP Status 3 If PTP Status SLAVE exceeding a given maximal absolute o set value related to the PTP Master 4 If PTP Status SLAVE exceeding a given maximal pathdelay value related to the PTP Master The current status conditions are forwarded to the Noti cation Triggers respectively via PTP State changed noti cation All noti cations are t...

Page 91: ... for PTP port Nameserver 1 ASCII 50 Nameserver 2 ASCII 50 TCPIP address IP 192 168 100 10 IP address of PTP port NETMASK IP 255 255 255 0 Netmask of PTP port Default Gateway IP 192 168 100 1 Gateway DHCP CLIENT BOOL 0 1 Activate DHCP client VLan enabled BOOL 0 Enable Virtual LAN interface IEEE 802 1Q VLan ID NUM VLAN ID for virtual interface VLan Priority NUM VLAN priority for virtual interface PT...

Page 92: ...Slave only Clock accuracy 33 according to enumeration list in standard Clock variance 13565 65535 unknown Grandmaster MAC 00 60 6E 7C 27 2C Number of clients 0 not used yet Number of masters 0 not used yet PTP Port Link up 1 IPv4 address 172 29 4 10 Netmask 255 255 255 0 Gateway 172 29 4 1 Local Mac Address 00 60 6E 7C 27 2C PTP seconds 1299849447 raw PTP seconds PTP timescale PTP TAI ARB PTP time...

Page 93: ...ide the serial number the uptime of the system time since last boot and the noti cation status is reported In the second section the actual status of the GPS reference clock and the NTP subsystem is shown addi tional information about the GPS receiver can also be found here This includes the number of satellites in view and the number of good satellites in view The third section shows the last mes...

Page 94: ...matically if their size is exceeding a limit By specifying one or two remote SYSLOG servers you can preserve the SYSLOG information even when you have to reboot or switch o the LANTIME In the second section the possible network protocols and access methods can be con gured You can enable dis able TELNET FTP SSH HTTP HTTPS SNMP and NETBIOS by checking unchecking the appropriate check box After you ...

Page 95: ...tor when setting up the DHCP parameters for your LANTIME at the DHCP server If the DHCP client has been activated the automatically obtained parameters are shown in the appropriate elds IPv4 address netmask gateway You can specify up to three IPv6 addresses for your LANTIME timeserver Additionally you can switch o the IPv6 AUTOCONF feature IPv6 addresses are 128 bits in length and written as a cha...

Page 96: ...s This is an important feature because of the nature of a timeserver running in the background If an error or problem occurs the timeserver is able to notify an administrator by using a number of di erent noti cation types The LANTIME timeserver o ers four di erent ways of informing the administrator or a responsible person about nine di erent events EMAIL send an e mail message to a speci ed e ma...

Page 97: ...ntains a time stamp and a plain text message SNMP TRAP messages Up to two SNMP trap receiver hosts can be con gured in this subsection you may use IPv4 or IPv6 addresses or specify a hostname Additionally you have to enter a valid SNMP community string for your trap receiving community These are mostly independent from the SNMP community strings used for status monitoring and con guration see SNMP...

Page 98: ...tton edit client list you can edit the list of clients to monitor You can add the TCP IP address or the hostname of the client You can monitor the current states of the con gured clients 13 3 CLI Security On the Security page you can manage all security relevant parameters for your timeserver In the rst section Login the administration password can be changed which is used for SSH TELNET FTP HTTP ...

Page 99: ...he client web browser The rst time a web browser connects to the HTTPS web server of your LANTIME you are asked to accept the certi cate of the web server To make sure that you are talking to your known timeserver check the certi cate and accept it if it matches the one stored on the LANTIME All further connections are comparing the certi cate with this one which is saved in your web browser con g...

Page 100: ... reference clock is internally connected to the LANTIME system by using a serial connec tion the accuracy using this way of synchronisation is around 1 ms The high accuracy of the LANTIME timeserver around 10 microseconds is available by using the ATOM driver of the NTP subsystem which is di rectly interpreting the PPS pulse per second of the GPS reference clock The default con guration looks like...

Page 101: ...eed to use this function during normal operation It may be applicable after a software update The function Reset to factory defaults is setting all con guration parameters back to default values The regular le mnt ash global_con guration will be replaced with the le mnt ash factory conf but rst a copy of the con guration is saved under mnt ash global_con guration old for backup reasons The default...

