Meinberg LANTIME M250/GPS Use and care manual

TECHNICAL REFERENCE
LANTIME M250/GPS
April 26, 2023
Meinberg Funkuhren GmbH & Co. KG

Table of Contents
1 Imprint 1
2 Copyright and Liability Exclusion 2
3 Presentation Conventions in this Manual 3
3.1 Conventions for the Presentation of Critical Safety Warnings . . . . . . . . . . . . . . . . . . . . 3
3.2 Secondary Symbols Used in Safety Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.3 Conventions for the Presentation of Other Important Information . . . . . . . . . . . . . . . . . . 4
3.4 GenerallyApplicableSymbols ...................................... 4
4 Important Safety Information 5
4.1 AppropriateUsage ............................................. 5
4.2 ProductDocumentation........................................... 6
4.3 SafetywhenInstallingtheDevice .................................... 7
4.4 ElectricalSafety............................................... 8
4.4.1 Special Information for Devices with AC Power Supply . . . . . . . . . . . . . . . . . . . 10
4.4.2 Special Information for Devices with DC Power Supply . . . . . . . . . . . . . . . . . . . 10
4.5 Safety when Maintaining and Cleaning the Device . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.6 BatterySafety................................................ 11
5 Important Product Information 12
5.1 CEMarking ................................................. 12
5.2 UKCAMarking ............................................... 12
5.3 Ensuring the Optimum Operation of Your Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.4 MaintenanceandModifications...................................... 13
5.4.1 ReplacingtheBattery....................................... 13
5.5 Disposal ................................................... 14
6 Introduction to Your LANTIME Server 15
7 Installation of the GPS Antenna 16
7.1 AntennaShortCircuit ........................................... 21
8 Connecting Your LANTIME System 22
9 Configuring your LANTIME System for Your Network 23
10 LANTIME M250 Front Panel 25
11 LANTIME M250 Rear Connectors 27
11.1 AC/DCPowerSupplyConnection .................................... 28
11.2 1000BASE-T Gigabit Network Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
11.3 USBPort................................................... 30
11.4 Terminal ................................................... 31
11.5 LANTIMESystemStatusLEDs...................................... 31
11.6 Antenna Input: GPS Reference Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
11.7 GNSSReceiverStatusLEDs....................................... 33
12 Technical Appendix 34
12.1 Technical Specifications: LANTIME Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
12.2 Optional Mounting Brackets for Rack Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
12.3 Technical Specifications: GPS Antenna and Accessories . . . . . . . . . . . . . . . . . . . . . . . 36
0

12.4 Technical Specifications: MBG S-PRO Surge Protector . . . . . . . . . . . . . . . . . . . . . . . 37
12.4.1 MBG S-PRO: Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
12.4.2 Installation and Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
12.5 Technical Specifications: Antenna Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
12.6 HowSatelliteNavigationWorks ..................................... 40
12.6.1 Time Zones and Daylight Saving Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
13 RoHS Conformity 41
14 Declaration of Conformity for Operation in the European Union 42
15 Declaration of Conformity for Operation in the United Kingdom 44
Date: April 26, 2023 LANTIME M250/GPS

1 Imprint
1 Imprint
Meinberg 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 - 230
Website: https://www.meinbergglobal.com
Email: [email protected]
Date: April 26, 2023
LANTIME M250/GPS Date: April 26, 2023 1

2 Copyright and Liability Exclusion
Except where otherwise stated, the contents of this document, including text and images of all types and transla-
tions thereof, are the intellectual property and copyright of Meinberg Funkuhren GmbH & Co. KG (“Meinberg”
in the following) and are subject to German copyright law. All reproduction, dissemination, modification, or ex-
ploitation is prohibited unless express consent to this effect is provided in writing by Meinberg. The provisions
of copyright law apply accordingly.
Any third-party content in this document has been included in accordance with the rights and with the consent
of its copyright owners.
A non-exclusive license is granted to redistribute this document (for example, on a website offering free-of-
charge access to an archive of product manuals), provided that the document is only distributed in its entirety,
that it is not modified in any way, that no fee is demanded for access to it, and that this notice is left in its
complete and unchanged form.
At the time of writing of this document, reasonable effort was made to carefully review links to third-party
websites to ensure that they were compliant with the laws of the Federal Republic of Germany and relevant
to the subject matter of the document. Meinberg accepts no liability for the content of websites not created or
maintained by Meinberg, and does not warrant that the content of such external websites is suitable or correct
for any given purpose.
While Meinberg makes every effort to ensure that this document is complete, suitable for purpose, and free
of material errors or omissions, and periodically reviews its library of manuals to reflect developments and
changing standards, Meinberg does not warrant that this specific document is up-to-date, comprehensive, or
free of errors. Updated manuals are provided at www.meinbergglobal.com.
You may also write to [email protected] to request an updated version at any time or provide feedback
on errors or suggested improvements, which we are grateful to receive.
Meinberg reserves the right to make changes of any type to this document at any time as is necessary for
the purpose of improving its products and services and ensuring compliance with applicable standards, laws &
regulations.
2 Date: April 26, 2023 LANTIME M250/GPS

