ICP DAS USA GRP-2841M User manual

User Manual
Version 1.1.0 Aug 2022
GRP-2841M
4G / 5G / Ethernet Gateway

GRP-2841M User Manual Version 1.1.0 Page：2
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [email protected]
Table of Contents
1. Introduction .........................................................................................................................5
2. Hardware Specification.......................................................................................................6
2.1 GRP-2841M Specifications.............................................................................................6
2.2 Accessories Specifications..............................................................................................7
3. Application Architecture.....................................................................................................9
3.1 4G / 5G Wireless Router.................................................................................................9
3.2 Remote Video Monitor ....................................................................................................9
3.3 Serial Port Gateway Application....................................................................................10
3.4 Node-RED Application ..................................................................................................10
4. Hardware............................................................................................................................11
4.1 Appearances.................................................................................................................11
4.2 Dimension.....................................................................................................................12
4.3 LED Indicators ..............................................................................................................13
4.4 Rotary Switch................................................................................................................14
4.5 Mounting the Expansion Components ..........................................................................14
4.5.1 Mounting the communication module.....................................................................15
4.6 Install the SIM card .......................................................................................................19
4.7 Installing the antenna....................................................................................................21
5. Web Utility..........................................................................................................................23
5.1 Login the Utility .............................................................................................................23
5.2 Information....................................................................................................................24
5.2.1 Device Information..................................................................................................24
5.2.2 Network Information ...............................................................................................25
5.2.3 Storage Information................................................................................................27
5.3 Network.........................................................................................................................27
5.3.1 Ethernet..................................................................................................................27
5.3.2 WLAN.....................................................................................................................28
5.3.3 PIN / APN Configure...............................................................................................29

GRP-2841M User Manual Version 1.1.0 Page：3
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [email protected]
5.3.4 Network Reconnection ...........................................................................................30
5.3.5 DNS........................................................................................................................30
5.3.6 DDNS Client...........................................................................................................31
5.3.7 VPN........................................................................................................................31
5.3.8 DHCP Server..........................................................................................................33
5.3.9 Routing & Port Mapping & White list.......................................................................34
5.3.10 Diagnostic...............................................................................................................36
5.3.11 Reset Network........................................................................................................37
5.4 System..........................................................................................................................38
5.4.1 Password................................................................................................................38
5.4.2 Reboot....................................................................................................................38
5.4.3 Reboot Timer..........................................................................................................38
5.4.4 Backup & Restore...................................................................................................39
5.4.5 Update....................................................................................................................39
5.4.6 Restore Factory......................................................................................................40
5.4.7 Time........................................................................................................................40
5.5 VxServer.......................................................................................................................41
5.5.1 VxServer.................................................................................................................41
5.6 RTU Client ....................................................................................................................43
5.6.1 RTU Client..............................................................................................................43
5.6.2 FTP Test.................................................................................................................47
5.6.3 Email Test...............................................................................................................47
5.6.4 Modbus Test...........................................................................................................48
6. Example .............................................................................................................................50
6.1 4G / 5G Router Application ...........................................................................................50
6.2 Web Server and IP Camera Application........................................................................53
6.3 Remote I/O Control / Temperature Monitor...................................................................57
6.4 Modbus TCP to Modbus RTU over 4G / 5G, and card reader monitor..........................63
6.5 RTU Client for Remote Control Application with RTU API.............................................67
6.6 RTU Client for Remote ControlApplication with OPC DA Server..................................78
6.7 RTU Client for Remote Control Application with InduSoft. ............................................80
6.8 Email or FTP report I/O logger file.................................................................................82
Appendix A. Revision History.................................................................................................85

GRP-2841M User Manual Version 1.1.0 Page：4
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
Important Information
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
Names are used for identification purpose only and 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]

GRP-2841M User Manual Version 1.1.0 Page：5
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
1. Introduction
The GRP-2841M provided by ICP DAS is a gateway for Ethernet and serial port. The
GRP-2841M can be used for wireless data transmission and other functions through its
optional 4G / 5G / Wi-Fi communication module. With the optional GPS function, the
GRP-2841M can also be used as a GPS tracking system for vehicle management or maritime
system. It can be used in M2M application to transmit remote I/O, Modbus data or camera
video. Within the high-performance CPU, the GRP-2841M can process large amounts of data
and is suitable for harsh industrial environments.