Page 102: ... login 15711 invalid password for root on ttyp1 from 172 16 3 45 Mar 15 14 01 17 LanGpsV4 login 15711 root login on ttyp1 from 172 16 3 45 With List detailed version information a number of version numbers including LANTIME software operating system and NTPD are shown in a textbox The function List LANTIME Options shows the hardware options installed in your LANTIME Using the button List detailed ...

Page 103: ...ur LANTIME you need a special le update tgz from Meinberg which has to be uploaded to the LANTIME by using ftp SCP or SFTP to the root dir update tgz after the le transfer is complete press Start rmware update Afterwards you are prompted to con rm the start of the update process The scope of the update only de pends on the chosen le LANTIME M600 MRS Date 31st July 2014 97 ...

Page 104: ...port support Callback Unix TCP UDP TCPIPv6 UDPIPv6 SNMPv3 Security Modules usm Agent MIB code mibII ucd_snmp snmpv3mibs noti cation target agent_mibs agentx agent_mibs utilities meinberg mibII ipv6 Authentication support MD5 SHA1 Encryption support DES By using the special Meinberg SNMP agent all important status variables can be read with SNMP conformant client software Where applicable a variabl...

Page 105: ...to setup its pa rameters with the web interface HTTP and or HTTPS and the direct shell access via Telnet or SSH a SNMP based con guration interface is available In order to use the SNMP con guration features of the timeserver you need to ful l the following require ments the system has to be reachable over the network of course a SNMP has to be activated in the timeservers setup by setting up a RW...

Page 106: ... SNMP LANTIME CFG MIB mbgLtCfghostname 0 STRING helloworld root testhost Please note that your SNMP request has to be sent with a su cient timeout in the above snmpset example this was achieved by using the t 10 option choosing a timeout of 10 seconds because after each parameter change the timeserver reloads its con guration which takes a few seconds The request is acknowledged by the SNMP agent ...

Page 107: ...Setting the mbgLtCmdExecute variable to value 1 will reboot the timeserver after a short waiting period of ap proximately 3 5 seconds FirmwareUpdate 2 This command installs a previously uploaded with FTP for example rmware version ReloadCon g 3 The parameters of the timeserver con guration stored in mnt ash global_con guration are re read and afterwards a number of subsystems e g NTPD HTTPD HTTPSD...

Page 108: ...ou would enter this command root testhost snmpset v2c r 0 t 10 c rwsecret timeserver meinberg de mbgLtCmdExecute 0 int ReloadCon g MBG SNMP LANTIME CMD MIB mbgLtCmdExecute 0 INTEGER ReloadCon g 3 root testhost Please pay attention to the options r 0 meaning no retries and t 10 meaning timeout of 10 secs in the above examples These options avoid multiple executions of the desired command additional...

Page 109: ...gLtCfgNetwork mbgLtCfghostname string The hostname of the timeserver mbgLtCfgDomainname string The Domainname of the timeserver mbgLtCfgNameserver1 string IPv4 or IPv6 address IP address of rst nameserver mbgLtCfgNameserver2 string IPv4 or IPv6 address IP address of second nameserver mbgLtCfgSyslogserver1 string IPv4 or IPv6 address or hostname IP address or hostname of rst syslog server mbgLtCfgS...

Page 110: ... second NTP server mbgLtCfgNtpServer3IP string IPv4 or IPv6 address or hostname Third external NTP server mbgLtCfgNtpServer3KEY integer Link to the key which should be used for the third NTP server mbgLtCfgStratumLocal Clock integer 0 15 Stratum value of the internal system clock of the timeserver mbgLtCfgNTPTrustedKey integer Link to the key which should be used for the internal reference time so...

Page 111: ...the rst host mbgLtCfgSNMPTrapRecei ver2 string IPv4 or IPv6 address or hostname Second host which receives noti cations sent as SMTP traps mbgLtCfgSNMPTrapRecei ver2Community string The SNMP community used when send ing SNMP Traps to the second host mbgLtCfgSNMPRO Community string The SNMP community which has read only access and therefore can be used to only monitor status variables or con gu rat...

Page 112: ...sage snmp sending a SNMP trap disp showing on wall mount display syslog sending a syslog entry for the event NTP not synchronized mbgLtCfgNotifyNTP Stopped string combina tion see mbgLtCfgNotifyNTPNotSync for the event NTP Daemon stopped mbgLtCfgNotifyServer Boot string combina tion see mbgLtCfgNotifyNTPNotSync for the event Timeserver reboot mbgLtCfgNotifyRefclock NotResponding string combina tio...

