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

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### 1. Product Overview

Product Name: IMG‑4312‑3G
Model: IMG‑4312‑3G (part of the IMG‑4312(+) Series)
Article Number: IMG‑4312‑3G
Manufacturer: ORing Industrial Networking Corp.
Product Type: Industrial 3G LTE Cellular Router / M2M Gateway
Version: 1.0

The ORing IMG‑4312‑3G is a rugged, industrial‑grade cellular router designed for machine‑to‑machine (M2M) and Internet of Things (IoT) applications. It integrates 3G/4G LTE cellular connectivity, dual 10/100Base‑T(X) Ethernet ports, and a multi‑mode serial interface (RS‑232/422/485). The unit also includes IEEE 802.11b/g/n Wi‑Fi capability and supports redundant DC power inputs for high reliability in mission‑critical environments.

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### 2. Key Features

- Multi‑Interface Connectivity:
- Two 10/100Base‑T(X) Ethernet ports with Auto MDI/MDI‑X support.
- One serial port configurable as RS‑232, RS‑422, or RS‑485.
- One SIM card slot for cellular network access.
- Integrated IEEE 802.11b/g/n Wi‑Fi interface with speeds up to 150 Mbps.

- Cellular Communication:
- Embedded 2G/3G/4G LTE modem supporting GSM, GPRS, EDGE, WCDMA, HSDPA, HSUPA, and LTE standards.
- Supports multiple regional frequency bands (US, EU, and Taiwan variants).

- Power Flexibility:
- Dual redundant DC power inputs (12–48 VDC) via 4‑pin terminal block.
- PoE P.D. (Powered Device) function on ETH1 port compliant with IEEE 802.3af standard.

- Industrial Design:
- Compact IP‑30 metal enclosure.
- Wide operating temperature range: ‑10°C to +60°C.
- Storage temperature: ‑40°C to +85°C.
- Vibration, shock, and free‑fall tested per IEC60068 and EN61373 standards.

- Network Protocol Support:
- ICMP, IP, TCP, UDP, DHCP, BOOTP, SSH, DNS, SNMP v1/v2c, HTTPS, SMTP, DDNS, PPPoE.

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

- Ease of Deployment:
- DIN‑rail and wall‑mount installation options.
- Web‑based configuration interface (compatible with Internet Explorer 6.0 or later).
- LED indicators for power, Ethernet, Wi‑Fi, WAN, and serial activity.

- Reliability and Safety:
- Overload, short‑circuit, and reverse polarity protection.
- Redundant power design ensures continuous operation.

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### 3. Technical Specifications

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

Power
- Input Voltage: Dual 12–48 VDC (redundant inputs)
- Connector Type: 4‑pin terminal block (V1+/V1‑, V2+/V2‑)
- PoE Input: IEEE 802.3af compliant (ETH1 port)
- Power Consumption: Typical 4.8 W (varies by model: 3–5.3 W)
- Protections: Overload, short circuit, reverse polarity

Environmental
- Operating Temperature: ‑10°C to +60°C (14°F to 140°F)
- Storage Temperature: ‑40°C to +85°C (‑40°F to 185°F)
- Humidity: 5%–95% non‑condensing

Cellular Interface
- SIM Slot: 1 × standard SIM card slot
- Antenna Connectors:
- 2 × SMA female (cellular main and auxiliary)
- 1 × RP‑SMA female (Wi‑Fi antenna)

Supported Cellular Standards and Bands:
- 3G/4G LTE (US Grade):
- LTE: 700(B17), 850(B5), 1700(B4), 1900(B2/B25) MHz
- CDMA/EVDO: 800/1900 MHz
- UMTS/HSPA+: 850/900/1700/1900/2100 MHz
- GSM/EDGE: 850/900/1800/1900 MHz

- 3G/4G LTE (EU Grade):
- LTE: 800(B20), 900(B8), 1800(B3), 2100(B1), 2600(B7) MHz
- UMTS/HSPA+: 800/850/900/1900/2100 MHz
- GSM/EDGE: 850/900/1800/1900 MHz

- 3G/4G LTE (TW Grade):
- LTE: 750(B28), 850(B5), 900(B8), 1800(B3), 2100(B1), 2600(B7) MHz
- UMTS/HSPA+: 850/900/1900/2100 MHz
- GSM/EDGE: 850/900/1800/1900 MHz

Wi‑Fi Interface
- Standards: 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 (Taiwan): 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

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/MDI‑X
- Connector: RJ‑45
- Cable Support:
- 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‑

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### 4. Functionality

The IMG‑4312‑3G functions as a cellular gateway and router, bridging wired Ethernet, serial, and wireless networks to cellular WAN connections. It enables remote data acquisition, monitoring, and control for industrial automation, transportation, and energy systems.

Operation Overview:
- The device connects to the Internet via its embedded 3G/4G modem using a SIM card.
- It can simultaneously transfer data to up to five host PCs for redundancy or backup.
- The integrated Wi‑Fi interface allows local wireless access or client connectivity.
- The serial port supports legacy equipment integration, enabling serial‑to‑IP communication.
- The router can be powered either through dual DC inputs or via PoE on the ETH1 port.

