Comprehensive Product Summary – IMG‑4312‑4G Industrial 4G LTE Cellular Router

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### 1. Product Overview

Product Name: IMG‑4312‑4G
Model: IMG‑4312‑4G
Series: IMG‑4312(+) Industrial M2M Gateway Series
Article Number: IMG‑4312‑4G
Manufacturer: ORing Industrial Networking Corp.
Version: 1.0

The ORing IMG‑4312‑4G is an industrial‑grade 4G LTE cellular router and M2M gateway designed for reliable wireless and wired network connectivity in demanding environments. It integrates dual 10/100Base‑T(X) Ethernet ports, a multi‑protocol serial interface (RS‑232/422/485), and an IEEE 802.11b/g/n Wi‑Fi module. The device supports redundant 12–48 VDC power inputs and optional PoE (Power Device) functionality on the ETH1 port. With its rugged IP‑30 metal enclosure, extended temperature tolerance, and comprehensive network protocol support, the IMG‑4312‑4G is engineered for industrial automation, remote monitoring, and mobile communication applications.

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### 2. Key Features

- 4G LTE Cellular Connectivity: Integrated GSM/3G/4G LTE module supporting multiple regional frequency bands (US, EU, TW variants).
- Dual Ethernet Ports: Two 10/100Base‑T(X) RJ‑45 ports with Auto‑MDI/MDIX for flexible LAN/WAN configuration.
- Serial Communication: One DB9 serial port configurable for RS‑232, RS‑422, or RS‑485 operation.
- Wi‑Fi Interface: IEEE 802.11b/g/n wireless access point/client with up to 150 Mbps throughput.
- Redundant Power Inputs: Dual 12–48 VDC inputs on a 4‑pin terminal block for power reliability.
- PoE Power Device (PD): IEEE 802.3af‑compliant PoE input on ETH1 (IMG‑4312+ variant).
- Industrial Design: IP‑30 metal housing, DIN‑rail and wall‑mount options, and vibration/shock resistance per IEC standards.
- Wide Temperature Range: Operates from −10 °C to +60 °C; storage from −40 °C to +85 °C.
- Comprehensive Protocol Support: TCP/IP, UDP, DHCP, SNMP, HTTPS, SSH, SMTP, DDNS, PPPoE, and more.
- Security: WPA/WPA2, 802.1X authentication, WEP/AES/TKIP encryption, and SSID broadcast control.
- M2M Gateway Functionality: Supports simultaneous data transfer to up to five host PCs for redundancy and backup.
- LED Indicators: Status LEDs for power, Ethernet link/activity, Wi‑Fi, WAN, serial TX/RX, and PoE (where applicable).
- Compact and Lightweight: 45 × 81 × 95 mm, approximately 372 g.
- Long‑Term Reliability: 5‑year manufacturer warranty.

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### 3. Technical Specifications

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

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 % non‑condensing

Power
- Input Voltage: Dual 12–48 VDC redundant inputs via 4‑pin terminal block
- Power Consumption: Typical 4.8 W
- Protection: Overload, short‑circuit, reverse polarity protection
- PoE PD (IMG‑4312+ only): IEEE 802.3af compliant, isolation voltage ≥ 1000 VDC

Network Interfaces
- Ethernet Ports: 2 × 10/100Base‑T(X), Auto‑MDI/MDIX, RJ‑45 connectors
- Cable Support: Cat 3–6 UTP, up to 100 m (328 ft)
- Pin Assignments: Standard 10/100Base‑T(X) MDI/MDI‑X

Serial Interface
- Connector: DB9 male
- Modes: RS‑232, RS‑422, RS‑485 (software‑selectable)
- Baud Rate: 110 bps – 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