Page 113: ...string IPv6 IP address Second IPv6 IP address of the time servers rst network interface mbgLtCfgEthernetIf0IPv6 IP3 string IPv6 IP address Third IPv6 IP address of the timeservers rst network interface mbgLtCfgEthernetIf0IPv6 Autoconf integer 0 dis abled 1 en abled Activate autoconf for the IPv6 con g uration of the timeservers rst network interface mbgLtCfgEthernetIf0 NetlinkMode integer 0 4 Con ...

Page 114: ...ent otherwise no trap is generated All traps have a string parameter included which contains the plain text event message for the appropriate event you are able to change the default text messages see web interface and or CLI setup section to nd out how to do this Here is a list of all traps the timeserver knows mbgLtTrapNTPNotSync mbgLtTraps 1 Whenever the NTP daemon ntpd looses sync it will gen ...

Page 115: ...tery the following should be noted ATTENTION There is a Danger of explosion if the lithium battery is replaced incorrectly Only identical batteries or batter ies recommended by the manufacturer must be used for replacement The waste battery has to be disposed as proposed by the manufacturer of the battery CE marking This device follows the provisions of the directives 93 68 EEC LANTIME M600 MRS Da...

Page 116: ...uum uorescent graphic display VFD with backlight and function keys for menu control POWER SUPPLY 100 240 VAC Available DC variants DC Input 100 240 VDC 12 VDC 24 VDC 48 VDC INPUT FUSE Electronic PROTECTION RATING IP20 POWER CONSUMPTION 28W PHYSICAL DIMENSIONS 442 mm wide x 43 mm high x 288 mm deep 498 mm wide with mounting bracket 85mm high as XL 2U model AMBIENT TEMPERATURE 0 50 C HUMIDITY 85 max...

Page 117: ...r pollution degree more stringent requirements are applicable The building in equipment may not be opened Protection against re must be assured in the end application The ventilation opening may not be covered The equipment building in equipment was evaluated for use in a maximum ambient temperature of 40 C For safe operation the building in equipment must be protected by max 16 A fuse in the powe...

Page 118: ...s These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is li...

Page 119: ...ine PPS PPM BNC TTL shielded data line 10 MHz BNC TTL shielded data line Syntheziser BNC TTL shielded data line COM0 COM1 RS232 RS232 shielded data line Antenna BNC 10 MHz 35 4 MHz shielded data line Power power cord receptable power supply cord Reference Inputs Time Code input modulated BNC shielded coaxial line DCLS BNC shielded coaxial line PPS Pulse Per Second BNC shielded coaxial line 10 MHz ...

Page 120: ...on gure parameters with the command line interface You have to use a NULL MODEM cable connecting to your PC or Laptop computer You can use e g the standard Hyperterminal program shipped with your Windows operating system Con gure your terminal program with 38400 Baud 8 Databits no parity and 1 Stopbit The terminal emulation have to set to VT100 After connecting to the timeserver there will be disp...

Page 121: ...he noti cation conditions In the noti cation condition ta ble via WEB or CLI interface you can select the relay out The priority is on the TIME SYNC ERROR signal of the receiver refclock not sync Relay state which will be set via noti cation conditions will be reseted by any access via the WEB or CLI interface if no TIME SYNC ERROR is active 15 6 1 Technical Specification SWITCHING VOLTAGE max 125...

Page 122: ...e refer to chapter Mounting the Antenna TIME TO SYNCHRONIZATION One minute with known receiver position and valid almanac 12 minutes if invalid battery bu ered memory ACCURACY OF PULSES Depends on oscillator option after synchronization and 20 minutes of operation 250nsec TCXO OCXO LQ 100nsec OCXO MQ HQ DHQ 2 µsec during the rst 20 minutes of operation SERIAL PORTS 2 asynchronous serial connectors...

Page 123: ...1Hz Note1 2 10 8 0 2Hz Note1 1 5 10 9 15mHz Note1 5 10 10 5mHz Note1 1 10 10 1mHz Note1 2 10 11 0 2mHz Note1 accuracy free run 1 year 1 10 6 10Hz Note1 4 10 7 4Hz Note1 1 10 7 1Hz Note1 5 10 8 0 5Hz Note1 1 10 8 0 1Hz Note1 5 10 10 5mHz Note1 accuracy GPS synchronous average 24h 1 10 11 1 10 11 5 10 12 1 10 12 1 10 12 1 10 12 accuracy of time free run 1 day 4 3 ms 865 µs 65 µs 22 µs 4 5 µs 1 1 µs ...

