Timelink Tms1000 User manual

TMS1000

USER MANUAL

Reference : MN0482

Release : A3

Date : 2017-09-04

TMS1000

USER MANUAL

Reference :

MN0482 Date :

2017-09-04

Release:

A3 Page:

2/18

CHANGES IN THE DOCUMENT

Release DATE OBJECT of CHANGE

A1 2014-11-19 Initial version

A2 2014-12-15 Details concerning system update and manual date setup

A2_EN 2016-10-27 English version provided

A3_EN 2017-09-05 New password associated with LO665A2

Name-Title Date and Signature

Author Arnaud FERRARIS

Software Engineer - TimeLink microsystems

2014-11-19 / AF

Approve by Jean-Claude POUYTES

Quality Manager - TimeLink microsystems

2014-11-21 / JCP

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TABLE OF CONTENT

1. GENERAL DESCRIPTION 4

1.1. FRONT AND BACK PANELS ........................................................................................................................... 4

1.2. FUNCTIONAL CHARACTERISTICS .................................................................................................................. 5

1.3. PHYSICAL CHARACTERISTICS ........................................................................................................................ 5

2. PREPARATION FOR USE 6

2.1. CONNECTIONS ............................................................................................................................................. 6

2.2. CONFIGURATION ......................................................................................................................................... 6

2.2.1. TMS1000 SETTINGS ................................................................................................................................ 7

3. GETTING STARTED 8

3.1. POWERING UP ............................................................................................................................................. 8

3.2. LEDS ............................................................................................................................................................. 8

3.2.1. LEDS AT STARTUP................................................................................................................................... 8

3.2.2. LEDS DURING OPERATIONS ................................................................................................................ 9

3.3. INTERFACES ................................................................................................................................................. 9

3.3.1. NTP SERVICE .......................................................................................................................................... 9

3.3.2. SSH ACCESS ............................................................................................................................................ 9

3.3.2.1. SYSTEM SOFTWARE UPDATE ..................................................................................................... 10

3.3.2.2. CHANGE PASSWORD ................................................................................................................. 10

3.3.2.3. RESTART OR STOP THE EQUIPEMENT ....................................................................................... 10

3.3.2.4. CHANGE TO USER 'root' ............................................................................................................ 10

3.3.3. SERIAL CONSOLE ACCESS ..................................................................................................................... 10

4. MONITORING 10

4.1. HTTP Server ............................................................................................................................................... 11

4.2. MANUAL TIME SETTING ............................................................................................................................ 13

4.3. UDP FRAME ............................................................................................................................................... 14

5. MAINTENANCE 15

5.1. SOFTWARE RELOADING ............................................................................................................................. 15

5.2. SOFTWARE UPDATE ................................................................................................................................... 16

5.3. GNSS RECEIVER RESET ............................................................................................................................... 16

6. APPENDIX 16

6.1. CONFIGURATION FILES EDITION ................................................................................................................ 16

6.1.1. EDITING FROM THE EQUIPEMENT ....................................................................................................... 16

1.1.1. EDITING FROM AN EXTERNAL SYSTEM ................................................................................................ 17

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1. GENERAL DESCRIPTION

The TMS1000 is a GNSS disciplined NTP server.

1.1. FRONT AND BACK PANELS

The front panel of the equipment includes the power supply connector, the GNSS antenna connector as well as the

1 PPS output.

Figure 1 – Front panel

The back panel of the equipment includes the control interfaces (console and SDCARD) and the network RJ45

connector.

Figure 2 – Back panel

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The top panel includes four LEDS displaying the equipment status.

Figure 3 – Top panel

1.2. FUNCTIONAL CHARACTERISTICS

The table below summarizes the functional characteristics of the equipment.

Characteristics Types/Values

1PPS output Level : 0-5V, positive pulse, 50 Ω

Female BNC connector - Identification: "1PPS OUT"

Duration: 1ms, Period:1Hz

SDCard "Push-push" type connector on back panel – identification “SDCARD”

Power supply 12V DC adaptor (provided)

Consumption : ~3W / 12VDC

LAN/Network Ethernet 100 Mbps

RJ45 - Identification "LAN"

NTP service Port UDP 123, Client/Server mode (unicast)

Console SubD 9 pins connector, 115200 bauds, 8bits, 1 stop bit

SSH service Port TCP 22

HTTP service Port TCP 80

Remote monitoring UDP connections towards configurable IP/Ports

TMS1000 functional characteristics

1.3. PHYSICAL CHARACTERISTICS

The table below summarizes the physical characteristics of the equipment.