Cellular Interface
- SIM Slots: 1 × SIM card slot
- Antenna Connectors: 2 × SMA female (main and auxiliary)
- Supported Standards: GSM/GPRS/EDGE/WCDMA/HSDPA/HSUPA/LTE
- Regional Band Options:
- US: LTE B2/B4/B5/B17/B25; CDMA 800/1900 MHz; UMTS 850/900/1700/1900/2100 MHz; GSM 850/900/1800/1900 MHz
- EU: LTE B1/B3/B7/B8/B20; UMTS 800/850/900/1900/2100 MHz; GSM 850/900/1800/1900 MHz
- TW: LTE B1/B3/B5/B7/B8/B28; UMTS 850/900/1900/2100 MHz; GSM 850/900/1800/1900 MHz

Wi‑Fi Interface
- Standard: IEEE 802.11b/g/n
- Frequency Bands:
- FCC (US): 2.412–2.462 GHz (11 channels)
- CE/ETSI (EU): 2.412–2.472 GHz (13 channels)
- NCC (TW): 2.412–2.472 GHz (13 channels)
- Modulation:
- 802.11b: CCK, DQPSK, DBPSK
- 802.11g: OFDM
- 802.11n: BPSK, QPSK, 16‑QAM, 64‑QAM
- 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 @ 11 Mbps: −90 dBm ± 2 dB
- 802.11g @ 54 Mbps: −72 dBm ± 2 dB
- 802.11n @ MCS7 40 MHz: −68 dBm ± 2 dB
- Security: WEP (64/128‑bit), WPA/WPA2, WPA‑PSK (256‑bit), 802.1X authentication, TKIP/AES encryption, SSID broadcast disable

Network Protocols Supported
ICMP, IP, TCP, UDP, DHCP, BOOTP, SSH, DNS, SNMP v1/v2c, HTTPS, SMTP, DDNS, PPPoE

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### 4. Functionality

The IMG‑4312‑4G functions as a cellular router and M2M gateway, bridging wired Ethernet, serial, and wireless networks. It enables remote devices, sensors, or controllers to communicate over 4G LTE or Wi‑Fi networks. The built‑in modem automatically dials up to establish Internet connectivity, while the router can simultaneously transfer data to up to five host PCs for redundancy or data logging.

Use Cases and Applications:
- Industrial automation and SCADA systems
- Remote monitoring and telemetry
- Transportation and fleet management
- Energy and utility infrastructure
- Smart city and IoT deployments
- Backup communication link for critical systems

Compatibility:
Compatible with standard Ethernet devices (PCs, switches, routers, PLCs) and serial‑based equipment. Supports integration with existing IP networks and cloud‑based M2M platforms.

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### 5. Components & Accessories

Package Contents:
- 1 × IMG‑4312‑4G unit
- 1 × CD (documentation and utilities)
- 2 × LTE antennas (SMA connectors)
- 1 × Wi‑Fi antenna (RP‑SMA connector)
- 1 × Quick Installation Guide (QIG)
- 1 × DIN‑rail mounting kit
- 2 × Wall‑mount brackets
- 1 × 4‑pin terminal block for power input
- 2 × Dust covers for unused ports

Optional Accessories:
- External power supply (12–48 VDC)
- Additional antennas or extension cables
- Ethernet cables (Cat 5e/6)

Connectors and Interfaces:
- 2 × RJ‑45 Ethernet ports (ETH1, ETH2)
- 1 × DB9 serial port
- 1 × SIM card slot
- 2 × SMA female connectors for LTE antennas
- 1 × RP‑SMA female connector for Wi‑Fi antenna
- 1 × 4‑pin terminal block for power input
- 1 × Grounding screw

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### 6. Installation & Setup

Mounting Options:
- DIN‑rail: Attach the DIN‑rail kit to the rear panel and slide the device onto the rail until it clicks securely.
- Wall‑mount: Attach the two wall‑mount plates to the top and bottom panels using screws; mark and secure the wall screws through the keyhole slots.

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

Network Connection:
- Connect Ethernet ports using Cat 5e/6 UTP cables (up to 100 m).
- Insert a SIM card into the SIM slot for cellular connectivity.
- Attach LTE and Wi‑Fi antennas to their respective connectors.

