ICP DAS USA LX-8131 User manual

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

LinPAC + I-8211W User Manual version 1.0.1 Page: 2
Copyright © 2017 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
Warranty
All products manufactured by ICP DAS are under warranty regarding defective
materials for a period of one year, beginning from the date of delivery to the
original purchaser.
Warning
ICP DAS assumes no liability for any damage resulting from the use of this
product. ICP DAS 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 its use, not for any
infringements of patents or other rights of third parties resulting from its use.
Copyright
Copyright @ 2022 by ICP DAS Co., Ltd. All rights are reserved.
Trademark
The names used for identification only may be registered trademarks of their
respective companies.
Contact US
If you have any problem, please feel free to contact us.
You can count on us for quick response.
Email: [email protected]

LinPAC + I-8211W User Manual version 1.0.1 Page: 3
Copyright © 2017 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
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 Service..............................................................................................................................11
Appendix............................................................................................................................................12
A. Troubleshooting ....................................................................................................................12
B. I-8211W’s Device Name in LinPAC ........................................................................................14
C. Revision History .....................................................................................................................15

LinPAC + I-8211W User Manual version 1.0.1 Page: 4
Copyright © 2017 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
1. Introduction
I-8211W-G is a GPS, GLONASS receiver module designed to 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 GPS, GLONASS time to reduce RTC drift to 1ms. The I-8211W is preset to
receive GPS signals, you can modify the LinPAC settings to receive GLONASS signals.
PS: LinPAC with NTPD package: LP-8x21, LX-8x31

LinPAC + I-8211W User Manual version 1.0.1 Page: 5
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1.1. Features
●Time synchronization, error under 1 millisecond
●Support GPS, GLONASS
●Capable of SBAS (WAAS, EGNOS, MSAS)
●Plug and Play in LinPAC (LX-8x31, LP-8x21) series.
-LX-8131/8331/8731
-LP-8121/8421/8821

LinPAC + I-8211W User Manual version 1.0.1 Page: 6
Copyright © 2017 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
1.2. Specifications

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Copyright © 2017 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
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/GNSS.
OFF
The module’s GPS/GNSS error.
Blanking
(1 sec)
The module is working correctly and receiving GPS/GNSS data.

LinPAC + I-8211W User Manual version 1.0.1 Page: 8
Copyright © 2017 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
2. LinPAC + I-8211W Getting 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 following package
contents are missing or damaged, contact your dealer, distributor.
I-8211W Package Checklist
I-8211W and a 5m antenna (ANT-115-03)

LinPAC + I-8211W User Manual version 1.0.1 Page: 9
Copyright © 2017 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
2.1. I-8211W (GPS/GLONASS Time Sync Module)
Please refer to 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 firmly to seat module into connector
Tips & Warnings
It is recommended that the power to the LinPAC is switched off when wring the
I/O module which are plugging in the LinPAC slots.

LinPAC + I-8211W User Manual version 1.0.1 Page: 10
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Step 2: Pull top and bottom locking tabs toward module face. Click indicates lock is engaged.
Step 3: Power on 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 error (the time error < 1ms). Please refer to below diagram:
Tips & Warnings
Sometime the ntpd daemon need to spend 10~20 minutes to minimize the time
error, so the command “ntpq –p” can’t show the symbol ‘o’ or time error less
than 1ms immediately.

LinPAC + I-8211W User Manual version 1.0.1 Page: 11
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3. Internet Service
The internet service provided by ICP DAS will be satisfied 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 Page:
https://www.icpdas.com/en/product/LX-8731
https://www.icpdas.com/en/product/LP-8821
3. I-8211W Product Page:
https://www.icpdas.com/en/product/I-8211W-G
4. E-mail for Technical Support : [email protected]

LinPAC + I-8211W User Manual version 1.0.1 Page: 12
Copyright © 2017 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
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. After the I-8211W installed, user must reinstall the Linux
driver module (8250.ko), please refer to below steps:
LP-8x21
LX-8x31

LinPAC + I-8211W User Manual version 1.0.1 Page: 13
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Q2: The I-8211W’s GPS/GLONASS led always show “ON” or “OFF” status.
Ans: If the GPS led (green) of I-8211W always show the “ON” or “OFF” status, it means the
I-8211W can’t receive the GPS/GLONASS data.
For some complicated reasons:
(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 antenna correctly.
(2) Moving the antenna to the location that can receive the GPS signal.
(3) Checking the I-8211W device name that you used are correct or reinstall the Linux driver
again (please refer to the “Q1: No I-8211W’s Linux device name?”)
After you have done the above, if the error still exists, try to unplug the power and plug the power
again.

LinPAC + I-8211W User Manual version 1.0.1 Page: 14
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B. I-8211W’s Device Name in LinPAC
LX-8x31(support 1, 3, 7 slots):
LP-8x21(support 1,4,8 slots):

LinPAC + I-8211W User Manual version 1.0.1 Page: 15
Copyright © 2017 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
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 correctly.
(2) Reset the system configuration (add -6 to enable GLONASS)
#vi /APP/autoexec.sh
(3) Reboot the LinPAC

LinPAC + I-8211W User Manual version 1.0.1 Page: 16
Copyright © 2017 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
D. Revision History
This chapter provides revision history information to this document.
The table below shows the revision history.
Revision
Date
Description
V1.0.1
Apr 2022
V1.0.0
Nov 2017
Initial issue