Time Servers


IMS – LANTIME M2000S | Modular Time and Frequency Synchronization Platform in 2U Rackmount Housing


  • Six free configurable IO slots with low space requirement. These slots can be used, for example, for 24 outputs (PPS, 10 MHz …).
  • Synchronization of NTP and SNTP compatible clients
  • Web-based status and configuration interface
  • IEEE 1588 PTP Grandmaster / Slave (optional)
  • E1 / T1 Input / Output Options
  • Up to 6 PTP (IEEE 1588-2008) modules
  • Optional redundant power supply and receiver configuration (e.g. GPS / GLONASS combination). Also available with DHQ oscillators
  • Hot Plug
  • Arbitrary combinations of modules
  • Three available slots for AC/DC or DC power supplies
  • Meinberg´s LANTIME time server is available with a variety of additional output options: IRIG Time Code, frequency synthesizer and programmable pulse outputs illustrate some of the many expansion optio
  • Up to 24 additional LAN ports


IMS – LANTIME M2000S | Modular Time and Frequency Synchronization Platform in 2U Rackmount Housing

The possibility to add input and output modules as well as specialized communication cards for NTP and PTP/IEEE1588 network synchronization (including Synchronous Ethernet support) and remote management ensures that a LANTIME M2000S will fulfill all your synchronization requirements and the scalability and flexibility of the IMS platform concept enables it to cope with the changing demands of your critical applications.

All modules support hot plugging, allowing to replace faulty modules or add new capabilities to the system with zero downtime for unaffected modules and functions.

The LANTIME M2000S supports the following slot types:

IMS-CLK: Up to two reference clock modules (redundant mode)

IMS-PWR:Up to three high efficiency redundant power supplies (AC and DC versions available)

IMS-CPU: Central processor module providing NTP / SNTP time synchronization as well as remote and local management and configuration interfaces

IMS-ESI: Input references for 2048 kHz, 2.048MBit/s and variable frequencies:

IMS-MRI: IRIG, 1PPS, 10MHz input module:

IMS-IO: A variety of output signals for all types of synchronization tasks: electrical and optical pulses, frequencies, time codes and serial time messages as well as additional network interfaces for network synchronization (IEEE-1588, NTP, Synchronous Ethernet) and additional remote management capabilities

Includes: High-End NTP Network Time Server for your Network With up to 25,000 NTP requests per second (depening on the installed CPU module), the system is able to provide time for hundreds and thousands of NTP clients. The LANTIME management CPU module supports the following protocols: NTP / SNTP (v2, v3, v4), PRP (IEC 62439-3), HTTP (S), SSH, Telnet, SNMP (v1, v2, v3), FTP, SFTP, DHCP/DHCPv6. For each system, up to 99 logical network interfaces are available (99 IPv4 and 99 IPv6 addresses, each logical interface can be assigned to one VLAN ID). Enterprise-grade features such as IPv6/Dual Stack support, IEEE 802.1Q VLAN support, LACP/high availability bonding as well as DSCP and IEEE802.1p QoS/CoS traffic prioritization ensure that this product can be installed and operated in almost every critical environment: a financial data center; an electrical substation; an NGN telecommunication network; a digital broadcasting infrastructure ; air traffic control systems and many many other environments.

Scalable Synchronization Solution

All modules are hot-pluggable and can be configured via a central web interface or a CLI. An almost endless number of combinations of input and output modules handles almost any synchronization task and allows the system to fit into many different roles. The field-upgradeable and therefore highly scalable and flexible IMS concept will grow with your demands. New technologies can be easily integrated into your existing devices as soon as a corresponding module is available, supporting a new connector, signal type or protocol. This protects your investments as it removes the requirement to replace existing devices or add complete new systems when your sync requirements change.

Flexible Synchronization References:

IMS-MRI:Standard reference input cards supporting a number of different input signals like 1PPS, 10 MHz, IRIG DCLS, IRIG AM IMS-ESI: Extended reference inputs for synchronization sources like E1/T1 framed and unframed signals Both of these slot types (MRI / ESI) can alternatively accept I/O cards and therefore can be used to add output modules or network interfaces, resulting in a maximum of six output modules per chassis in combination with the remaining two I/O slots.

Due to the hot-plug capabilities of the IMS platform it is possible to add additional modules or replace modules with zero downtime and no negative impact on the system and its modules.

Power supply failures and a large number of additional synchronization related alarms can be communicated using several different protocols, for example mail/SMTP messages, SNMP traps, SYSLOG messages, or alarm relay cards.

IMS Modules

CPE Front-End und Back-End

BPE and CPE Modules

Most standard output signals like pulses (1PPS, 1PPM, programmable pulses) and frequencies (10 MHz, 2048 kHz, frequency synthesizer 1 kHz-10 MHz) are provided by two versatile I/O cards named BPE and CPE. Both of these two modules have been designed to cover a wide range of interface and signal/protocol requirements. The BPE modules distribute the signals generated by the reference receiver via the internal backplane to the available physical connections of the board. The modules of the BPE-8000 series also feature an electronic switch which allows the configuration of the output signals via the LANTIME web interface.

CPE modules feature a two-tier architecture with a back-end and front-end. The back-end is responsible for internally routing the IMS synchronization signals, provided by the reference clock via the internal backplane. The front-end autonomously generates a wide range of different signals by using an on-board microprocessor and makes a selection of these signals available via physical connectors.

Due to this design of BPE and CPE modules, it is very easy to support a large number of different electrical or optical physical interfaces, like BNC, SMA, 2-pin DFK, D-SUB9 and ST/SC FO connectors.

An impressive number of specialized IMS modules covers other application requirements, for example E1/T1 framed/unframed synchronization signals with full SSM/BOC support or low phase noise 10 MHz sine wave frequency outputs. Additional network interfaces for NTP, PTP/IEEE 1588, SyncE and remote management access are available, too.



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