GRP-2841M User Manual Version 1.1.0 Page：6
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
2. Hardware Specification
2.1 GRP-2841M Specifications
Models
GRP-2841M
Software
OS
Linux Kernel 4.14.98
Service
SSH, FTP, Web Server, SMTP, SNMP, DDNS
Function
NAT and port forwarding function
Remote Terminal Unit (RTU)
Multiport serial gateway
4G / 5G wireless router (option)
Main Unit
CPU
Cortex-A53 CPU, 1.6 GHz, quad-core
System Memory
1 GB LPDDR4 SDRAM
Storage
8 GB eMMC Flash, 4 GB microSD card (up to 32 GB)
Non-Volatile Memory
64 KB FRAM;
128 KB MRAM
RTC (Real Time Clock)
Provide seconds, minutes, hours, dates, day of week, month, year
Watchdog Timer
Yes
64-bit Hardware Serial
Number
Yes, for software copy protection
LED Indicators
6 LEDs (PWR, NET, RUN, L1, L2, L3)
Rotary Switch
1 x 10 Position (0 ~ 9)
Communication Ports
Ethernet
2 x RJ-45, 10/100/1000 Based-TX (Auto-negotiating, Auto MDI/MDI-X, LED indicators)
USB 2.0 (host)
2
Console
RS-232 (RxD, TxD and GND); Non-isolated
COM 1
RS-232 (RxD, TxD and GND); Non-isolated
COM 2
RS-485 (Data+, Data-); 2500 VDC isolated
COM 3
RS-485 (Data+, Data-); 2500 VDC isolated
Mechanical
Casing
Metal
Dimensions (W x L x H)
35 mm x 167 mm x 119 mm
Ingress Protection Rating
IP30 (Aluminum)
Installation
DIN-Rail Mounting
Environment
Operating Temperature
-25 ~ +70°C
Storage Temperature
-30 ~ +80°C
Ambient Relative Humidity
10 ~ 90% RH, Non-condensing
Power
Input Range
+12 ~ 48 VDC
Consumption
9.6 W (0.4 A @ 24 VDC)


GRP-2841M User Manual Version 1.1.0 Page：7
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
2.2 Accessories Specifications
4G / 5G Modem
Module
(Optional)
EC25-E
EC20-CE
RM500Q-AE
RM500Q-GL
Category
LTE category 4
LTE category 4
LTE category 18, 5G
NR Sub-6 GHz
LTE category 18, 5G
NR Sub-6 GHz
Frequency Bands
5G
--
--
n1/n2/n3/n5/n7/n8/n12/
n20/n25/n28/n38/n40/n
41/n48*/n66/n71/n77/n
78/n79
n1/n2/n3/n5/n7/n8/n12/
n20/n25/n28/n38/n40/n
41/n48*/n66/n71/n77/n
78/n79
LTE-FDD
B1/B3/B5/B7/B8/B20
B1/B3/B5/B8
B1/B2/B3/B4/B5/B7/B8/
B12(B17)/B13/B14/B18
/B19/B20/B25/B26/B28
/B29/B30/B32/B66/B71
B1/B2/B3/B4/B5/B7/B8/
B12/B13/B14/B17/B18/
B19/B20/B25/B26/B28/
B29/B30/B32/B66/B71
LTE-TDD
B38/B40/B41
B34/B38/B39/B40/B41
B34/B38/B39/B40/B41/
B42/B43/B48
B34/B38/B39/B40/B41/
B42/B43/B48
WCDMA
B1/B5/B8
B1/B8
B1/B2/B3/B4/B5/B6/B8/
B19
B1/B2/B3/B4/B5/B8/B1
9
GSM/EGPRS
900/1800Mhz
900/1800Mhz
--
--
Area
Region
EMEA, Korea,
Thailand, India
China
Global (Except for
China)
Global (Except for
United States)
Certification
Carrier:
Vodafone,
Deutsche Telekom,
SKT,
Telefónica,
T-Mobile,
KT / LGU+
Regulatory:
GCF,
CE,
KC,
NCC,
RCM,
FAC,
NBTC,
ICASA
Regulatory:
SRRC,
NAL,
CCC
Carrier:
AT&T*
T-Mobile*
Verizon*
NTT DOCOMO*
Telstra*
Regulatory:
GCF*
PTCRB*
CE
RCM
IC*
FCC*
JATE*
TELEC*
Carrier:
China Telecom
China Mobile
China Unicom
KT*
SKT*
LGU+*
Regulatory:
GCF
CE
SRRC
NAL
CCC
KC
RCM
Environment
Temperature
Range
-40°C ~ +85°C
-40°C ~ +80°C
-40°C ~ +90°C
-40°C ~ +90°C
Dimensions
51.0mm × 30.0mm ×
4.9mm
51.0mm × 30.0mm ×
4.9mm
30.0mm × 52.0mm ×
2.3mm
30.0mm × 52.0mm ×
2.3mm
For further information, please refer to
https://www.icpdas.com/en/product/guide+Wireless__Communication+3G_4G_5G__Products
+Modem#1246

