Time Machines TM2000A Installation And Operation Manual
TM2000A
PTP and NTP Time Server
GPS Time Sourced
Installation and Operation Manual
Table of Contents
1 Introduction............................................................................................................................................1
2 Installation..............................................................................................................................................2
2.1 Location..........................................................................................................................................2
2.2 Connections....................................................................................................................................2
2.2.1 Antenna...................................................................................................................................2
2.2.2 Power......................................................................................................................................2
2.2.3 Network..................................................................................................................................2
2.2.4 Front Panel Indications...........................................................................................................2
3 Configuration.........................................................................................................................................3
3.1 Web Page – Default username/password is “admin/tmachine”......................................................3
3.2 Default IP address is 192.168.1.20.................................................................................................3
3.3 Settings Page..................................................................................................................................4
3.3.1 TM2000 Name........................................................................................................................4
3.3.2 Disable Web Interface.............................................................................................................4
3.3.3 IP Address...............................................................................................................................5
3.3.4 Broadcast................................................................................................................................5
3.3.5 Netmask..................................................................................................................................5
3.3.6 Gateway..................................................................................................................................5
3.3.7 Password.................................................................................................................................5
3.4 Status Page.....................................................................................................................................6
3.4.1 Location..................................................................................................................................6
3.4.2 Date/Time...............................................................................................................................6
3.4.3 Satellites Used........................................................................................................................6
3.4.4 GPS Fix...................................................................................................................................7
3.4.5 NTP Lookups..........................................................................................................................7
3.4.6 MAC.......................................................................................................................................7
3.4.7 Uptime....................................................................................................................................7
3.4.8 Version....................................................................................................................................7
3.4.9 Satellites..................................................................................................................................7
3.4.10 Clients...................................................................................................................................7
3.5 Update Page....................................................................................................................................8
3.6 Diagnostics Page............................................................................................................................9
3.6.1 Diagnostics.............................................................................................................................9
3.6.2 Download Log Files...............................................................................................................9
3.6.3 Reboot System........................................................................................................................9
3.7 NTP/PTP Settings Page................................................................................................................10
3.7.1 NTP Server...........................................................................................................................10
3.7.2 Allow 2D Fix for NTP..........................................................................................................10
3.7.3 Disable Holdover Limit........................................................................................................11
3.7.4 NTP Holdover Accuracy.......................................................................................................11
3.7.5 PTP Transmission Method....................................................................................................11
3.7.6 PTP Post-Holdover Behavior................................................................................................11
3.7.7 Multicast Configuration – Log Announce Interval...............................................................11
3.7.8 Multicast Configuration – Log Sync Interval.......................................................................11
3.8 About Page...................................................................................................................................12
4 Troubleshooting...................................................................................................................................12
4.1 GPS Lock.....................................................................................................................................12
4.2 Resetting to Factory Defaults.......................................................................................................12
5 Locator Data Query..............................................................................................................................13
6 Specifications.......................................................................................................................................14
6.1 Time Server Features and Specifications.....................................................................................14
6.2 GPS Module Specifications..........................................................................................................14
6.3 Antenna Specifications.................................................................................................................15
TimeMachines, Inc.
300 S68th St Place, Suite 100
Lincoln, NE 68510
402-486-0511
Engineered and Manufactured in Lincoln, Ne, USA
Rev 0.3.3 10-2-2018
1 Introduction
The Time Machines PTP Network Time Server is a simple to use GPS sourced time server that will
supply accurate time for all computers and time keeping devices on the network. By placing a time
server on the local network, PTP and NTP time packets are provided without requiring systems to go to
the Internet to get a Stratum 1 time synchronization. The system uses an active GPS antenna to
maintain the current time as broadcast by United States GPS satellites. With this device installed on
your local network, there is no longer the worry that if the Internet connection goes down, time
synchronization is lost across the network. In addition, the TM2000A includes a high precision internal
clock based on an OCXO (Oven controller oscillator) that allows the unit to serve accurate time beyond
loss of the GPS antenna signal.