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Characteristics Types/Values

Size Width 105mm – Height 33mm – depth 167mm

Weight 418g

TMS1000 physical characteristics

2. PREPARATION FOR USE

Before using the equipment, it is necessary to perform the operations described below.

2.1. CONNECTIONS

The following connections must be made:

 Connect the equipment to the DC power via the supplied DC cord.

 Connect the GNSS antenna cable to the antenna input of the equipment.

 Connect the equipment to the remote management network ("LAN" connector) with a RJ45 network

cable.

Important: Power on the equipment only after all connections has been made.

2.2. CONFIGURATION

Configuration parameters must be setup with consistent values to allow proper use of the equipment. Those settings

are in files located within an SDCard inserted in the back of the equipment.

The parameters available to the user are located in the "user.ini" file. This file is within the SDCard directory

“TMS1000” when mounted using a PC, and within “/config” when accessed through remote access (console or

network).

The following table lists the parameters by functional chapter the same way they are laid out within the configuration

file. The procedure to change the settings is described in an appendix to this document.

Important: Please do not modify files other parameters than those listed below under penalty of breaking the

equipment’s operation, except if the support staff of Timelink microsystems invites you to do so.

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2.2.1. TMS1000 SETTINGS

These settings are located in the 'TMS1000/user.ini' file of the SDCARD.

Section [NETWORK]

Name Description Availability Default value Accepted values

IP IP V4 address of the

equipment

Mandatory 192.168.10.190 Any compliant IP V4

address

MASK Subnet mask of the

network on which the

equipment is connected

Mandatory 255.255.255.0 Any compliant subnet

mask

MAC MAC address of the

equipment

Mandatory Attributed

according to serial

number

Any compliant MAC

address. Should normally

not be modified.

GW IP V4 address of the

default gateway

Optional but

recommended

192.168.10.254 Any compliant IP V4

address

BROADCAST IP V4 broadcast address Optional 192.168.10.255 Any compliant IP V4

broadcast address

NAMESERVER IP V4 address of the name

server

Optional 8.8.8.8 Any compliant IP V4

address

Section [NTP_SERVER]

Name Description Availability Default value Accepted values

ENABLE Activate/deactivate the

NTP server

Mandatory Y Y or N

VERSION NTP protocol version to

use in replies

Mandatory AUTO V3: indicates version 3

packet

V4: indicates version 4

packet

AUTO: adapt itself to the

requestor

NOTIME Behavior when unable to

get a consistent time

Mandatory NO_ANSWER NO_ANSWER: do not

answer to NTP requests

LEAP: the NTP packet

contains the ‘LEAP’ flag,

indicating the server

does not provide a

consistent time

Section [GPS]

Name Description Availability Default value Accepted values

UTC_OFFSET Offset between GPS and

UTC time

Mandatory 18

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Section [RM]

Name Description Availability Default value Accepted values

PUSH_TO IP V4:Port addresses of

the UDP frame recipients

Mandatory 192.168.10.191:9000 List of comma-

separated ‘IP:Port’

values

Note: other parameters in the “user.ini” file must not be modified without guidance from Timelink microsystems.

Those parameters are listed right after the following warning:

#-----------------------------------------------------------------------#

# >>>> DO NOT MODIFY PARAMETERS UNDER THIS LINE <<<<

#-----------------------------------------------------------------------#

3. GETTING STARTED

3.1. POWERING UP

The equipment starts when the power is applied to the unit. There is no ON/OFF switch.

Notes:

1. During the boot sequence, the top panel LEDS are switched off during 15 seconds after power is applied.

2. Because of the very low consumption, following power off, one must wait 30 seconds before powering on

again. Otherwise a corrupted boot may occur.

3.2. LEDS

3.2.1. LEDS AT STARTUP

During the boot sequence, LEDS displays boot progress or an error code. Below is the summary of the different

options.

ON GNSS SYNC ALARM Description

Yellow Off Off Off SDCard mounting

Red Red Red Red SDCard missing or not seen

Green Yellow Off Off SDCard configuration reading

Red Off Off Red Network configuration error (IP address not defined)

Off Red Off Red Network configuration error (subnet mask not defined)

Off Off Red Red Network configuration error (MAC address not defined)

Green Green Yellow Off Network services starting

Green Green Blue Off Network services configuration (first boot only)

Green Green Green Yellow Application starting

Green Green Green Green Boot completed

Yellow Yellow Yellow Red Application did not start

Tableau 1 – LEDS during boot sequence

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3.2.2. LEDS DURING OPERATIONS

