IG502 Quick Start Guide

Part 1: Quick Installation

What you need to do first: Unbox → Mount the device → Connect power and Ethernet → (If using cellular) Power off to install SIM and attach antennas → Power on → Set PC to same subnet → Open Web in browser. Then: Scroll down to Part 2 for packing list, indicator meanings, wall mounting, pinouts, and more.

Required Reading Summary

Item	Requirement
Power	12–48 V DC, terminal V+ / V− (or matching adapter); PWR solid red means powered on.
SIM / Micro SD	Must power off to install or remove; no hot-plugging.
Cellular / WLAN / GPS Antennas	Tighten by silkscreen label on housing; quantity varies by model (see §2.8).
USB	Supports hot-plugging; run sync and exit the mount directory before disconnecting.

Step 1: Check the Panel and Interface Areas Against the Physical Unit

Take a moment to compare your device with the panel diagrams below. IG502 comes in two variants: with IO interface and without IO interface. Locate the power/serial terminal, Ethernet ports, USB port, Micro SD slot, SIM card slots, and antenna connectors.

IG502 with IO interface:

IG502 without IO interface:

Upper panel (antenna and SIM area):

Panel details and variant differences → see §2.2.

Step 2: Mount the Device on a DIN Rail or in a Cabinet

Choose DIN rail mounting (default, using the rear mounting plate) or wall mounting (requires optional wall mounting kit). For DIN rail, hook the top of the holder onto the rail, then rotate the bottom upward to snap it in place.

DIN rail install/remove steps and three wall-mount methods → see §2.4.

Step 3: Connect Power and Ethernet

1. Wire the 7-pin industrial terminal: connect V+ to power positive and V− to power negative (12–48 V DC).
2. Plug one end of the network cable into either RJ45 port on the IG502, and the other end into your PC or switch.

Pin definitions for the power/serial terminal and RJ45 → see §2.5.2 and §2.5.1.

Step 4: (If Using Cellular) Power Off to Install SIM and Attach Antennas

Power must be off before installing or removing SIM cards.

1. Insert the Micro SIM card(s) into the card holder(s) on the upper panel.
2. Screw the required antennas into the SMA connectors by matching the silkscreen labels (ANT, AUX, WLAN, GPS). The number and type of antennas depend on your actual model.

SIM slot details, antenna silkscreen table, and model-specific antenna support → see §2.5.6.

Step 5: Power On and Confirm the Device Is Ready

Apply power. When the PWR indicator lights solid red, the device is powered normally. After boot completes, the STATUS indicator flashes slowly (green), indicating the system is up.

If you see	It means
PWR solid red, STATUS slow flash	Boot up successfully
PWR solid red, NET fast flash	Dialling (cellular connecting)
PWR solid red, NET on	Dialling successfully

Full indicator table and signal strength lights → see §2.3.

Step 6: Log In from Your PC via Browser

1. Set your PC’s IP address to the same subnet as the IG502 port you are using.

Port Role	Default IP
WAN/LAN	192.168.1.1
LAN	192.168.2.1

1. Open a browser and navigate to the matching IP. Example for LAN port:

https://192.168.2.1

1. Log in with the initial account:
2. Username: adm
3. Password: Check the nameplate on the device panel for the initial password.

Certificate warning, account details, and alternate access → see §2.7.

Post-Installation Checklist

• ☐ Device is mounted securely (DIN rail or wall).
• ☐ Power and Ethernet are connected; if using cellular, SIM and antennas are in place.
• ☐ PWR is solid red and STATUS is flashing slowly.
• ☐ Browser can open the Web login page and log in successfully.

If something is off: Review §2.3 (indicators), §2.5 (wiring/pinouts), and §2.7 (login details). To restore factory settings, use the RESET button procedure in §2.7.

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Part 2: Detailed Information

2.1 Packing List

Standard Accessories

No.	Name	Qty	Unit	Note
1	IG502	1	pcs	IG502 Edge Computing Gateway
2	GPS Antenna	-	pcs	Quantity and type depend on actual model
3	WLAN Antenna	-	pcs	Quantity and type depend on actual model
4	Cellular Antenna	-	pcs	Quantity and type depend on actual model
5	Rail Mounting Accessories	1	set	For fixing devices to rails
6	Industrial Terminals	1	pcs	7-Pin Industrial Terminal
7	Network Cable	1	pcs	1.5 m network cable
8	Product Information	1	pcs	QR code scanning to view quick start guide, user manual
9	Product Warranty Card	1	pcs	Warranty period is 1 year
10	Certificate of Conformity	1	pcs	IG502 Edge Computing Gateway Certificate of Compliance

Optional Accessories

No.	Name	Qty	Unit	Note
1	Power Adapter	1	pcs	12 V 2 A Power Adapter
2	Wall Mounting Kit	1	set	IG502 has 3 types of wall-mounting installation methods; choose according to actual deployment scenarios. Corresponding accessory part numbers can be viewed in the "Dimension" section of the IG502 Series Edge Gateway Product Specification.

