Time Machines TM2000B Installation And Operation Manual Download Page 1

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TM2000B / TM2500B

PTP and NTP Time Server

GPS Time Sourced

Installation and Operation Manual

Summary of Contents for TM2000B

Page 1: ...TM2000B TM2500B PTP and NTP Time Server GPS Time Sourced Installation and Operation Manual ...

Page 2: ...ay 5 3 3 6 DNS1 and DNS2 5 3 3 7 Disable Web Interface 5 3 3 8 BNC Output TM2500 only 5 3 3 9 Serial Port Output 5 3 3 10 Password 5 3 4 Status Page 6 3 4 1 Time Source 6 3 4 2 Location 6 3 4 3 Date Time 6 3 4 4 Satellites Used 7 3 4 5 GPS Fix 7 3 4 6 NTP Lookups 7 3 4 7 Holdover Time 7 3 4 8 MAC 7 3 4 9 Uptime 7 3 4 10 OCXO Correction 7 3 4 11 Version 7 3 4 12 Satellites 7 3 4 13 NTP Peers 8 3 4 ...

Page 3: ...ty 2 16 3 8 4 PTP Transmission Method 16 3 8 5 PTP Post Holdover Behavior 16 3 8 6 Multicast Configuration Log Announce Interval 16 3 8 7 Multicast Configuration Log Sync Interval 16 3 8 8 Multicast Configuration Log Min Delay Request Interval 16 3 8 9 Multicast Configuration Log min Peer Delay Request Interval 16 3 9 About Page 17 3 9 1 Download Log Files 17 3 9 2 Reboot System 17 4 Troubleshooti...

Page 4: ...e 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 sen...

Page 5: ...or 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...

Page 6: ...r a GPS timing lock has occurred and the SEC LED continues to blink This signifies that the TM2000B 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 configura...

Page 7: ...button will set the entered IP parameters 3 3 3 Broadcast The Broadcast entry is used to control the propagation of network broadcast packets on the network and to what level they will propagate from the device This is frequently opposite of the Netmask setting This is used by the PTP functions to advertise the presence of the server Clicking the Submit button will set the entered IP parameters TH...

Page 8: ...ds The IP address will be reset and the web page will be active again This allows for a physical security measure to be used to protect settings of the device 3 3 8 BNC Output TM2500 only On the TM2500B there is a BNC connector on the back panel This can be used to output the 1PPS from the GPS or generated by hardware during holdover or it can output a 10MHz reference output Only one output can oc...

Page 9: ...and longitude of the device itself based on the GPS receiver Paste this set of coordinates into Google Maps to see your location 3 4 3 Date Time The Date Time entry shows the current UTC date and time of the device This is not updated realtime Refreshing the page will update this time Note that it is the clients responsibility to adjust for timezone and daylight savings adjustments Installation an...

Page 10: ... correction being applied to correct the OCXO back on to its root frequency This value can be saved or reset from this web page The purpose of saving this value after the device has run for a period of a couple hours with 3D lock is to give a more accurate starting point for the correction algorithm to begin on power up If for some reason the value seems wrong or not working a Reset is allowed tha...

Page 11: ...the peer time server A value of 0xff signifies that the last 8 attempts have been answered by the time server A successful lookup causes a 1 to be shifted in to the LSB of the byte and all other bits to be shifted 1 bit to the left A non 0xff value signifies that either the server has just started or that some lookup requests are not getting answered Next Time This is the time that the next reques...

Page 12: ...r no indication of the update process occurring so its important to give it plenty of time Once completed the unit will reset and resume operation Login to the device with a web browser to confirm the version update 3 5 1 Update Notes Some unzip software Apple MAC computers being one will extract the files further than they should be The IMG file that is contained in the downloaded ZIP file is act...

Page 13: ...with the community name with no other security features The V3 mode supports a username password combination to be used where the password is hashed with MD5 Full encryption of the SNMP packet is not supported 3 6 4 Notification Method This sets the notification method to either Trap or Inform A Trap messages is an un acknowledged status packet while the Inform message is acknowledged by the recei...

