Comprehensive Product Summary – ORing IAR‑142‑4G Industrial Cellular Router

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### 1. Product Overview

Product Name: IAR‑142‑4G
Model: IAR‑142‑4G (also available as IAR‑142+‑4G with PoE P.D. support)
Series: IAR‑142/142+‑4G Industrial Cellular Router Series
Article Number: IAR‑142‑4G
Manufacturer: ORing Industrial Networking Corp.
Manufacturer Website: [www.oring-networking.com](http://www.oring-networking.com)
Contact:
- Headquarters: 3F., No.542‑2, Jhongjheng Rd., Sindian District, New Taipei City 231, Taiwan, R.O.C.
- Tel: +886‑2‑2218‑1066 Fax: +886‑2‑2218‑1014
- Email: support@oring-networking.com / sales@oring-networking.com

The ORing IAR‑142‑4G is an industrial‑grade IEEE 802.11 b/g/n wireless VPN router integrating dual 10/100Base‑T(X) Ethernet ports and a built‑in 4G LTE cellular modem. Designed for demanding industrial and remote networking applications, it provides reliable wireless and wired connectivity with advanced routing, VPN, and security features. The IAR‑142+‑4G variant adds IEEE 802.3af PoE P.D. capability on the LAN port for flexible power options.

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### 2. Key Features

- Integrated 4G LTE Cellular Router: Supports LTE, 3.5G, 3G, and GPRS dial‑up via internal modem with one SIM card slot.
- Dual Ethernet Ports: Two 10/100Base‑T(X) RJ‑45 ports (ETH1 for LAN, ETH2 for WAN) with auto‑negotiation and auto‑MDI/MDI‑X.
- Wireless LAN: IEEE 802.11 b/g/n compliant WLAN interface supporting up to 150 Mbps link speed.
- Multiple WAN Modes: Dynamic/Static IP, PPPoE, and Modem Dial‑up (GPRS/3G/4G).
- Security: WEP/WPA/WPA2 (TKIP/AES), WPA‑PSK, WPA2‑PSK, 802.1X authentication, MAC filtering, IP filtering, and firewall rules.
- VPN Support: Integrated OpenVPN server/client for secure site‑to‑site or remote access tunnels.
- Advanced Routing: Static and dynamic routing (RIPv1/v2), NAT, DMZ, port forwarding, and UPnP/NAT‑PMP.
- Management: Web‑based GUI (HTTP/HTTPS), SNMP, Syslog, e‑mail/SMS alerts, and remote management.
- Redundant Power Inputs: Dual 12–48 V DC inputs on 4‑pin terminal block with reverse polarity and overload protection.
- Industrial Design: IP‑30 metal enclosure, DIN‑rail or wall‑mount installation, wide temperature range (‑10 °C to 60 °C).
- Event Notification: Syslog, SNMP trap, e‑mail, and SMS alerts for system events or failures.
- PoE P.D. (IAR‑142+‑4G only): IEEE 802.3af compliant powered device port with 1 kV isolation.

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### 3. Technical Specifications

Physical Ports
- 2 × 10/100Base‑T(X) RJ‑45 ports (Auto MDI/MDI‑X)
- PoE P.D. port (IAR‑142+‑4G only, IEEE 802.3af compliant)
- 1 × SIM card slot

Cellular Interface
- Antenna Connectors: 2 × SMA female
- Standards: GSM/GPRS/EDGE/WCDMA/HSDPA/HSUPA/LTE
- Frequency Bands:
- *US Grade:* LTE 1900(B2)/1700(B4)/850(B5)/700(B13,B17)/1900(B25); CDMA 800/1900; UMTS 850/900/1700/1900/2100 MHz
- *EU Grade:* LTE 2100(B1)/1800(B3)/2600(B7)/900(B8)/800(B20); UMTS 800/850/900/1900/2100 MHz; GSM 850/900/1800/1900 MHz

