Comprehensive Product Summary – ORing IMG‑4312⁺‑3G Industrial Cellular Router

---

### 1. Product Overview

Product Name: IMG‑4312⁺‑3G
Model: IMG‑4312⁺‑3G
Series: IMG‑4312(+) Industrial M2M Gateway Series
Article Number: IMG‑4312⁺‑3G
Manufacturer: ORing Industrial Networking Corp.
Version: 1.0

The ORing IMG‑4312⁺‑3G is an industrial‑grade cellular router and M2M gateway designed for reliable data communication over 3G or 4G LTE networks. It integrates wired Ethernet, serial, and wireless interfaces into a compact, ruggedized enclosure suitable for harsh industrial environments. The device supports dual redundant DC power inputs, IEEE 802.3af Power‑over‑Ethernet (PoE) PD functionality, and IEEE 802.11b/g/n Wi‑Fi connectivity. It is engineered for applications requiring secure, continuous remote connectivity such as SCADA systems, transportation monitoring, energy management, and industrial automation.

---

### 2. Key Features

- Integrated Cellular Connectivity:
Built‑in 3G/4G LTE cellular modem supporting GSM, GPRS, EDGE, WCDMA, HSDPA, HSUPA, and LTE standards.
Supports multiple regional band options (US, EU, TW) for global deployment.

- Multi‑Interface Design:
- 2 × 10/100Base‑T(X) Ethernet ports (Auto MDI/MDIX)
- 1 × RS‑232/422/485 serial port (DB9 connector)
- 1 × IEEE 802.11b/g/n Wi‑Fi interface (up to 150 Mbps)
- 1 × PoE PD port (IEEE 802.3af compliant)

- Redundant Power Inputs:
Dual 12–48 VDC inputs on a 4‑pin terminal block for uninterrupted operation.

- Industrial‑Grade Construction:
IP‑30 metal enclosure, DIN‑rail and wall‑mount options, wide operating temperature range (‑10°C to +60°C).

- Advanced Networking Protocols:
Supports ICMP, IP, TCP, UDP, DHCP, BOOTP, SSH, DNS, SNMP v1/v2c, HTTPS, SMTP, DDNS, and PPPoE.

- Wi‑Fi Security:
WEP (64/128‑bit), WPA/WPA2, WPA‑PSK (256‑bit), 802.1X authentication, TKIP/AES encryption, SSID broadcast disable.

- PoE Power Device Functionality:
ETH1 port can receive power via Ethernet cable (IEEE 802.3af PD compliant), simplifying installation.

- High Reliability:
Overload, short‑circuit, and reverse polarity protection; isolation voltage ≥1000 VDC.

- Comprehensive LED Indicators:
LEDs for power, Ethernet link/activity, Wi‑Fi, WAN, serial TX/RX, and PoE status.

---

### 3. Technical Specifications

Physical Characteristics
- Dimensions: 45 (W) × 81 (D) × 95 (H) mm (1.77 × 3.19 × 3.74 in)
- Weight: ~372 g
- Enclosure: IP‑30 rated metal housing
- Mounting: DIN‑rail or wall‑mount (kits included)

Power
- Input Voltage: Dual 12–48 VDC (redundant inputs)
- Connector: 4‑pin terminal block (V1+, V1‑, V2+, V2‑)
- Power Consumption: Typical 4.8 W (varies by model: 3–5.3 W)
- PoE PD Input: IEEE 802.3af compliant, overload and short‑circuit protection
- Isolation Voltage: ≥1000 VDC
- Reverse Polarity Protection: Present
- Overload Current Protection: Present

Environmental Conditions
- Operating Temperature: ‑10°C to +60°C (14°F to 140°F)
- Storage Temperature: ‑40°C to +85°C (‑40°F to 185°F)
- Operating Humidity: 5%–95% RH (non‑condensing)
- Vibration Resistance: IEC 60068‑2‑6
- Shock Resistance: IEC 60068‑2‑27, EN 61373
- Free Fall: IEC 60068‑2‑31

Cellular Interface
- SIM Card Slot: 1 × standard SIM slot
- Antenna Connectors: 2 × SMA female (cellular), 1 × RP‑SMA female (Wi‑Fi)
- Supported Standards: GSM / GPRS / EDGE / WCDMA / HSDPA / HSUPA / LTE
- Regional Band Options:
- US Grade: LTE B2/B4/B5/B17/B25; CDMA/EVDO 800/1900 MHz; UMTS 850/900/1700/1900/2100 MHz; GSM 850/900/1800/1900 MHz
- EU Grade: LTE B1/B3/B7/B8/B20; UMTS 800/850/900/1900/2100 MHz; GSM 850/900/1800/1900 MHz
- TW Grade: LTE B1/B3/B5/B7/B8/B28; UMTS 850/900/1900/2100 MHz; GSM 850/900/1800/1900 MHz