Page 14: ...9 SNMP V3 Engine ID When using SNMPv3 Trap messages the engine ID needs to match between the trap receiver and the TM2000B as the sender This entry specifically allows setting of the SNMP engineID This is handled in this way because the bulk of the file system for the TM2000B is not R W and parameters that are updated by the SNMP daemon are stored in RAM and lost on a power cycle reboot A reboot m...

Page 15: ...pped from this page By default NTP support is enabled once 3D lock is achieved Click the desired option and then click the Submit button Once a time source is available GPS Peer or Manually Set the TM2000B will enable the NTP server service and NTP requests will be allowed Installation and Operations Manual Page 12 Web timemachinescorp com Email tmsales timemachinescorp com Phone 402 486 0511 ...

Page 16: ...t has booted up because it doesn t have to wait for the GPS to lock It will also allow the TM2000B to operate without a GPS at all if desired If at some point after boot up GPS lock is obtained then the GPS becomes the time source and Peer NTP lookups are stopped Once the TM2000B has obtained a lock if it is lost it will not return to the Peer NTP servers for time maintenance even after the holdov...

Page 17: ...red on the client device or remote server if the Peer Time Server mode is being used If setting up a NTPD implementation the ntp conf file on the server will need to include directives to load the key file and authorize them There are many tutorials on the Internet that discuss setting up authentication on the NTPD implementation The minimum extra commands that get added to the ntp conf file are k...

Page 18: ...e packet just before it goes onto the Ethernet wire In the two step mode two Sync packets are generated without hardware time stamping to allow the receiver to determine the accuracy If at all possible One Step mode is preferred as it is simply more accurate Two step is the lower accuracy option but it included as a setup option now to allow flexibility of use Installation and Operations Manual Pa...

Page 19: ...unce Interval Set the announce message interval The rate of sync packets is 2 value The default setting of 1 sets the interval at 2 1 0 5 packets per second or every 2 seconds 3 8 7 Multicast Configuration Log Sync Interval Sets the requested Sync Message Interval The rate of sync packets is 2 value The default of 7 therefore makes the default rate 2 7 128 packets per second 3 8 8 Multicast Config...

Page 20: ...binary format log file and initiate an HTTP download The binary log can be used by TimeMachines as an aid in troubleshooting 3 9 2 Reboot System Clicking the Reboot button will cause the TM2000B to do a software based reset This is a full kernel reset of the unit and takes 20 30 seconds to complete Installation and Operations Manual Page 17 Web timemachinescorp com Email tmsales timemachinescorp c...

Page 21: ...hines for help 4 2 Resetting to Factory Defaults Front Panel Button Push and hold the front panel button with a small object for 5 seconds This will cause the TM2000B to reset to factory default settings The front panel button accessible with a paperclip or other small object accessible from the front panel of the TM2000B is used to reset the units software settings to factory original This is use...

Page 22: ...A1 0x04 0xB2 The TM2000B will also respond to a broadcast to the same port The response packet is 80 bytes and will be formatted as follows Bytes Description 0 TM2000B response value 0x05 1 to 4 client IP address 5 to 10 MAC address 11 and 12 firmware version Major Minor 13 Lock status 0 No Lock 1 2D Lock or 2 3D Lock 14 to 17 NTP Sync count 32 bits MSB to LSB 18 to 20 Current Time H M S UTC 21 to...

Page 23: ...S antenna included Magnetic base Compliant with FCC Part 15B and CE marked for radiated emissions and is a lead free product Power Requirements 5W at startup and 2 5W continuous at 12V DC Environmental Requirements Commercial temperature range 0 70C 95 humidity non condensing Altitude 304m to 18 000m Networking Static or DHCP IPv4 addressing Standard browser interface for setup Indications Power G...

Page 24: ...nmental 40 to 85C Waterproof to Ipx6 6 4 TM2500B OCXO Timing Information Specifications 1 PPS 10MHz output is 3 3V TTL signal Standard BNC connection Best stability of the OCXO and 10Mhz reference in holdover is achieved 8 hours of operation required if TM2X00B off for 24 hours 24 hours of operation required if TM2X00B off for 1 week 48 hours of operation required if TM2X00B off for 1 month Stable...

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Time Machines TM2000B, Installation And Operation Manual

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