WLAN Interface
- Connector: 1 × Reverse SMA female
- Standards: IEEE 802.11 b/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 (EU): 2.412–2.472 GHz (13 channels)
- Data Rates:
- 802.11b – 1/2/5.5/11 Mbps
- 802.11g – 6–54 Mbps
- 802.11n (40 MHz) – up to 150 Mbps
- Transmit Power: 13.5 dBm ± 1.5 dBm (all modes)
- Receiver Sensitivity: 802.11b – ‑90 dBm @ 1 Mbps; 802.11g – ‑72 dBm @ 54 Mbps; 802.11n – ‑68 dBm @ MCS7 40 MHz
- Encryption: WEP (64/128‑bit), WPA/WPA2, WPA‑PSK (256‑bit), TKIP/AES, 802.1X authentication
- Wireless Security: SSID broadcast disable

Power
- Dual DC inputs 12–48 V DC on 4‑pin terminal block
- Power consumption: 3 W typical
- Overload and reverse polarity protection present

Mechanical & Environmental
- Enclosure: IP‑30 metal housing
- Dimensions: 45 (W) × 80.6 (D) × 95 (H) mm
- Weight: ≈ 360 g (IAR‑142‑4G), 365 g (IAR‑142+‑4G)
- 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 % to 95 % non‑condensing

LED Indicators
- PWR1/PWR2/PoE (Green) – Power status
- ETH1/ETH2 (Green) – Link/Activity 100 Mbps
- WLAN (Green) – Wireless link/activity
- WAN (Green) – Modem ready

Regulatory Approvals
- EMI: FCC Part 15, CISPR (EN55022) Class A
- EMS: EN61000‑4‑2/3/4/5/6/8/11
- Shock: IEC60068‑2‑27
- Vibration: IEC60068‑2‑6
- Free Fall: IEC60068‑2‑31
- Safety: EN60950‑1

Warranty: 3 years

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### 4. Functionality

The IAR‑142‑4G functions as a compact industrial router bridging wired Ethernet, WLAN, and cellular networks. It supports three primary routing modes:

1. Dynamic/Static IP Routing: Standard Ethernet WAN connection with DHCP or manual IP configuration.
2. PPPoE Authentication: For DSL or broadband connections requiring username/password.
3. Modem Dial‑Up: Utilizes the internal 4G LTE/3G modem for cellular connectivity via SIM card.

Use Cases & Applications:
- Remote monitoring and control in industrial automation, transportation, and energy sectors.
- Wireless backup connectivity for critical infrastructure.
- Mobile or temporary network deployments.
- Secure VPN access for remote sites or field devices.

Compatibility:
- Works with standard Ethernet devices (PCs, switches, PLCs).
- Supports 802.11 b/g/n clients.
- Compatible with major cellular carriers (frequency‑dependent).

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### 5. Components & Accessories

Included Items:
- IAR‑142‑4G or IAR‑142+‑4G unit
- 2 × LTE antennas (SMA)
- 1 × Wi‑Fi antenna (reverse SMA)
- DIN‑rail mount kit
- Wall‑mount kit (2 pieces)
- 4‑pin terminal block for power input
- Dust covers (2 pcs)
- Quick Installation Guide and CD

Optional Accessories:
- External RF cables and high‑gain antennas
- PoE switch (for IAR‑142+‑4G powering)
- ORing Open‑Vision management software

Connectors:
- 2 × RJ‑45 Ethernet ports
- 1 × SIM card slot (top panel)
- 1 × 4‑pin terminal block for dual DC inputs
- 1 × reverse SMA (Wi‑Fi) + 2 × SMA (cellular)

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### 6. Installation & Setup

Mounting Options:
- DIN‑Rail: Attach the included kit to the rear panel and slide onto a standard DIN rail until it clicks securely.
- Wall Mount: Use the two mount plates and six screws to secure the unit to a flat surface.

Power Connection:
- Connect 12–48 V DC to V+ and V– terminals on the 4‑pin block for PWR1 and PWR2.
- The IAR‑142+‑4G can alternatively be powered via PoE on ETH1.

Grounding:
- Connect the ground screw to a proper earth ground to reduce EMI.

Network Cabling:
- Use Cat 5/5e/6 UTP cables (up to 100 m).
- Auto MDI/MDI‑X eliminates the need for crossover cables.