Page 124: ...Hz CONVERTER local oscillator to converter frequency 10 MHz rst IF frequency 35 4 MHz POWER REQUIREMENTS 12V 18V 100mA provided via antenna cable CONNECTOR N Type female AMBIENT TEMPERATURE 40 65 C HOUSING ABS plastic case for outdoor installation IP66 Physical Dimension 44 44 240 240 140 140 450 450 70 70 M6 M6 180 180 68 68 84 84 6 6 118 Date 31st July 2014 LANTIME M600 MRS ...

Page 125: ...e RS232 male connector according to DIN 41612 type C 96 only TxD RxD DCD PARALLEL INTERFACE One LPT Port male connector type C 96 VGA CONNECTION 10 pol pin contact strip KEYBOARD CONNECTION 10 pol pin contact strip STATE LEDs power supply Connect Activity and Speed of the network connection POWER REQUIREMENTS 5 V 5 1 A FRONTPANEL LANTIME in 3U modular case 3U 4 TE 128 mm high x 20 3 mm wide CONNEC...

Page 126: ...ch design engineer Hundreds of di erent time codes were formed some of which were standardized by the Inter Range Instrumentation Group IRIG in the early 60 s Except these IRIG Time Codes other formats like NASA36 XR3 or 2137 are still in use The M600 how ever generates the IRIG B AFNOR NFS 87 500 code as well as IEEE1344 code which is an IRIG coded extended by information for time zone leap secon...

Page 127: ...15 9 Time Code Page 121 15 9 3 IRIG Standard Format LANTIME M600 MRS Date 31st July 2014 121 ...

Page 128: ...Page 122 15 Attachment Technical Information 15 9 4 AFNOR Standard Format 122 Date 31st July 2014 LANTIME M600 MRS ...

Page 129: ...ng Time set during daylight saving time 64 Timezone O set Sign sign of TZ o set 0 1 65 TZ O set binary encoded 1 66 TZ O set binary encoded 2 O set from IRIG time to UTC time 67 TZ O set binary encoded 4 Encoded IRIG time plus TZ O set equals UTC at all times 68 TZ O set binary encoded 8 69 Position Identi er P7 70 TZ O set 0 5 hour set if additional half hour o set 71 TFOM Time gure of merit 72 T...

Page 130: ...00 pps AM sine wave signal 1 kHz carrier frequency BCD time of year Year g B007 100 pps DCLS Signal no carrier BCD time of year Year SBS time of day h B127 100 pps AM sine wave signal 1 kHz carrier frequency BCD time of year Year SBS time of day i AFNOR Code according to NFS 87500 100 pps wave signal 1kHz carrier frequency BCD time of year complete date SBS time of day Signal level according to NF...

Page 131: ...s available This applies for the codes AFNOR NFS 87 500 and IEEE1344 as well The TFOM eld in IEEE1344 code is set dependent on the already sync ed character which is sent in the serial time telegram This character is set whenever the preconnected clock was not able to synchronize after power up reset The time gure of merit TFOM eld is set as follows Clock synchronized once after power up TFOM 0000...

Page 132: ...PACE into 50 Ohm The encoding is made by the number of MARK amplitudes during ten carrier waves The following agreements are valid a binary 0 2 MARK amplitudes 8 SPACE amplitudes b binary 1 5 MARK amplitudes 5 SPACE amplitudes c position identi er 8 MARK amplitudes 2 SPACE amplitudes PWM DC Output The pulse width DCLS signals shown in the diagramms IRIG and AFNOR standard format are coexistent to ...

Page 133: ...le leap second uv clock status characters depending on clock type u GPS clock is running free without exact synchr PZF time frame not synchronized DCF77 clock has not synchronized after reset space 20h GPS clock is synchronous base accuracy is reached PZF time frame is synchronized DCF77 clock has synchronized after reset v GPS receiver has not checked its position PZF DCF77 clock currently runs o...

Page 134: ...X Start Of Text ASCII code 02h tt mm jj the current date tt day of month 01 31 mm month 01 12 jj year of the century 00 99 w the day of the week 1 7 1 monday hh mm ss the current time hh hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second uv clock status characters u clock is running free without exact synchr space 20h clock is synchronous base accuracy is reached v receiver has ...