Wi‑Fi Interface
- Standards: IEEE 802.11b/g/n
- Modulation:
- 802.11b: CCK, DQPSK, DBPSK
- 802.11g: OFDM
- 802.11n: BPSK, QPSK, 16‑QAM, 64‑QAM
- Frequency Bands:
- FCC (US): 2.412–2.462 GHz (11 channels)
- CE/ETSI (EU): 2.412–2.472 GHz (13 channels)
- NCC (Taiwan): 2.412–2.472 GHz (13 channels)
- Data Rates:
- 802.11b: 1/2/5.5/11 Mbps
- 802.11g: 6–54 Mbps
- 802.11n: up to 150 Mbps
- Transmit Power:
- 802.11b: 19 dBm ±1.5 dBm
- 802.11g: 17 dBm ±1.5 dBm
- 802.11n (20 MHz): 16 dBm ±1.5 dBm
- 802.11n (40 MHz): 14 dBm ±1.5 dBm
- Receiver Sensitivity:
- 802.11b: ‑90 dBm ±2 dB @ 11 Mbps
- 802.11g: ‑72 dBm ±2 dB @ 54 Mbps
- 802.11n (40 MHz, MCS7): ‑68 dBm ±2 dB

Serial Interface
- Connector: DB9 male
- Modes: RS‑232 / RS‑422 / RS‑485 (software selectable)
- Baud Rate: 110 bps to 115.2 kbps
- Data Bits: 7 or 8
- Parity: Odd, even, none, mark, space
- Stop Bits: 1, 1.5, or 2
- Flow Control: XON/XOFF, RTS/CTS, DTR/DSR

Ethernet Interface
- Ports: 2 × 10/100Base‑T(X) (Auto MDI/MDIX)
- Connector: RJ‑45
- Cable Types:
- 10Base‑T: Cat.3/4/5 UTP, 100 m max
- 100Base‑TX: Cat.5 UTP, 100 m max
- Pin Assignments:
- Pin 1: TD+
- Pin 2: TD−
- Pin 3: RD+
- Pin 6: RD−

---

### 4. Functionality

The IMG‑4312⁺‑3G functions as a cellular gateway and router that bridges wired, wireless, and serial communication channels. It connects remote devices or networks to the Internet or private WANs via embedded 3G/4G LTE cellular connectivity. The device can dial up automatically using its internal modem and maintain persistent connections for data acquisition, telemetry, or remote control.

Use Cases & Applications:
- Industrial automation and SCADA systems
- Remote monitoring of utilities and energy assets
- Transportation and fleet management
- Environmental and infrastructure telemetry
- Smart grid and IoT gateway applications

Operational Modes:
- Acts as a router, bridge, or gateway between Ethernet, serial, and cellular networks.
- Supports simultaneous data transfer to up to five host PCs for redundancy.
- Provides Wi‑Fi access point or client functionality for local wireless connectivity.
- ETH1 port can receive PoE power, while ETH2 can serve as WAN or LAN depending on configuration.

Compatibility:
- Compatible with standard Ethernet devices (PCs, switches, routers, PLCs).
- Supports standard TCP/IP protocols for interoperability with existing network infrastructure.
- Web‑based management accessible via Microsoft Internet Explorer 6.0 or later.

---

### 5. Components & Accessories

Package Contents:
- 1 × IMG‑4312⁺‑3G unit
- 1 × CD (documentation and utilities)
- 2 × Cellular antennas (for 3G model)
- 1 × Wi‑Fi antenna
- 1 × DIN‑rail mounting kit
- 2 × Wall‑mount brackets
- 1 × 4‑pin terminal block connector
- 2 × Dust covers
- 1 × Quick Installation Guide (QIG)

Optional Accessories:
- Additional LTE antennas (for 4G variant)
- External power supply (12–48 VDC)
- Ethernet cables (Cat.5e or higher)

Connectors:
- 2 × RJ‑45 (Ethernet)
- 1 × DB9 (serial)
- 1 × SIM card slot
- 2 × SMA female (cellular antennas)
- 1 × RP‑SMA female (Wi‑Fi antenna)
- 1 × 4‑pin terminal block (power input)

---

### 6. Installation & Setup

Mounting Options:
- DIN‑Rail Mounting:
Attach the DIN‑rail kit to the rear panel using screws, then slide the device onto the rail until it clicks securely.
- Wall Mounting:
Attach wall‑mount plates to the top and bottom panels, mark screw positions, and secure the device using four screws.