The unit is small and can be placed anywhere within the network layout. The built in high sensitivity
GPS receiver is able to lock multiple satellites from within many buildings or from a window location,
removing the requirement that outdoor antennas be installed.
Setup and use of this time server is straightforward. Simply connect both the included power supply
and the GPS antenna to the base unit and then connect the base unit to the local network. Go to a
computer on the network and browse to the device at its default address to enter the software setup
within the control box. Set parameters to match your network and the system will start to send out time
packets to any device on the system that asks for an update from it. Two servers can be setup to
provide redundancy and more capacity.
When paired with our digital Power Over Ethernet (PoE) or WiFi clocks, synchronized time is assured
no matter the state of your network, or the state of the internet time server the clocks are pointed to.
Accuracy is also improved because the network delay of the internet is highly variable, while the local
LAN connection is likely sub-millisecond delay.
TimeMachine GPS based time servers are suited to any application where coordination of events at
multiple locations is required. Without coordinated network time, searching for problems across
multiple system logs becomes much more difficult. Education, industrial facilities, military
installations, public safety command rooms, government, broadcasting, and hospitals are all candidates
for synchronized time systems.
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2 Installation
2.1 Location
To receive GPS signals the Time Server's antenna must be located in a location where it can “see” the
sky. The GPS module itself is highly sensitive and able to “see” the GPS satellite signals from within
many structures. Multi-Story or metal structures may block the GPS signals such that the antenna must
be located elsewhere. In these cases, the GPS antenna may be located in a window. The Time Server
box can be located anywhere on the network. All that is required is power and a wired network
connection. In the worst case, an outdoor antenna may be required.
2.2 Connections
2.2.1 Antenna
The GPS antenna is connected through the circular female
SMA connector on the rear of the Time Server. By default, the GPS antenna connection provides 5.0V
to power the LNA in the GPS antenna. This is correct for the supplied GPS patch antenna with the
magnetic base. This voltage can be changed with a jumper on the inside of the Time Server. The Time
Server has to be opened up and a jumper moved.
Jumper J8
A: 3.3V B: 5.0V (default)
The only time this jumper would changed would be to allow use of a different antenna that requires
+3.3V max for the LNA in the antenna.
2.2.2 Power
A +12V power supply is supplied with the unit. Connect to your local power outlet and the barrel
connector to the rear of the Time Server. The time server will begin trying to find the GPS satellites.
On power-up, synchronization to the GPS satellites will take several minutes. No battery backup of
position is provided to allow for a warm start so the Time Server is always starting from scratch in
determining its location to achieve GPS lock.
2.2.3 Network
Connect the 10/100 RJ45 port on the back of the Time Server to a network connection. Verify that the
network settings are correct for your system. See the configuration section of this manual for more
information on doing this.
2.2.4 Front Panel Indications
The front panel of the Time Server is very basic in its appearance. Three LEDs show the current status
of the unit. The “POW” LED indicates that the unit is receiving power through its wall power supply.
To serve time, an accurate GPS lock is required beyond just location information. The GPS lock
process proceeds through several steps and can be followed by watching the two front Yellow LEDs,
LOCK and SEC. Initally, when no lock is present, the Yellow LEDs will be OFF. When a 2D lock is
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achieved, the LOCK LED will begin to BLINK. This is the first stage of GPS lock process. When the
LOCK LED goes to a solid ON state, the GPS now has a 3D lock. The last stage of the GPS lock is the
timing lock. This signifies that the GPS has the most accurate time base available for use in serving
time. To achieve the greatest PTP accuracy, this is required. Once the timing lock has occurred, the
SEC LED will begin to blink once per second.
It is also possible for the LOCK LED to turn off, or blink, after a GPS timing lock has occurred and the
SEC LED continues to blink. This signifies that the TM2000A has an accurate internal time and is
serving time, but is trying to re-establish the timing lock because it was lost for some reason.
3 Configuration
3.1 Web Page – Default username/password is “admin/tmachine”
3.2 Default IP address is 192.168.1.20
All Time Server parameters are accessed on the configuration web page. The page can be accessed by
pointing any web browser at the IP address of the Time Server. The initial IP address is 192.168.1.20
from the factory.
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