Initial Configuration:
1. Power on the router and connect a PC to ETH1 (LAN).
2. Access the web interface via `http://192.168.10.1` (default IP).
3. Login with default credentials (admin/admin).
4. Configure WAN, LAN, and wireless settings as required.
5. Change the default password for security.

Reset to Factory Defaults: Press and hold the Reset button until the PWR LED flashes; release to reboot with factory settings.

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### 7. Performance & Capabilities

- Wireless Throughput: Up to 150 Mbps (802.11n 40 MHz)
- Ethernet Speed: 10/100 Mbps auto‑negotiation
- Cellular Data Rates: Dependent on LTE/3G network (typical up to 100 Mbps DL / 50 Mbps UL on LTE)
- Routing Performance: Enhanced LAN‑to‑WAN throughput via HNAT support
- Power Efficiency: 3 W typical consumption with redundant inputs
- Reliability: Dual power inputs ensure continuous operation in case of supply failure
- Environmental Tolerance: Operates in ‑10 °C to 60 °C industrial conditions
- Limitations: Single SIM slot (no dual‑SIM redundancy); limited to 2.4 GHz WLAN band

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### 8. Standards & Compliance

Wireless Standards: IEEE 802.11 b/g/n
Ethernet Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3af (PoE P.D.)
Cellular Standards: GSM, GPRS, EDGE, WCDMA, HSPA, LTE

Regulatory Compliance:
- FCC Part 15 (Class A) – EMI compliance
- Industry Canada ICES‑003 (Class B)
- EN55022 (Class A) – EMC emission
- EN61000‑4‑2/3/4/5/6/8/11 – EMS immunity
- EN60950‑1 – Safety standard
- IEC60068‑2‑27/‑2‑6/‑2‑31 – Shock, vibration, and free‑fall tests

RF Exposure Compliance:
- Meets FCC and IC RF exposure limits for uncontrolled environments.
- Minimum 20 cm separation required between antenna and personnel.
- Antennas must not be co‑located with other transmitters.

Environmental Protection: RoHS compliant; IP‑30 enclosure for industrial use.

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### 9. Additional Information

Warranty: 3 years limited hardware warranty against defects in materials and workmanship.

Support & Maintenance:
- Firmware updates available via ORing website.
- Technical support through email and authorized distributors.
- Configuration backup and restore supported via web interface or TFTP.

Firmware Upgrade:
- Performed through web GUI; ensure model‑specific firmware is used.
- Do not power off during upgrade to avoid corruption.

Event Monitoring & Logging:
- Syslog server integration (local or remote).
- SNMP trap notifications to up to four servers.
- E‑mail and SMS alerts for critical events.

Management Protocols:
- HTTP/HTTPS web interface
- SNMP v1/v2c agent
- Remote management via specific port and IP filtering
- NTP time synchronization for accurate logging

Maintenance Recommendations:
- Periodically check antenna connections and signal strength.
- Keep firmware updated for security patches.
- Ensure adequate ventilation and avoid excessive dust or moisture.

Software Features Summary:
- DHCP server/client and relay
- DDNS support
- NAT (virtual server, port trigger, DMZ, UPnP)
- Firewall (IP/MAC filter, custom rules)
- VPN (OpenVPN server/client)
- Event warning via Syslog/e‑mail/SNMP/SMS
- System tools for login management, firmware upgrade, backup/restore, and remote reboot

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### Summary

The ORing IAR‑142‑4G is a compact, rugged, and feature‑rich industrial cellular router engineered for mission‑critical networking in harsh environments. Combining dual Ethernet ports, 802.11 b/g/n wireless LAN, and 4G LTE cellular connectivity, it provides redundant and secure communication paths for industrial automation, transportation, and remote monitoring applications. Its robust metal IP‑30 enclosure, wide temperature tolerance, redundant power inputs, and comprehensive security and management features make it a reliable solution for industrial IoT and M2M deployments. The IAR‑142+‑4G variant adds PoE P.D. support for simplified power integration in networked environments.