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I-8211W User Manual version 1.0.1 Page: 15

GLONASS Satellite Time Synchronization

The LinPAC built-in

NTPD package

uses GPS signal as default. You can change the setting to use

GLONASS signal:

(1)

Connecting antenna correctly.

(2)

Reset the system configuration (add -6 to enable GLONASS)

#vi /APP/autoexec.sh

(3)

Reboot the LinPAC

Содержание LP-8121

Страница 1: ...LinPAC I 8211W User Manual GPS GLONASS Time Synchronization V1 0 1 Apr 2022 LX 8131 LX 8331 LX 8731 LP 8121 LP 8421 LP 8821...

Страница 2: ...reserves the right to change this manual at any time without notice The information furnished by ICP DAS is believed to be accurate and reliable However no responsibility is assumed by ICP DAS for it...

Страница 3: ...l service icpdas com Contents Contents 3 1 Introduction 4 1 1 Features 5 1 2 Specifications 6 1 3 LED indicators 7 2 LinPAC I 8211W Getting Started 8 2 1 I 8211W GPS Time Synchronization 9 3 Internet...

Страница 4: ...use GPS GLONASS satellite time for automatic and precise time synchronization The I 8211W G can be plugged into any slot of the LinPAC the LinPAC will automatically launch the application and acquire...

Страница 5: ...017 ICP DAS Co Ltd All Rights Reserved E mail service icpdas com 1 1 Features Time synchronization error under 1 millisecond Support GPS GLONASS Capable of SBAS WAAS EGNOS MSAS Plug and Play in LinPAC...

Страница 7: ...ce icpdas com 1 3 LED indicators LED Status Description PWR Red ON The module s power is working correctly OFF The module s power turned off or error GPS GLONASS Green ON The module is searching GPS G...

Страница 8: ...ing Started This chapter provides a guided tour of the I 8211W installation for user working with the LinPAC for the first time Before starting any task please check the package contents If any of the...

Страница 9: ...o below steps to insert a I 8211W module into any expansion slot of LinPAC and synchronize GPS GLONASS time automatically LinPAC LX 8x31and LP 8x21 Series Step 1 Align circuit card with slot and press...

Страница 10: ...LinPAC After boot the Linux OS the LinPAC will automatically launch the application and get the GPS GLONASS time to minimize the RTC drift to 1 millisecond Using ntpq p command to check the time s err...

Страница 11: ...ied and it includes Technical Support and User s Manual Download etc Users can refer to the following web site to get more information 1 ICP DAS Web Site http www icpdas com 2 LX 8x31 LP 8x21 Product...

Страница 12: ...com Appendix A Troubleshooting Q1 No I 8211W s Linux device name Ans It means the Linux driver isn t installed or the module isn t setup correctly User can re plug the I 8211W module into the slot Aft...

Страница 13: ...ons 1 The location can t receive the GPS GLONASS signal 2 No antenna inserted 3 Wrong operator parameters 4 Hardware data interface dev ttyS configured incorrectly When this happens 1 Connecting anten...

Страница 14: ...I 8211W User Manual version 1 0 1 Page 14 Copyright 2017 ICP DAS Co Ltd All Rights Reserved E mail service icpdas com B I 8211W s Device Name in LinPAC LX 8x31 support 1 3 7 slots LP 8x21 support 1 4...

Страница 15: ...mail service icpdas com C GLONASS Satellite Time Synchronization The LinPAC built in NTPD package uses GPS signal as default You can change the setting to use GLONASS signal 1 Connecting antenna corre...

Страница 16: ...ICP DAS Co Ltd All Rights Reserved E mail service icpdas com D Revision History This chapter provides revision history information to this document The table below shows the revision history Revision...