2.2 Product Structure and Identification

InGateway502 (IG502) is a cost-effective edge gateway for industrial IoT. IG502 is compact in size, rich in interfaces, and has convenient global cellular access. It supports users to use Python secondary development, can be built-in InHand DeviceSupervisor™ Agent service, supports hundreds of data collection protocols, easily achieves device data collection, processing and cloud, and supports InHand DeviceLive cloud management, helping enterprises to accelerate the process of digitisation.

Front Panel

IG502 is divided into models with IO interface and without IO interface, and their front panels are as follows.

IG502 with IO interface:

IG502 without IO interface:

Upper Panel

2.3 Indicators and Reset Button

2.3.1 Operating Status Indicators

PWR	STATUS	WARN	ERR	NET (Internet)	Definition
Power indicator (red)	Status indicator (green)	Alarm indicator (yellow)	Error indicator (red)	Network indicator (green)
On	Off	Off	Off	Off	Booting
On	slow flash	Off	Off	Off	Boot up successfully
On	slow flash	Off	Off	Fast flash	Dialling
On	slow flash	Off	Off	On	Dialling successfully
On	slow flash	slow flash	slow flash	Off	Reset successfully
On	slow flash	Fast flash	Fast flash	Off	Upgrade

2.3.2 Signal Strength Indicators

Signal 1 (green)	Signal 2 (green)	Signal 3 (green)	Definition
Off	Off	Off	No signal detected
On	Off	Off	Signal status 1 ≤ CSQ ≤ 9 (indicating that there is a problem with the signal condition; please check whether the antenna is properly installed, whether the SIM card is correctly recognised, and whether the signal condition is good in the area)
On	On	Off	Signal status 10 ≤ CSQ ≤ 19 (indicating that the signal status is basically normal and the equipment can be used normally)
On	On	On	Signal status 20 ≤ CSQ ≤ 31 (indicating good signal condition)

2.3.3 Reset Button

There is a reset button on the device for restoring the system to factory defaults. Its physical location is shown on the front panel in §2.2.

Function: Hardware factory reset.

Procedure: See §2.7 for the full step-by-step factory reset process, including timing and LED states.

2.4 Mechanical Installation

2.4.1 DIN Rail: Installation

The DIN rail mounting plate is attached to the rear panel of the IG502 as shown below:

Installation steps are as follows:

1. Select the installation location of the equipment and ensure that there is enough space.
2. Snap the upper part of the DIN rail holder onto the DIN rail, and rotate the device at the lower end of the device with a little force upwards as shown in arrow 2 to snap the DIN rail holder onto the DIN rail, and confirm that the device is reliably mounted onto the DIN rail, as shown in the figure below:

2.4.2 DIN Rail: Dismounting

1. As shown by arrow 1 in the figure below, press down on the device to give clearance at the lower end of the device to disengage from the DIN rail.
2. Turn the device in the direction of arrow 2 and move the lower end of the device outwards at the same time. Lift the device upwards after the lower end is detached from the DIN rail to remove the device from the DIN rail.

2.4.3 Wall Mounting

The IG502 can be mounted using a wall mounting kit, which needs to be purchased separately. There are three wall mounting options. The general method is: first fix the wall mounting kit to the device with screws, then use screws to secure the device to the wall or cabinet. To remove, reverse the sequence.

Wall mounting method 1: Mount the wall mounting kit on the upper and lower panels of the IG502 (lug mounting)

Step 1: Fix the wall mounting kit to the upper and lower panels using the screws.

When the fixing is completed, it is shown in the figure below:

Step 2: Once the wall mounting kit is secured to the device, use screws to secure the device to the wall or cabinet.

Wall mounting method 2: Mount the wall mounting kit on the rear panel of the IG502 (back lugs)

Step 1: Screw the wall mounting kit to the rear panel of the device.