GRP-2841M User Manual Version 1.1.0 Page：8
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
Wi-Fi Module
Module (Optional)
RYWDB00
Wi-Fi
Standard
IEEE 802.11a/b/g/n
Mode
Wi-Fi Access Point
Wi-Fi Client
Data Transmission Rate
802.11b: 1, 2, 5.5, 11 Mbps
802.11g/a: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
802.11n: MCS0 to MCS7
Frequency Range
2412 MHz –2484 MHz
4.9 GHz –5.975 GHz
Transmit Power
2.4 GHz: 18 dBm, 5 GHz: 13.5 dBm
Receive Sensitivity
2.4 GHz: -96.5 dBm, 5 GHz: -89 dBm
Encryption
Open / WPA / WPA2
Client for AP mode
Max. 16 Clients
Environment
Operating Temperature
Range
-40°C ~ +85°C
Dimensions
30.0mm × 26.8mm × 3.0mm

GRP-2841M User Manual Version 1.1.0 Page：9
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
3. Application Architecture
3.1 4G / 5G Wireless Router
3.2 Remote Video Monitor

GRP-2841M User Manual Version 1.1.0 Page：10
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
3.3 Serial Port Gateway Application
3.4 Node-RED Application
*About Node-RED, please download Node-RED package from
https://www.icpdas.com/en/download/index.php?model=GRP-2841M for detail.
The Node-RED package includes demos, manuals, and patch file.

GRP-2841M User Manual Version 1.1.0 Page：11
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
4. Hardware
4.1 Appearances

GRP-2841M User Manual Version 1.1.0 Page：12
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
4.2 Dimension
(Units: mm)

GRP-2841M User Manual Version 1.1.0 Page：13
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
4.3 LED Indicators
●NET LED
Net led is status of 4G/5G Modem (option).
Modem
LED
Status
EC2X
(4G Modem)
1800 ms ON
200 ms OFF
Registered
200 ms ON
1800 ms OFF
Network Searching
125 ms ON
125 ms OFF
Data transfer
LED Indicator
Color
Meaning
RUN
Green
Power on and OS is running
(Normal is blinking)
NET
Orange
4G/5G status indicator
PWR
Red
Power is on
L1
Green
The status of RTU Client
(Normal is blinking)
L2
Orange
Reserve
L3
Red
Reserve

GRP-2841M User Manual Version 1.1.0 Page：14
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
Modem
LED
Status
RM500Q
(5G Modem)
ON
OK
OFF
Failed
4.4 Rotary Switch
There are some functions of rotary switch. The description is as follows:
(1) 0 : Normal mode, default position.
(2) 9 : If the user sets the rotary switch to 9 and then restarts the device, the Ethernet IP will
be set to "192.168.255.1". It is useful when users forget the Ethernet IP.
4.5 Mounting the Expansion Components
GRP-2841M has two mini pcie sockets and one M.2 socket to expand the wireless
communication function. Please refer to the following installation steps for installation
requirements.

GRP-2841M User Manual Version 1.1.0 Page：15
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
4.5.1 Mounting the communication module
(1) Remove stripped screws and then remove the cover
(2) Hold the communication module , and then carefully insert it into the socket.
If the communication module is RM500Q (5G modem), please plug it into the M.2
socket.
If the communication module is EC2X (4G modem), please plug it into the mini
pcie socket_1.
If the communication module is RYWDB00 (Wi-Fi module), please plug it into the
mini pcie socket_2.
(3) Fasten the communication module using the screws supplied.

GRP-2841M User Manual Version 1.1.0 Page：16
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
or
or
Warning: 4G and 5G modem cannot be used at the same time.
(4) Connect the communication module using the ipex connector supplied

GRP-2841M User Manual Version 1.1.0 Page：17
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]

GRP-2841M User Manual Version 1.1.0 Page：18
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]

GRP-2841M User Manual Version 1.1.0 Page：19
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
(5) Install Thermal Silicone Sheet.
(6) Close the cover and then fasten the screws.
4.6 Install the SIM card
Before using mobile communication, users need to install a SIM card. Please follow the steps.
(1) Remove stripped screws and then remove the cover

GRP-2841M User Manual Version 1.1.0 Page：20
Copyright © 2022 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
(2) Insert the SIM card
(3) Close the cover and then fasten the screws.