Tekron NTS 02-G Manuel utilisateur

NTS 02-G

USER MANUAL

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Contents

Contents...................................................................................................................................................... 2

1. Introduction .................................................................................................................................... 4

Product Overview.................................................................................................................................................. 4

Accessories ............................................................................................................................................................ 4

2. Front Panel...................................................................................................................................... 5

LCD Display ............................................................................................................................................................ 5

Contrast Adjustment Mode................................................................................................................................... 8

LED Indicators........................................................................................................................................................ 8

USB Port .............................................................................................................................................................. 10

3. Back Panel ..................................................................................................................................... 11

P1 Power Input.................................................................................................................................................... 11

Earth Stud (M4 Nut) ............................................................................................................................................ 11

Ant: Antenna Connector (SMA Connector)......................................................................................................... 11

Antenna Cable Considerations ........................................................................................................................ 12

P2: IRIG-B Input (3-pin 3.81 mm Connector) ...................................................................................................... 13

P3: Programmable Output (3-pin 3.81 mm Connector)...................................................................................... 13

P4: Sync and Antenna Alarm Relays (4-pin 3.81 mm Connector) ....................................................................... 14

ADMIN/ETH 1: Ethernet Administration Port (RJ-45) ......................................................................................... 14

ETH 2 and ETH 3 – Ethernet Communication Ports (RJ-45) ................................................................................ 14

4. Software........................................................................................................................................ 15

Configuration Tool............................................................................................................................................... 15

USB driver............................................................................................................................................................ 15

5. Installation .................................................................................................................................... 16

Identification ....................................................................................................................................................... 16

Location............................................................................................................................................................... 16

Power Supply....................................................................................................................................................... 16

Hazardous Voltage .............................................................................................................................................. 16

Mounting the NTS 02-G....................................................................................................................................... 17

Operation ............................................................................................................................................................ 17

6. Factory Reset ................................................................................................................................ 18

7. Factory Hardware Options............................................................................................................ 19

Power Supply Options ......................................................................................................................................... 19

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Slave Only Option (Fiber input) ........................................................................................................................... 19

8. Appendix ....................................................................................................................................... 20

NTS 02-G Specifications....................................................................................................................................... 20

9. Warranty Statement ..................................................................................................................... 22

10. Notes............................................................................................................................................. 22

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1. Introduction

Welcome to the NTS 02-G user manual! This document contains everything you need to know about

the key features, hardware, and installation process of the NTS 02-G.

Product Overview

The NTS 02-G Network Time Server provides a precision time reference for synchronizing Ethernet

networks. The NTS 02-G features multiple independently addressed Ethernet ports, each supporting the

Network Time Protocol (NTP) and Precision Time Protocol (PTP). Each NTS 02-G base unit has a built-in

GNSS synchronized master clock which, in the default operating mode, provides the source reference

time used by all Ethernet ports.

The NTS 02-G product is ideally suited for use in industrial environments and can provide NTP or PTP

server functions to multiple independent Ethernet networks.

All NTS 02-G units feature a front panel display (see Figure 1) giving visual feedback about the time data

being generated on the outputs. LED indicators provide “at a glance” status information.

Figure 1 – NTS 02-G front and back panels

The NTS 02-G features an administrative 10/100 Mbps Ethernet port through which the unit’s inputs

and outputs can be configured.

Accessories

The NTS 02-G comes complete with an Ethernet cable to allow for customization and easy setup from

the Windows™ Configuration software, which is available to download from www.support.tekron.com

Optional accessories include antenna, low loss antenna cable, antenna pipe mounting components and

lightning protection kit.

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2. Front Panel

Figure 2 – NTS 02-G front panel

The NTS 02-G features two LED indicators on the front panel (see Figure 2), together with a USB port

and a 2-line by 16-character backlit LCD display.

SYNC LED: This LED shows the current sync status of the NTS 02-G.

ALM LED: This LED shows the alarm status of the NTS 02-G.

ADMIN (USB) Port: This port can be used to configure the NTS 02-G using the Tekron Configuration Tool

- available for download on the Tekron website www.tekron.com.

LCD Display

On initial power-up, the LCD display shows a copyright message, along with the serial number and NTS

02-G firmware version (see figure 3a).

Approximately 10 seconds after power-up, if the NTS 02-G is operating in its default mode as a GNSS

synchronized grandmaster clock, then the display changes automatically to indicate that it is waiting for

satellites (see figure 3b).