Page 135: ...rs whereas the other characters are part of the time string The groups of characters as de ned below x 0 or 1 corresponding on the number of the capture input _ ASCII space 20h dd mm yy the capture date dd day of month 01 31 mm month 01 12 yy year of the century 00 99 hh mm ss f the capture time hh hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second f fractions of second 7 digits...

Page 136: ...mm month 01 12 yy year of the century 00 99 w the day of the week 1 7 1 Monday hh mm ss the current time hh hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second xxxx time zone indicator UTC Universal Time Coordinated formerly GMT CET European Standard Time daylight saving disabled CEST European Summertime daylight saving enabled u clock status characters clock has not synchronized...

Page 137: ... of local timezone related to UTC in hours and minutes ac clock status characters a clock has not synchronized after reset space 20h clock has synchronized after reset c GPS receiver has not checked its position space 20h GPS receiver has determined its position d time zone indicator S CEST European Summertime daylight saving enabled CET European Standard Time daylight saving disabled f anouncemen...

Page 138: ...s leading signs are replaced by a space character 20h e longitude the following characters are possible E east of Greenwich W west of Greenwich hhhh altitude above WGS84 ellipsoid in meters leading signs are replaced by a space character 20h ETX End Of Text ASCII Code 03h 132 Date 31st July 2014 LANTIME M600 MRS ...

Page 139: ...urs 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second ss fractions of seconds 1 10 1 100 A Status A time data valid V time data not valid bbbb bb latitude of receiver position in degrees leading signs are replaced by a space character 20h n latitude the following characters are possible N north of equator S south d equator lllll ll longitude of receiver position in degrees leading si...

Page 140: ...nd ss fractions of seconds 1 10 1 100 A Status A time data valid V time data not valid bbbb bbbbb latitude of receiver position in degrees leading signs are replaced by a space character 20h n latitude the following characters are possible N north of equator S south d equator lllll lllll longitude of receiver position in degrees leading signs are replaced by a space character 20h e longitude the f...

Page 141: ... or letters where as the other characters are part of the time string The groups of characters as de ned below Start character ASCII Code 24h sending with one bit accuracy at change of second hhmmss ss the current UTC time hh hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second HH II the local timezone o set to UTC HH hours 00 13 II minutes 00 59 dd mm yy the current date dd day o...

Page 142: ...numbers whereas the other characters are part of the time string The groups of characters as de ned below yy mm tt the current date yy year of the century 00 99 mm month 01 12 dd day of month 01 31 _ Space ASCII code 20h hh mm ss f the current time hh hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second f milliseconds 000 999 cc Check sum EXCLUSIVE OR result of the previous charac...

Page 143: ...y ASCII numbers whereas the other characters are part of the time string The groups of characters as de ned below T Start character sending with one bit accuracy at change of second yy mm dd the current date yy year of the century 00 99 mm month 01 12 dd day of month 01 31 ww the day of the week 01 07 01 monday hh mm ss the current time hh hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while ...

Page 144: ...hereas the other characters are part of the time string The groups of characters as de ned below X Control character code 58h sending with one bit accuracy at change of second G Control character code 47h U Control character code 55h yymmdd the current date yy year of the century 00 99 mm month 01 12 dd day of month 01 31 hh mm ss the current time hh hours 00 23 mm minutes 00 59 ss seconds 00 59 o...

Page 145: ...alics are replaced by ASCII numbers whereas the other characters are part of the time string The groups of characters as de ned below SOH Start of Header ASCII control character sending with one bit accuracy at change of second ddd day of year 001 366 hh mm ss the current time hh hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second q Quality indicator space Time Sync GPS lock no T...

Page 146: ... italics are replaced by ASCII numbers whereas the other characters are part of the time string The groups of characters as de ned below SOH Start of Header ASCII control character sending with one bit accuracy at change of second ddd day of year 001 366 hh mm ss the current time hh hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second q Quality indicator space Time Sync GPS lock n...

Page 147: ...nition of a line f no ash Change line mode to static default is ashing d duration X Set the duration of the line to x seconds default is 3 seconds b Scrolling text You can de ne a maximum of 241 characters per scrolling message If you want the message to softly end simply add some spaces to the end of your text attention text and spaces must be no more than 241 chars in length t scrolltext text Se...