Configuration:
- Access the web‑based management interface via a PC running Internet Explorer 6.0 or later.
- Configure network parameters, cellular settings, and Wi‑Fi security.
- Verify LED indicators for power, link, and activity status.

LED Indicators:
- PWR1/PWR2: Green – Power input active
- PoE: Green – PoE enabled (IMG‑4312+ only)
- ETH1/ETH2 LNK/ACT: Green – Link established and data transmitting
- Wi‑Fi LNK/ACT: Green – Wireless link active
- WAN LNK/ACT: Green – WAN connection established
- Serial TX/RX: Green/Red – Data transmission/reception

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### 7. Performance & Capabilities

Network Throughput:
- Ethernet: 10/100 Mbps full/half duplex
- Wi‑Fi: Up to 150 Mbps (802.11n)
- Cellular: Dependent on LTE network (up to tens of Mbps typical)

Data Handling:
- Supports simultaneous data transfer to five host PCs for redundancy.
- Provides reliable serial‑to‑IP and IP‑to‑serial data conversion.

Efficiency and Reliability:
- Dual power inputs ensure continuous operation during power source failure.
- PoE PD capability simplifies installation by eliminating separate power wiring.
- Low power consumption (~4.8 W typical) enhances energy efficiency.

Limitations:
- Ethernet limited to 100 Mbps (no Gigabit support).
- Single SIM slot (no dual‑SIM redundancy).
- Wi‑Fi limited to 2.4 GHz band only.

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### 8. Standards & Compliance

Electrical and Safety:
- Safety: EN 60950‑1
- Isolation Voltage: ≥ 1000 VDC
- Overload/Short‑Circuit Protection: Present
- Reverse Polarity Protection: Present

EMC/EMI Compliance:
- EMI: FCC Part 15, CISPR (EN 55022) Class A
- EMS: EN 61000‑4‑2 (ESD), EN 61000‑4‑3 (RS), EN 61000‑4‑4 (EFT), EN 61000‑4‑5 (Surge), EN 61000‑4‑6 (CS), EN 61000‑4‑8, EN 61000‑4‑11

Environmental and Mechanical:
- Vibration: IEC 60068‑2‑6
- Shock: IEC 60068‑2‑27, EN 61373
- Free Fall: IEC 60068‑2‑31

Wireless Standards:
- IEEE 802.11b/g/n (Wi‑Fi)
- IEEE 802.3af (PoE PD, IMG‑4312+ variant)

Certifications:
- FCC (US), CE (Europe), NCC (Taiwan) for wireless operation

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### 9. Additional Information

Warranty:
5‑year limited hardware warranty from ORing Industrial Networking Corp.

Support and Maintenance:
- Technical support via email: support@oring-networking.com
- Phone: +886‑2‑2218‑1066
- Fax: +886‑2‑2218‑1014
- Website: www.oring-networking.com

Maintenance Recommendations:
- Ensure adequate ventilation and avoid obstructing airflow.
- Regularly inspect power and antenna connections.
- Keep firmware updated via ORing’s support portal.
- Use only approved accessories and power supplies.

Documentation:
- Quick Installation Guide (QIG)
- User Manual and configuration utilities (on included CD)

Manufacturer Address:
ORing Industrial Networking Corp.
Taipei, Taiwan

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### Summary

The ORing IMG‑4312‑4G is a compact, industrial‑grade 4G LTE cellular router designed for mission‑critical M2M and IoT applications. It combines cellular, Ethernet, serial, and Wi‑Fi interfaces in a single rugged platform, enabling seamless data communication between field devices and remote control centers. With redundant power inputs, PoE support, and compliance with stringent industrial and EMC standards, the IMG‑4312‑4G ensures high reliability and uptime in harsh environments. Its flexible configuration options, robust security features, and broad protocol support make it an ideal solution for industrial automation, remote monitoring, and smart infrastructure deployments.