LED Color Description

ON White System started

GNSS Red No GNSS source

Yellow The time source is available but excluded

Green The time source is operational and selected as the reference time source

Off GNSS source is not activated

SYNC Red Not GNSS synchronized

Green GNSS synchronized

ALARM Green No alarm ( Information message may be displayed)

Yellow At least one Warning Alarm type

Red At least one Error Alarm type

Tableau 2 – LEDS during operations

3.3. INTERFACES

Below interfaces are available:

 1 PPS signal output

 1 Ethernet 100Mbits connector

 1 SDCard Reader

 A 4 LEDS display

Several services are available on the Ethernet interface:

 IP v4 NTP service

 IP v4 SSH

 HTTP server

 UDP v4 server

3.3.1. NTP SERVICE

This service allows synchronizing an NTP client. The generated time is the one calculated by the equipment based

on one of the source connected to the equipment.

The NTP server is NTPV3 and V4 compliant; depending on its configuration whenever no reliable time is available it

can either not answer or answer with the LEAP flag.

3.3.2. SSH ACCESS

This service allows to remotely connecting to the equipment in secure mode through a network.

Only the 'maintenance' user is authorized to connect to the equipment. After a successful connection, a shell is

opened. Being a maintenance mode, the user must take care of its actions as they can result in the equipment no

longer being able to serve its primary functions.

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The following commands are available:

 update the software

 modify the password of a user

 restart or stop the equipment

 connect as 'root'

The default password for both accounts is 'timelink'.

3.3.2.1. SYSTEM SOFTWARE UPDATE

The system software update is done using the provided 'update' tool. See the Maintenance section for the

procedure.

3.3.2.2. CHANGE PASSWORD

To change the password for a user, use the command 'passwd <user>'. The system will ask for the new

password and it will be written in encrypted format in a file on the SDCard.

Note:

 The maintenance user password must be by the standard password rules as displayed when requested.

 The root user can bypass the standard password rules.

3.3.2.3. RESTART OR STOP THE EQUIPEMENT

These functions allows for securely restart or stop the equipment. The user must first log in as 'root'.

To restart, use the 'reboot' command; to stop, use 'poweroff'.

After a 'poweroff' the equipment can be switched off.

3.3.2.4. CHANGE TO USER 'root'

The command below allows a user to change to user ‘root’:

Type '/tools/su' and enter the 'root' password.

3.3.3. SERIAL CONSOLE ACCESS

Access to the system can also be made from the Console port by connecting a terminal emulator. Use the following

configuration:

 baud rate 115200

 8 bits, 1 stop bit, no parity

After logging in with the login/password used to gain SSH access, a shell is opened. The same commands as those

described in the SSH chapter can be issued.

4. MONITORING

The equipment can be monitored through the integrated Web server, SNMP or by receiving a UDP frame

containing operation information about the equipment.

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4.1. HTTP Server

The integrated http server uses port 80. The following screenshots give a preview of the pages as they appear

in a browser:

Default screen

GNSS screen

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Oscillator screen

Actions screen

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Information screen

4.2. MANUAL TIME SETTING

On the “Actions” screen, you can manually set the system time. First, you have to disable all the available time

sources by pressing the “Disable” button in front of each source. Once each time source has been disabled, you

can enter the current date and time by clicking on the icon, which opens a dialog allowing you to define the new

date:

Once the new date has been selected, click on the icon, on the bottom of the dialog, to be able to set the time:

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Once the date and time have been selected, close the dialog by clicking outside of it, then press the “Set Time”

button to update the system time:

4.3. UDP FRAME

A UDP frame can be automatically sent, each second, to one or several recipient systems. The corresponding

configuration is described along with the system’s configuration (‘[RM]’ section).

The frame contains the following fields, separated by ‘,’:

 Frame date and time: 2014-09-15 12:00:00

 Time quality indicator: QT5

 Frequency quality indicator: QF4

 Estimated frequency stability value: -1.230e-11

 Offset between generated PPS and UTC: -007ns

 Current value of the oscillator’s DAC: 0412437

 Name of the time source used for synchronizing the equipment: GPS

 GNSS receiver status: C: 000: O

 Count and list of currently active alarms: [0,NONE]

Frame sample:

2014-10-09 14:59:34,QT5,QF4,+3.610e-10,+008ns,0669564,GPS,C:100:O,[0,NONE]

Notes:

The GNSS receiver status contains 3 fields separated by ':':

 Antenna status: connected ('C'), not connected ('N') or shorted ('S')

 Survey progress: value between 000 to 100 (000 may be a normal value if survey is disabled)

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 Decoding status: decoding can be successful ('O') or incorrect ('N')

The alarms list equals 'NONE' when no alarm is active; otherwise, it contains a list of alarm codes separated by ':'

(see §6.2 for a full list of alarm codes).