When the fixing is completed, it is shown in the figure below:

Step 2: Once the wall mounting kit is secured to the device, use screws to secure the device to the wall or cabinet.

Wall mounting method 3: Install the wall mounting kit on the upper and lower panels (large surface lugs) of the IG502

Step 1: Screw the wall mounting kit to the top and lower panels of the device.

After the fixing is completed, it is shown in the following picture:

Step 2: Once the wall mounting kit is secured to the device, use screws to secure the device to the wall or cabinet.

2.5 Connections and Cabling

2.5.1 Ethernet

The IG502 has 2 RJ45 Ethernet ports that support 10M/100M adaptive rates.

RJ45 pin description:

Pin	10M/100M
1	TX+
2	TX-
3	RX+
4	-
5	-
6	RX-
7	-
8	-

2.5.2 Power and Serial Port

The IG502 supports 12–48 V DC power supply. Plug the adapter terminal into the DC port of the IG502 and then connect the power adapter. When the PWR power indicator lights up long, it means the device has been powered up normally.

IG502 has 2 serial ports, one serial port supports RS485 and one serial port supports RS-232 or RS-485 mode.

• When the interface combination is RS232+RS485:
• Device node corresponding to RS232 serial port: /dev/ttyO1
• Device node corresponding to RS485 serial port: /dev/ttyO3
• When the interface combination is RS485+RS485:
• Device node corresponding to RS485-1 serial port: /dev/ttyO1
• Device node corresponding to RS485-2 serial port: /dev/ttyO3

The power supply and serial port use 7-pin terminals. Interface pin description:

PIN	Name	Definition
1	V+	Power Positive
2	V-	Power Negative
3	TXD or 1A	Serial RS232 send or first RS485+
4	RXD or 1B	Serial RS232 receive or first RS485-
5	GND	Serial RS232 signal ground
6	2A	Second RS485+
7	2B	Second RS485-

2.5.3 RS-485 DIP Switches

The 4-digit DIP switch enables or disables the pull-up/down resistors for A/B of RS-485 interfaces COM1 and COM2 respectively. Enabling the pull-up/down resistors of A/B of the RS-485 interface can improve the anti-interference ability of the RS-485 bus and solve the problem of garbled characters caused by interface chip compatibility.

Identification	Description
PU1	ON: Enable pull-up resistor for COM1 RS-485 A OFF: Disable pull-up resistor for COM1 RS-485 A (default)
PD1	ON: Enable pull-down resistor for COM1 RS-485 B OFF: Disable pull-down resistor for COM1 RS-485 B (default)
PU2	ON: Enable pull-up resistor for COM2 RS-485 A OFF: Disable pull-up resistor for COM2 RS-485 A (default)
PD2	ON: Enable pull-down resistor for COM2 RS-485 B OFF: Disable pull-down resistor for COM2 RS-485 B (default)

Note: Enabling the RS-485 pull-up/down resistors reduces the maximum number of access devices allowed on the RS-485 bus.

2.5.4 Digital Inputs

PIN Number	Name	Definition	Instruction
1	PCOM	Dry contact access terminal	4 digital/pulse inputs DI, 2 dry contact control interfaces. Dry contact status "1": closed Dry contact status "0": disconnected Wet contact state "1": +10~+30 V / -30~-10 V DC Wet contact status "0": 0~+3 V / -3~0 V DC Isolated 3000 VDC Support pulse signal counter function. Supports up to 100 Hz pulse signals (32-bit counter + 1-bit overflow flag)
2	DGND	Dry contact grounding terminal
3	DICOM	Input common terminal
4	DI0	Digital/Pulse Input 0 Connector
5	DI1	Digital/Pulse Input 1 Connector
6	DI2	Digital/Pulse Input 2 Connector
7	DI3	Digital/Pulse Input 3 Connector
8	NC	None

2.5.5 Digital Outputs

PIN Number	Name	Definition	Instruction
1	DO0	Digital/Pulse Output 0 Connector	3 digital/pulse outputs DO, 1 digital output. Isolated 3000 VDC
2	DGND	Grounding terminal
3	DO1	Digital/Pulse Output 1 Connector
4	DGND	Grounding terminal
5	DO2	Digital/Pulse Output 2 Connector
6	DGND	Grounding terminal
7	DO3	Digital Output 3 Connector
8	DGND	Grounding terminal

2.5.6 Cellular SIM and Antennas

SIM Card Slot

The IG502 is equipped with two Micro SIM card holders for cellular communication, located on the upper panel. The SIM card installation does not support hot-plugging and needs to be operated when the power is off.