Typical Applications:
- Remote monitoring and telemetry (SCADA, PLCs, sensors).
- Industrial automation and control systems.
- Transportation and fleet management.
- Energy and utility infrastructure (smart grid, substations).
- Environmental monitoring and smart city deployments.

Compatibility:
- Compatible with standard Ethernet devices (PCs, switches, routers).
- Supports major cellular carriers depending on regional band configuration.
- Web‑based management accessible via standard browsers.

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### 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 × Quick Installation Guide (QIG)
- 1 × DIN‑rail mounting kit
- 2 × Wall‑mount brackets
- 1 × 4‑pin terminal block connector
- 2 × Dust covers

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

Connectors and Indicators:
- Front Panel:
- LEDs for Power 1, Power 2, PoE, ETH1, ETH2, Wi‑Fi, WAN, Serial TX/RX.
- Reset button.
- Wi‑Fi and cellular antenna connectors.
- Ethernet ports (ETH1 as LAN/PoE, ETH2 as WAN).
- DB9 serial port.
- Top Panel:
- SIM card slot.
- Dual power input terminals (PWR1, PWR2).
- Grounding screw.

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### 6. Installation & Setup

Mounting Options:
- DIN‑Rail Installation:
1. Attach the DIN‑rail kit to the back of the device using screws.
2. Slide the device onto the DIN‑rail until it clicks securely.

- Wall‑Mount Installation:
1. Attach wall‑mount plates to the top and bottom panels.
2. Mark screw positions using the device as a template.
3. Insert screws through the keyhole slots and tighten.

Power Connection:
1. Insert DC wires into the V+/V‑ terminals for PWR1 and PWR2.
2. Tighten the terminal screws to secure the wires.
3. Optionally, power via PoE on ETH1.

Grounding:
Connect the grounding screw to an appropriate earth ground to minimize EMI.

Network Configuration:
- Connect Ethernet cables to ETH1 (LAN) and ETH2 (WAN).
- Insert a SIM card into the slot.
- Connect antennas to the designated SMA/RP‑SMA connectors.
- Access the web interface via the default IP address using Internet Explorer 6.0 or later.

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

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### 7. Performance & Capabilities

- Wi‑Fi Throughput: Up to 150 Mbps (802.11n).
- Ethernet Speed: 10/100 Mbps full/half duplex.
- Serial Data Rate: Up to 115.2 Kbps.
- Cellular Data Rate: Dependent on network (3G/4G LTE).
- Power Efficiency: Typical consumption 4.8 W.
- Reliability: Dual power redundancy ensures continuous operation.
- Data Redundancy: Supports simultaneous data transfer to five host PCs.
- Limitations:
- Single SIM slot (no dual‑SIM failover).
- Wi‑Fi limited to 2.4 GHz band.
- No integrated GPS module.

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### 8. Standards & Compliance

Electrical and Safety:
- EN60950‑1 (Safety of Information Technology Equipment)

EMI/EMS Compliance:
- FCC Part 15 Class A
- CISPR (EN55022) Class A
- EN61000‑4‑2 (ESD)
- EN61000‑4‑3 (Radiated Susceptibility)
- EN61000‑4‑4 (EFT/Burst)
- EN61000‑4‑5 (Surge)
- EN61000‑4‑6 (Conducted Susceptibility)
- EN61000‑4‑8 (Magnetic Field)
- EN61000‑4‑11 (Voltage Dips/Interruptions)

Environmental and Mechanical:
- IEC60068‑2‑6 (Vibration)
- IEC60068‑2‑27 (Shock)
- IEC60068‑2‑31 (Free Fall)
- EN61373 (Railway Vibration/Shock Standard)

Ingress Protection:
- IP‑30 rated enclosure

PoE Compliance:
- IEEE 802.3af (Powered Device)

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### 9. Additional Information

Warranty: 5 years (standard ORing industrial warranty)
Maintenance:
- Periodic inspection of power and antenna connections recommended.
- Firmware updates available via ORing support portal.
- Replace antennas or cables if damaged to maintain signal integrity.

Technical Support:
- Manufacturer: ORing Industrial Networking Corp.
- Address: Taipei, Taiwan
- Telephone: +886‑2‑2218‑1066
- Fax: +886‑2‑2218‑1014
- Email: support@oring‑networking.com
- Website: [www.oring‑networking.com](http://www.oring-networking.com)

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

Firmware & Updates:
- Web‑based firmware upgrade supported.
- Configuration backup and restore functions available.

Lifecycle & Reliability:
- Designed for continuous 24/7 industrial operation.
- Mean Time Between Failures (MTBF) optimized through redundant power and robust design.

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### Summary

The ORing IMG‑4312‑3G is a compact, industrial‑grade cellular router engineered for reliable M2M and IoT connectivity in harsh environments. Combining 3G/4G LTE cellular communication, dual Ethernet ports, a configurable serial interface, and Wi‑Fi connectivity, it serves as a versatile gateway between field devices and remote management systems. Its redundant power design, PoE capability, and comprehensive protocol support make it ideal for industrial automation, transportation, and remote monitoring applications.

With compliance to international EMI/EMS and safety standards, a wide operating temperature range, and a 5‑year warranty, the IMG‑4312‑3G delivers dependable performance and long‑term operational stability in demanding industrial networks.