Once one or more satellites have been discovered, it transitions to the operating default display (see

figure 3c). Figures 3d and 3e show alternative time displays that can be accessed by pressing the button

on the front panel between the LED indicators.

Successive button-pushes can be used to cycle through all the display screens in turn. Examples of the

display screens are shown below:

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Figure 3a - Start up (Time Server ID)

Figure 3b - Waiting for satellites

3c – Operating default

3d – Local time

3e – UTC Time

3g – IP Address

3f - Alarm

Figure 3 – LCD display screens

“UTC” represents Coordinated Universal Time (approximately equivalent to GMT). The top line of screen

(Figure 3c) shows the time server’s current local time offset from UTC (hours and minutes), together

with the local date. The local time day-of-year and time-of-day are on the bottom line.

Figure 3c shows that the time server is operating with a local time offset of 12 hours ahead of UTC. The

local date is 17th March 2013, and the local time is 11:16:53 in the morning.

Figure 3d shows the same time and date, but also indicates that the time displayed is Local Standard

Time, and that the day is Tuesday. “LST” denotes Local Standard Time. If daylight savings time is active,

the “LST” in screen 3d changes to “LDT”, denoting Local Daylight Time.

Figure 3e shows the UTC time and date which is 11:16:53 on the evening of Monday 17th March 2013.

Figure 3g shows the basic Ethernet network settings for Admin/ETH1 port. In this example it shows the

port has been configured with a fixed/static IP address of 192.168.96.10.

The display screens in Figure 3b, 3c, 3d and 3e, each show a three-character status field at the bottom

right-hand corner of the display. When the NTS 02-G is operating in its default mode as a GNSS

synchronized grandmaster, this field provides further details about the GNSS function as shown in Figure

4a and Table 1a below.

NTS 02-G Ver. 3.05R

WAITING FOR SATS

GPS RX STAT: 00A

UTC+1200 17MAR13

076 11:16:53 87P

LST: TUE 17MAR13

076 11:16:53 87P

Fixed:

192 . 168 . 96 . 10

UTC: MON 16MAR13

075 23:16:53 87P

*** ANT L ***

075 23:16:53 80P

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LST: TUE 17MAR13

076 11:16:53 87P

When the NTS 02-G is synchronized from an IRIG-B source, this field directly indicates the sync source.

(See example for “SLC” source in Figure 4b). Table 1b shows the alternate sync sources supported by the

NTS 02-G.

Satellites in sky

Satellites tracked

GNSS Receiver Mode

LCD INDICATORS Table 1a – GNSS Status

Character

Values

Description

Satellites

in the sky

“0 - 9”: 0 - 9

“A - E”: 10-

“F”: >14

Represents the total number of satellites currently present in the sky

according to the GNSS almanac. “0” in this position means that NTS 02-G

has lost its knowledge of the GNSS satellites’ orbit geometries. This occurs if

the unit has been in storage for an extended period, or if the GNSS receiver

has been reset. It may take up to two hours for the NTS 02-G to operate

normally again.

Satellites

tracked

“0 - 9”: 0 - 9

“A - E”: 10 –

“F”: >14

This digit represents the number of satellites currently being used to

compute the time solution. A “0” value means that no updated time

solution is available, (“out of lock” condition). If this condition persists for

the “Holdover” time the NTS 02-G will indicate “out of sync” as described

under LED Indicators section below.

GNSS

Receiver

Mode

“A”

NTS 02-G in Acquiring mode - attempting to get satellite fixes.

“G”

“Bad geometry”: Satellites are positioned in almost a straight line so best

accuracy cannot be obtained, but the unit will still attempt to synchronize

to UTC.

“S”

Site Survey in progress. NTS 02-G is synchronized and is refining the

position calculation for higher precision. Once complete the mode will

change to Position hold.

“P”

“Position hold”: Position is now known precisely, and the NTS 02-G is

providing its most accurate time, typically within 40 ns of UTC.

Figure 3a - GPS Receiver Status Figure 4b - IRIG-B Source

LST: TUE 17MAR13

076 11:16:53 SLC

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LCD INDICATORS Table 1b – Alternative Sync Source

Character

Values

Description

Alternate

Sync

Source

“PTP” The NTS 02-G is synchronized to a PTP grandmaster

“NTP” The NTS 02-G is synchronized to an NTP server

“SLC”

The NTS 02-G is synchronized to an IRIG-B source on P2 input

“Slave:Copper”

“SLF”

The NTS 02-G is synchronized to an IRIG-B source on the Fiber input The

“Slave:Fiber”

“TST” The NTS 02-G is operating with manually set time.