3 Presentation Conventions in this Manual
3 Presentation Conventions in this Manual
3.1 Conventions for the Presentation of Critical Safety Warnings
Warnings are indicated with the following warning boxes, using the following signal words, colors, and symbols:
Caution!
This signal word indicates a hazard with a low risk level. Such a notice refers to a procedure or other
action that may result in minor injury if not observed or if improperly performed.
Warning!
This signal indicates a hazard with a medium risk level. Such a notice refers to a procedure or other
action that may result in serious injury or even death if not observed or if improperly performed.
Danger!
This signal word indicates a hazard with a high risk level. Such a notice refers to a procedure or
other action that will very likely result in serious injury or even death if not observed or if improperly
performed.
3.2 Secondary Symbols Used in Safety Warnings
Some warning boxes may feature a secondary symbol that emphasizes the defining nature of a hazard or risk.
The presence of an "electrical hazard" symbol is indicative of a risk of electric shock or
lightning strike.
The presence of a "fall hazard" symbol is indicative of a risk of falling when performing
work at height.
Das Symbol "laser hazard" symbol is indicative of a risk relating to laser radiation.
LANTIME M250/GPS Date: April 26, 2023 3

3.3 Conventions for the Presentation of Other Important Information
Beyond the above safety-related warning boxes, the following warning and information boxes are also used
to indicate risks of product damage, data loss, and information security breaches, and also to provide general
information for the sake of clarity, convenience, and optimum operation:
Important!
Warnings of risks of product damage, data loss, and also information security risks are indicated with
this type of warning box.
Information:
Additional information that may be relevant for improving efficiency or avoiding confusion or misunder-
standings is provided in this form.
3.4 Generally Applicable Symbols
The following symbols and pictograms are also used in a broader context in this manual and on the product.
The presence of the "ESD" symbol is indicative of a risk of product damage caused by
electrostatic discharge.
Direct current (DC) (symbol definition IEC 60417-5031)
Alternating current (AC) (symbol definition IEC 60417-5032)
Ground connection (symbol definition IEC 60417-5017)
Protective earth connection (symbol definition IEC 60417-5019)
4 Date: April 26, 2023 LANTIME M250/GPS

4 Important Safety Information
4 Important Safety Information
The safety information provided in this chapter as well as specific safety warnings provided at relevant
points in this manual must be observed during every installation, set-up, and operation procedure of
the device, as well as its removal from service.
Any safety warnings affixed to the device itself must also be observed.
Any failure to observe this safety information, these safety warnings, and other safety-critical operating
instructions in the product documentation, or any other improper usage of the device may result in
unpredictable behavior from the product, and may result in injury or death.
Depending on your specific device configuration and installed options, some safety information may not
be applicable to your device.
Meinberg accepts no responsibility for injury or death arising from a failure to observe the safety
information, warnings, and safety-critical instructions provided in the product documentation.
It is the responsibility of the operator to ensure that the product is safely and properly used.
Should you require additional assistance or advice on safety-related matters for your product, Mein-
berg’s Technical Support team will be happy to assist you at any time. Simply send a mail to techsup-
[email protected].
4.1 Appropriate Usage
The device must only be used appropriately in accordance with the specifications of the product
documentation! Appropriate usage is defined exclusively by this manual as well as any other relevant
documentation provided directly by Meinberg.
Appropriate usage includes in particular compliance with specified limits! The device’s operating
parameters must never exceed or fall below these limits!
LANTIME M250/GPS Date: April 26, 2023 5

4.2 Product Documentation
The information in this manual is intended for readers with an appropriate degree of safety awareness.
The following are deemed to possess such an appropriate degree of safety awareness:
•skilled persons with a familiarity with relevant national safety standards and regulations,
•instructed persons having received suitable instruction from a skilled person on relevant national
safety standards and regulations
If there is any safety information in the product documentation that you do not understand, do not
continue with the set-up or operation of the device!
Read the product manual carefully and completely before you set the product up for use.
Safety standards and regulations change on a regular basis and Meinberg updates the corresponding
safety information and warnings to reflect these changes. It is therefore recommended to visit the
Meinberg website at https://www.meinbergglobal.com regularly to download up-to-date manuals.
Please keep all product documentation, including this manual, in a safe place in digital or printed
format to ensure that it is always easily accessible.
Meinberg’s Technical Support team is also always available at [email protected] if you require
additional assistance or advice on safety aspects of your system.
6 Date: April 26, 2023 LANTIME M250/GPS