Page 148: ...nical Information deletes the message 1 so no more beeps every 2 30 hrs send2display h 172 16 3 251 s 0a03007f t Hello world e3 shows a scrolling message with soft end repeating it 3 times 142 Date 31st July 2014 LANTIME M600 MRS ...

Page 149: ...AMBA active BOOL 0 IPv6 active BOOL 1 NTP Section External NTP Server 1 IP ASCII 50 External NTP Server 1 KEY NUM External NTP Server 1 AUTOKEY BOOL External NTP Server 2 IP ASCII 50 External NTP Server 2 KEY NUM External NTP Server 2 AUTOKEY BOOL External NTP Server 3 IP ASCII 50 External NTP Server 3 KEY NUM External NTP Server 3 AUTOKEY BOOL NTP Stratum Local Clock NUM 0 15 12 NTP Trusted Key N...

Page 150: ...I 50 Noti cation Section Noti cation on NTP_not_sync CASE Noti cation on NTP_stopped CASE Noti cation on Server_boot CASE Noti cation on Refclock_not_respon CASE Noti cation on Refclock_not_sync CASE Noti cation on Antenna_faulty CASE Noti cation on Antenna_reconnect CASE Noti cation on Con g_changed CASE Noti cation on Leap second announ CASE Ethernet Parameter Section ETH0 IPv4 TCPIP address IP ...

Page 151: ...dware con guration of the LANTIME Do not modify this le You can nd this le on the write protected ash disk at mnt ash global_options GLOBAL OPTIONS NUMBER ETHERNET INTERFACES 1 SYSTEM LAYOUT 0 SYSTEM ADV LAYOUT 0 SYSTEM LANGUAGE 0 SYSTEM PARAMETER server SYSTEM DESIGN 0 LANTIME M600 MRS Date 31st July 2014 145 ...

Page 152: ...rnatively we can provide you with a link to a download location in the internet allowing you to download the most actual version Please note that we have to charge you for any incurred expenses if you choose to receive the source code on data media 15 14 1 Operating System GNU Linux The distribution of the GNU Linux operating system is covered by the GNU General Public License GPL which we include...

Page 153: ...1992 2004 Permission to use copy modify and distribute this software and its documentation for any purpose and without fee is hereby granted provided that the above copyright notice appears in all copies and that both the copyright notice and this permission notice appear in supporting documentation and that the name University of Delaware not be used in advertising or publicity pertaining to dist...

Page 154: ...ing disclaimer in the documentation and or other materials provided with the distribution THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT INDIRECT INCIDE...

Page 155: ... license which gives you legal permission to copy distribute and or modify the software Also for each author s protection and ours we want to make certain that everyone understands that there is no warranty for this free software If the software is modi ed by someone else and passed on we want its recipients to know that what they have is not the original so that any problems introduced by others ...

Page 156: ...le must be on the terms of this License whose permissions for other licensees extend to the entire whole and thus to each and every part regardless of who wrote it Thus it is not the intent of this section to claim rights or contest your rights to work written entirely by you rather the intent is to exercise the right to control the distribution of derivative or collective works based on the Progr...

Page 157: ...stribution of the Program If any portion of this section is held invalid or unenforceable under any particular circumstance the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims this sec...

Page 158: ...PROVE DEFECTIVE YOU ASSUME THE COST OF ALL NECESSARY SERVIC ING REPAIR OR CORRECTION 12 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER OR ANY OTHER PARTY WHO MAY MODIFY AND OR REDISTRIBUTE THE PRO GRAM AS PERMITTED ABOVE BE LIABLE TO YOU FOR DAMAGES INCLUDING ANY GENERAL SPE CIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILIT...

Page 159: ...port RFC 1119 University of Delaware September 1989 Mills90 Mills D L Network Time Protocol Version 3 speci cation implementation and analysis Electrical Engineering Department Report 90 6 1 University of Delaware June 1989 Kardel Frank Gesetzliche Zeit in Rechnernetzen Funkuhren Zeitsignale und Normalfrequenzen Hrsg W Hilberg Verlag Sprache und Technik Groÿ Bieberau 1993 Kardel Frank Verteilte Ze...

Page 160: ...EN55024 2010 Limits and methods of measurement of Immunity characteristics of information technology equipment EN 60950 1 2006 Safety of information technology equipment A11 2009 A12 2011 EN 50581 2012 Technical documentation for the assessment of electrical and electronic products with respect to the restriction of hazardous substances gemäÿ den Richtlinien 2004 108 EG Elektromagnetische Verträgl...

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