Meinberg LANTIME M200/GPS Manuale utente
Meinberg Radio Clocks
Lange Wand 9
31812 Bad Pyrmont, Germany
Phone: +49 (5281) 9309-0
Fax: +49 (5281) 9309-30
http://www.meinberg.de
LANTIME M200/GPS: Compact NTP Time Server with integrated GPS
Reference Clock
LANTIME M200 time servers can be installed to provide accurate time to small and medium sized computer
networks. This entry level time server synchronizes all systems either NTP- or SNTP-compatible utilizing a
built-in Meinberg GPS radio clock as its primary reference time source. A stable and precise oscillator is
capable of bridging interferences or a temporary loss of reception.
Important note
Produktgruppe
Key Features
- Synchronization of NTP and SNTP compatible clients
- Web based status and configuration interface [1](Demo) and console based graphical configuration
utility
- Supported networking protocols: IPv4, IPv6, HTTPS, HTTP, SSH, TELNET, SCP, SFTP, FTP,
SYSLOG, SNMP
- USB Port for installing firmware updates, locking frontpanel menu access and backup/restore of
configuration and log files
- Antenna connected with up to 300m of standard coaxial cable RG58
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Description
The GNU/Linux operating system of the LANTIMEs SBC (Single Board Computer) has been optimized to ensure a high
level of security and reliability.
A large LC display shows the state of the internal GPS receiver and the NTP subsystem. Three LEDs (green/red)
indicate the status of the three main components: Reference Time (GPS), Time Synchronization Service (NTP) and
Network (Link status). A fourth red LED is labelled ALARM and can be configured to signal any event that is covered by
the notification handling routines.
The configuration of the system can be done by using a standard web browser for accessing the extensive but
straightforward html interface. Alternatively a text based and menu driven setup utility can be started from the shell
prompt after logging into the unit via Telnet or SSH.
The security-related features of LANTIME time servers satisfy highest demands. The time synchronization data can be
reliably signed and secured by symmetric keys (MD5) and the NTP autokey procedures. This protects the clients
against manipulated time and man-in-the-middle attacks and allows them to verify that the NTP packets they received
were send by the LANTIME. Additionally the whole LANTIME configuration can be done by using encrypted channels
(e.g. SSH, HTTPS or SNMPv3). Every unused/unneeded protocol can be disabled in order to reduce possible points of
attack.
In order to support network management systems the LANTIME time servers offer an extensive SNMP interface, which
can be accessed by SNMP V1, V2.c and V3. It allows the monitoring of all relevant system parameters (including
operating system parameters, network interface statistics, detailed GPS and NTP status information as well as the
complete system configuration) and can be used to alter the LANTIME configuration via SNMP set commands, too.
LANTIME time servers are designed to be deployed in IPv6 networks, the NTP time synchronization as well as the
configuration interfaces (Web-based, SSH and SNMP) comes with IPv6 support. You can assign several IPv6
addresses and the system supports automatic configuration by IPv6 autoconf.
The LANTIME M200 GPS is equipped with a high precision "TCXO" oscillator (please check our oscillator options page
for technical specifications). The oscillator determines the holdover characteristics (e.g. when the GPS signal is
disturbed or jammed).
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Characteristics
Type of receiver 6 channel GPS C/A-code receiver
Type of antenna Remote powered [2]GPS antenna/converter unit, up to 300m distance to antenna with
RG58 and up to 700m distance with RG213 cable
Display LC-display, 2 x 40 characters, with backlight
Control elements Eight push buttons to set up basic network parameters and to change receiver settings
Status info Four bicolor LEDs showing status of:
- reference time
- time service
- network
- alarm
Network Interface RJ-45 Network Connection 10/100 MBit
Power supply Standard: 100-240 VAC
available DC variants: 100-240 VDC, 12VDC, 24VDC and 48VDC
Power consumption 20W
Universal Serial Bus (USB)
Ports 1x USB Port in rear panel:
- install firmware upgrades
- backup and restore configuration files
- copy security keys
- lock/unlock front keys
Single-Board-Computer i386 compatible 500Mhz CPU, 128 MB RAM
Operating System of the
SBC Linux with nano kernel (incl. PPSkit)
Network protocols OSI
Layer 4 (transport layer) TCP, UDP
Network protocols OSI
Layer 7 (application layer) TELNET, FTP, SSH (incl. SFTP, SCP), HTTP, HTTPS, SYSLOG, SNMP
Internet Protocol (IP) IP v4, IP v6
Network Autoconfiguration
Support IPv4: Dynamic Host Configuration Protocol - DHCP (RFC 2131)
IPv6: Autoconfiguration Networking - AUTOCONF
Network Time Protocol
(NTP) NTP v2 (RFC 1119), NTP v3 (RFC 1305), NTP v4 (RFC 5905)
SNTP v3 (RFC 1769), SNTP v4 (RFC 2030)
MD5 Authentication and Autokey Key Management
Time Protocol (TIME) Time Protocol (RFC 868)
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Daytime Protocol
(DAYTIME) Daytime Protocol (RFC 867)
IEC 61850 Synchronization of IEC 61850 compliant devices by using SNTP
Hypertext Transfer Protocol
(HTTP) HTTP/HTTPS (RC 2616)
Secure Shell (SSH) SSH v1.3, SSH v1.5, SSH v2 (OpenSSH)
Telnet Telnet (RFC 854-RFC 861)
Form Factor Desktop housing (335 x 45 x 240 mm)
Ambient temperature 0 ... 50°C / 32 ... 122°F
Humidity Max. 85%
Scope of supply Included in delivery is our [3]GPS antenna incl. converter unit, 20m GPS antenna cable
(RG58) and product documentation.
Technical Support Meinberg offers free lifetime technical support via telephone or e-mail.
Warranty Three-Year Warranty
Firmware Updates Firmware is field-upgradeable, updates can be installed directly at the unit or via a
remote network connection.
Software updates are provided free of charge, for the lifetime of your Meinberg product.
RoHS-Status of the product This product is fully RoHS compliant
WEEE status of the product This product is handled as a B2B category product. In order to secure a WEEE
compliant waste disposal it has to be returned to the manufacturer. Any transportation
expenses for returning this product (at its end of life) have to be incurred by the end
user, whereas Meinberg will bear the costs for the waste disposal itself.
Additional Information Additional information about the Meinberg LANTIME family of NTP time servers and
other LANTIME models can be found on the [4]LANTIME NTP Time Server Family Page
.
Manual
The english manual is available as a PDF file: [5]Download (PDF)
Links:
[1] http://www.meinberg.de/cgi-bin/main.cgi
[2] http://www.meinbergglobal.com/english/products/gps-antenna-converter.htm
[3] http://www.meinberg.de/english/products/gps-antenna-converter.htm
[4] http://www.meinberg.de/english/products/ntp-time-server.htm
[5] http://www.meinberg.de/download/docs/manuals/english/m200_gps.pdf
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