Power Connection:
1. Insert DC wires into the V+/V− terminals for PWR1 and PWR2.
2. Tighten wire‑clamp screws to secure connections.
3. Connect grounding wire to the chassis ground screw to minimize EMI.

Network Connection:
- Connect Ethernet ports using Cat.5 or higher UTP cables (up to 100 m).
- Insert SIM card into the SIM slot before powering on.
- Attach cellular and Wi‑Fi antennas to their respective connectors.

Configuration:
- Access the web‑based management interface via Ethernet or Wi‑Fi.
- Configure WAN (cellular or Ethernet), LAN, and serial parameters.
- Set up security, DHCP, and routing options as required.

LED Indicators:
- PWR1/PWR2: Green ON – power input active
- PoE: Green ON – PoE enabled
- ETH1/ETH2: Green ON – link active; blinking – data transmission
- Wi‑Fi: Green ON – wireless link established
- WAN: Green ON – WAN connection active
- Serial TX/RX: Green/Red – data transmission/reception

---

### 7. Performance & Capabilities

- Wi‑Fi Throughput: Up to 150 Mbps (802.11n)
- Ethernet Speed: 10/100 Mbps full/half duplex, auto‑negotiation
- Serial Data Rate: Up to 115.2 kbps
- Cellular Data Rate: Dependent on network (3G/4G LTE)
- Power Efficiency: Typical consumption 4.8 W
- Redundancy: Dual DC inputs ensure continuous operation during power source failure
- PoE Capability: IEEE 802.3af PD allows power input via Ethernet cable
- Reliability: Designed for 24/7 operation in industrial environments with extended temperature tolerance and vibration resistance

Limitations:
- Not designed for outdoor use without enclosure protection
- Wi‑Fi limited to 2.4 GHz band
- Cellular performance dependent on regional network coverage

---

### 8. Standards & Compliance

Electrical & Safety Standards:
- EN 60950‑1 (Safety)
- IEC 60068‑2‑6 (Vibration)
- IEC 60068‑2‑27 (Shock)
- IEC 60068‑2‑31 (Free Fall)

EMI/EMS Compliance:
- EMI: FCC Part 15, CISPR (EN55022) Class A
- EMS: EN61000‑4‑2 (ESD), EN61000‑4‑3 (RS), EN61000‑4‑4 (EFT), EN61000‑4‑5 (Surge), EN61000‑4‑6 (CS), EN61000‑4‑8, EN61000‑4‑11

Environmental Protection:
- IP‑30 enclosure for protection against solid objects ≥2.5 mm

Industry Standards Supported:
- IEEE 802.3 (Ethernet)
- IEEE 802.3af (PoE PD)
- IEEE 802.11b/g/n (Wi‑Fi)
- GSM/UMTS/LTE cellular standards

---

### 9. Additional Information

Warranty: 5 years limited warranty
Manufacturer Support:
- Company: ORing Industrial Networking Corp.
- Address: Taipei, Taiwan
- Tel: +886‑2‑2218‑1066
- Fax: +886‑2‑2218‑1014
- Email: support@oring‑networking.com
- Website: [www.oring‑networking.com](http://www.oring-networking.com)

Maintenance & Updates:
- Firmware updates available via ORing support portal.
- Regular inspection recommended for antenna connections and power terminals.
- Clean device with dry cloth; avoid exposure to moisture or corrosive environments.

Safety Notes:
- Ensure adequate ventilation to prevent overheating.
- Avoid mechanical stress or uneven loading during installation.
- Verify circuit ratings to prevent overcurrent conditions.
- Ground the device properly to minimize EMI interference.

---

### Summary

The ORing IMG‑4312⁺‑3G is a compact, high‑reliability industrial cellular router designed for mission‑critical M2M and IoT applications. Combining dual Ethernet ports, a multi‑mode serial interface, Wi‑Fi connectivity, and integrated 3G/4G LTE cellular communication, it provides flexible networking options for remote monitoring and control. Its rugged IP‑30 enclosure, redundant power inputs, and PoE PD capability make it ideal for deployment in demanding industrial environments. With comprehensive protocol support, advanced security, and compliance with international standards, the IMG‑4312⁺‑3G delivers robust, secure, and continuous connectivity for modern industrial networks.