If the time server is configured to synchronize to IRIG-B only (ignore GNSS) then “SL?” will be

displayed in the status field if there is no IRIG-B signal input or an invalid signal input.

Contrast Adjustment Mode

The LCD contrast can be adjusted by entering the Contrast Adjustment Mode. This mode is entered by

holding down the button on the front panel for approximately 3 seconds.

Once in Contrast Adjustment Mode, pressing the button will lighten the contrast and decrease the

contrast by one level. The LCD will cycle from the darkest to the lightest if the button is pressed when

on the lightest setting.

To exit the Contrast Adjustment Mode, hold down the button on the front panel for approximately 3

seconds again. The button will return to normal operation after this.

LED Indicators

The SYNC LED shows the status of the sync source. The various states are shown as follows: -

Off: The NTS 02-G has no power.

On: The NTS 02-G is synchronized to the source indicated by the LCD display

Slow Flash (1 flash per second): The NTS 02-G is operating in the “holdover” state (holdover timer

running) or is operating in the “tuning” state (timer server is gaining synchronization)

Fast Flash (5 flashes per second): The NTS 02-G is not synchronized. “Out of Sync” condition

The ALM LED indicates the internal alarm status of the NTS 02-G. It has only two operating states: -

Off: The NTS 02-G is operating normally, i.e., there are no alarms.

Fast Flash (5 flashes per second):At least one alarm is active. Refer to the alarm window in the Clock tab

of the Configuration Tool to find the name of the active alarm(s). A shorthand version of the alarm name

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will also appear on the LCD. Refer to the Specification Alarm table below for the details on each alarm

by name.

Table 2 - Alarm Specification

LCD Alarm

Alarm Name

Specification

Sats

Satellites

Low

The number of satellites currently being used for time and position

calculations is below the threshold.

Sync

No Sync

The NTS 02-G is not synchronized to any source, or holdover period has

expired, or the timing output inaccuracy has been exceeded.

Hold

Holdover

The NTS 02-G has lost synchronization to any source and is now in

holdover.

AntL

No Antenna

The antenna circuit current drain is low (typically under 3mA). This could

be caused by:

•poor connections

•the connected antenna having a lower current drain specification

•a component in the antenna system providing power to the

antenna and therefore the time server is not seeing a connected

load

•

there being no antenna connected

AntH

Antenna

Short

The antenna circuit current drain is high (typically over 100 mA). This is

caused by a short in the antenna circuit, or by moisture ingress in the

circuit, or if the antenna connected has a higher current drain

specification.

N/A*

Antenna

Fault

This alarm is generated if there is high current or low current detected on

the antenna input.

Factory

Reset Cycle

Power

Factory

Reset Armed

This alarm is generated if the Forgotten Password Reset (Factory Reset

Process) is enabled and has been initiated by the user.

IRIG

No IRIG-B

Input

No valid IRIG-B source is detected on the NTS 02-G input. This message

only appears if the NTS 02-G is configured with IRIG-B monitoring

enabled.

N/A*

Overcurrent

The NTS 02-G supports output current monitoring and has detected

excessive current on one or more outputs. Check the I/O tab to identify

which output is experiencing the fault.

IPeX

ETHx

Address

Fault

This alarm comes up when the DHCP server is unavailable or when the IP

address is assigned to some other node in the network and cannot be

assigned to the port. Under such situations the port defaults to a link local

address.

eX represents the port number which has the alarm. For example, IPe1

indicates address fault alarm on ETH1.

SYNC

FORCED ON

Sync Forced

This alarm is generated when the “Never leave Sync (Test Mode)” option

has been selected.

*Note: N/A indicates that this alarm does not appear on the LCD.

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USB Port

A second Admin port (USB type B) is provided to support local configuration/administration. The USB

port has the same configuration options as the Admin Ethernet port 1. The configuration software

supplied with the NTS 02-G supports both USB and Ethernet configuration. A USB driver for the NTS

02-G can be downloaded from www.support.tekron.com. The NTS 02-G can be configured through the

USB admin port only, to add an extra security layer.

Figure 5 – USB Admin Port

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