'QF' and 'QT' are followed by a single digit between 0 and 5, see below for the corresponding status:

QT:

Bars Precision Equipment state

0 > 10µs

Indicates a problem in steady

state.

(Normal during startup)

1 1µs to 10µs

2 500ns to 1µs

3 100ns to 500ns

4 50ns to 100ns Normal

5 < 50ns

Precision is an image of the phase difference between the internal generated 1PPS and the 1PPS of the time

source.

QF :

Bars Stability Equipment state

0 > 1e-8 Indicates a problem in steady

state.

(Normal during startup)

1 1e-8 to 5e-9

2 5e-9 to 1e-9

3 1e-9 to 5e-10

Nominal 4 5e-10 to 1e-10

5 < 1e-10

5. MAINTENANCE

Maintenance operations are limited to software update.

5.1. SOFTWARE RELOADING

To be able to execute the update procedure you must be logged in as the 'root' user. See the section indicating

how to proceed.

Software update is done by using the provided tool: '/usr/bin/update'. Use it as follow:

 Copy on the SDCard the file(s) to update.

 Re-insert the SDCard and restart the equipment

 Open a shell by connecting with SSH or the Console

 Execute '/usr/bin/update'

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5.2. SOFTWARE UPDATE

The software update is made by storing the binary file contained in the 'update' directory of the SDcard in the

FLASH memory of the processor module. If a new binary file is provided by Timelink microsystems, please copy it

first in the SDCard in the /update directory.

To proceed, type the following command in a command shell.

"/usr/bin/update -u /config/update/<filename>"

<Filename> is the name of the binary file which contains the new software.

It is highly recommended to verify that the update was fully successful. To proceed, type the command

"/usr/bin/update -c /config/update/<fichier>"

The resulting information will indicate if the updated flash content and the file are identical. If not, try again to

make the update.

Note: if the update fails, the flash memory of the processor module may have been damaged. It will be necessary

to return the equipment, or only the processor module, to TIMELINK microsystems for investigation.

No sensible user data are stored on the processor module so your data will not be visible to the manufacturer.

5.3. GNSS RECEIVER RESET

To reset the GNSS it is necessary to be connected on the console or in Ssh on the equipment. When connected

type the following command from a shell:

"/usr/bin/coldstart"

During the GNSS reset the equipment remains operational but not disciplined to the GNSS. At the end of the GNSS

reset the equipment resumes to its nominal behavior.

Note: It is recommended to restart the equipment at the end of a GNSS reset to have better frequency stability

estimation because the reset induces abnormal measures that temporarily affect this estimation in a negative way.

6. APPENDIX

6.1. CONFIGURATION FILES EDITION

The only configuration file that can be modified by the user on this equipment id the 'user.ini' files.

Two means are available to modify the file:

 from the equipment itself

 from a PC equipped with a SDCard reader

6.1.1. EDITING FROM THE EQUIPEMENT

First, log in from a Console or SSH.

Once connected, use the 'vi' editor provided in the equipment.

Type 'vi /config/user.ini', modify the values, save the file and exit from the editor.

Once the modification of the file has been done, restart the equipment by typing 'reboot' for the new values to

take effect.

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1.1.1. EDITING FROM AN EXTERNAL SYSTEM

Before file modification, stop the equipment, remove the SDCard and insert it in the SDCard reader of a PC. Use a

text editor to modify the 'user.ini' file. Then remove the SDCard and insert it back in the equipment. Then power

on the equipment.

Important note:

Depending on the used text editor, verify than the encoding of the end of lines are in the UNIX format (only LF) and

not in the WINDOWS format (CR + LF). A bad encoding will lead to an unreadable file in the equipment. Text editor

'Notepad++' is a good choice for updating configuration files.

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Summary of TMS1000 parameters

Section Parameter Default value Operational value

[NETWORK] IP 192.168.10.190

MASK 255.255.255.0

MAC Depends on equipment serial

number

GW 192.168.10.254

BROADCAST 192.168.10.255

NAMESERVER 8.8.8.8

[NTP_SERVER] ENABLE Y

VERSION AUTO

NOTIME NO_ANSWER

[GPS] UTC_OFFSET 16

[RM] PUSH_TO 192.168.10.191:9000

Password 'maintenance' timelink

Password 'root' timelink

*** End of document ***

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