Antenna Interface

IG502 has 4 antenna interfaces, and different models are equipped with different numbers of antennas. The antenna support for specific models can be found in the "Ordering Guide" section of the IG502 Series Edge Gateway Product Specification.

Identification	Name
GPS	GPS antenna
WLAN	WLAN Antenna
AUX	AUX Antenna (Auxiliary Antenna)
ANT	ANT (Main Antenna)

Note: The original document listed "WAN Antenna" for the WLAN silkscreen; this has been corrected to WLAN Antenna to match the housing silkscreen.

The product model shown below is IG502-FQ58-IO-W-G, which supports three antenna interfaces. Screw the required antenna into the corresponding SMA antenna connector to complete the antenna installation, as shown in the following figure:

2.5.7 USB and Micro SD

USB Interface

The IG502 provides a USB 2.0 Host interface, which is mainly used for expanding storage devices.

IG502 supports USB storage device hot-plugging. It will mount all the partitions automatically. IG502 will mount all the USB storage device partitions under the path /mnt/usb/sda1, and only the first partition of the USB storage device will be mounted.

ATTENTION: Before disconnecting the USB mass storage device, remember to enter the sync command to prevent data loss. When you disconnect the storage device, exit from the /mnt/usb/sda1 directory. If you remain in /mnt/usb/sda1, the automatic uninstall process will fail. If this happens, type umount /mnt/usb/sda1 to manually unmount the device!

Micro SD

The IG502 has a Micro SD card. The SD card does not support hot plugging and needs to be operated when the power is off. It will automatically mount all partitions.

The IG502 will mount all partitions of the micro SD memory card to the /mnt/sd path. The naming format of the mounted folder is mmcblk0p<num>, where <num> is a number from 0 to 9.

2.6 Power and Environmental Requirements

Item	Specification
Input Voltage	12–48 VDC (dual pin terminals, V+, V−)
Operating Power Consumption	250 mA @ 12 V
Operating Temperature	−25–70°C (−13–158°F)
Storage Temperature	−40–85°C (−40–185°F)
Environmental Humidity	5~95% (without frost)

2.7 First Login and Factory Reset

Web Login

Use the following default IP address to connect to the IG502:

Port	Default IP
WAN/LAN	192.168.1.1
LAN	192.168.2.1

Step 1: Interconnect the IG502 to the PC.

Insert one end of the cable into any of the IG502's network ports, and the other end into the computer's network port, and set the computer's IP address to the same network segment address as the device interface.

Step 2: Network and system management of IG502 via web.

IG502 supports the WEB interface management based on IEOS, which is a set of network management and system management programmes developed by InHand and running on Linux system, and IEOS can provide web interface service. Taking the network cable network port inserted into the LAN port as an example, the device login information is as follows:

• Login: https://192.168.2.1
• Initial login account: adm
• Initial login password: check the nameplate on the device panel for the initial password information

The following figure shows an example of using a WEB connection:

Factory Reset (RESET Button)

The RESET button for restoring the system to factory defaults is located on the device front panel (see §2.2). The procedure is as follows:

1. Press and hold the RESET button for 10 s after powering up the device.
2. When the ERR light turns red, release the RESET button.
3. After a few seconds when the ERR light goes out, press and hold the RESET button again without releasing it.
4. Release the RESET button when you see the ERR light blinking; wait for the ERR light to turn off, indicating that the factory settings have been restored successfully.

2.8 Related Documents

Need	Destination
Product introduction, USB/SD details, configuration and troubleshooting	IG502 User Manual
Ordering information and antenna model numbers	IG502 Series Edge Gateway Product Specification
Software and announcements	www.inhand.com

2.9 Legal Information

The software described in this manual is according to the license agreement, can only be used in accordance with the terms of the agreement.

Copyright Notice

© 2024 InHand Networks All rights reserved.

Trademarks

The InHand logo is a registered trademark of InHand Networks.

All other trademarks or registered trademarks in this manual belong to their respective manufacturers.

Disclaimer

The company reserves the right to change this manual, and the products are subject to subsequent changes without prior notice. We shall not be responsible for any direct, indirect, intentional or unintentional damage or hidden trouble caused by improper installation or use.