Comprehensive Product Summary – ORing RES‑1242P Industrial Rack‑Mount Ethernet Switch

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### 1. Product Overview

Product Name: RES‑1242P
Model: RES‑1242P
Series: RES Industrial Rack‑Mount Switch Series
Article Number: RES‑1242P
Manufacturer: ORing Industrial Networking Corp.
Product Type: Industrial 26‑port unmanaged Ethernet switch
Form Factor: 19‑inch rack‑mountable, IP‑30 rated metal enclosure

The ORing RES‑1242P is a rugged, industrial‑grade unmanaged Ethernet switch designed for high‑reliability networking in harsh environments. It provides 24 Fast Ethernet copper ports (10/100Base‑T(X)) and 2 Fast Ethernet fiber ports (100Base‑FX via SFP sockets), offering a total of 26 ports in a compact 1U rack‑mount chassis. With a wide operating temperature range of ‑40°C to +70°C, AC power input, and robust mechanical design, the RES‑1242P is engineered for industrial automation, transportation, and mission‑critical communication systems requiring stable, long‑term operation.

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### 2. Key Features

- 26‑Port Configuration:
24 × 10/100Base‑T(X) RJ‑45 ports with auto‑negotiation and auto‑MDI/MDI‑X support, plus 2 × 100Base‑FX SFP slots for fiber connectivity.

- Industrial‑Grade Design:
IP‑30 rated metal housing ensures mechanical durability and protection against dust and electromagnetic interference.

- Wide Temperature Range:
Operates reliably from ‑40°C to +70°C (storage up to +85°C), suitable for outdoor cabinets, factory floors, and transportation systems.

- AC Power Input:
Universal 100–240 VAC input with overload current protection; typical power consumption 15–25 W.

- Rack‑Mountable Form Factor:
Standard 19‑inch rack‑mount design (1U height) with included mounting brackets and screws.

- Plug‑and‑Play Operation:
Unmanaged switch architecture requires no configuration; supports store‑and‑forward switching and IEEE 802.3x flow control.

- High Reliability:
Mean Time Between Failures (MTBF) of 510,613 hours and a 5‑year manufacturer warranty.

- LED Indicators:
Comprehensive front‑panel LEDs for power, link/activity, and speed status on all ports.

- Regulatory Compliance:
Meets FCC Part 15, EN55022 Class B, EN61000‑4‑2/3/4/5/6/8/11, and EN60950‑1 safety standards.

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### 3. Technical Specifications

Physical Ports:
- 24 × 10/100Base‑T(X) RJ‑45 ports (auto‑MDI/MDI‑X)
- 2 × 100Base‑FX SFP ports (hot‑swappable SFP sockets)

Ethernet Standards:
- IEEE 802.3 (10Base‑T)
- IEEE 802.3u (100Base‑TX, 100Base‑FX)
- IEEE 802.3x (Flow Control)

Switching Technology:
- Store‑and‑Forward architecture
- MAC address table: 4,096 entries

Performance:
- Switching capacity: 5.2 Gbps (theoretical aggregate)
- Packet forwarding rate: 3.84 Mpps (for 64‑byte packets)
- Latency: < 10 µs (typical, 100 Mbps full‑duplex)

Power:
- Input voltage: 100 – 240 VAC, 50/60 Hz
- Power connector: Standard AC socket
- Power consumption: 15.4 W typical, 25 W maximum
- Overload current protection: Integrated

Mechanical:
- Enclosure: IP‑30 rated metal housing
- Dimensions (W × D × H): 440 × 200 × 44 mm (17.32 × 7.87 × 1.73 in)
- Weight: 2,450 g (approx. 5.4 lb)
- Mounting: 19‑inch rack‑mount (1U)

Environmental:
- Operating temperature: ‑40 °C to +70 °C (‑40 °F to +158 °F)
- Storage temperature: ‑40 °C to +85 °C (‑40 °F to +185 °F)
- Operating humidity: 5 % – 95 % RH, non‑condensing

Reliability:
- MTBF: 510,613 hours
- Warranty: 5 years

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### 4. Functionality

Operational Overview:
The RES‑1242P functions as an unmanaged Layer 2 Ethernet switch, automatically learning MAC addresses and forwarding packets using store‑and‑forward logic. It supports full‑duplex and half‑duplex operation with IEEE 802.3x flow control to prevent packet loss under heavy traffic conditions.

Use Cases:
- Industrial automation and control networks
- IP surveillance systems (IP cameras, NVRs)
- Intelligent transportation systems (ITS)
- Building management and access control
- Factory floor or substation Ethernet backbones
- Edge aggregation for SCADA or PLC networks

Compatibility:
- Compatible with standard Ethernet devices (PCs, PLCs, routers, other switches)
- Supports CAT 3/4/5/5e UTP cables for copper connections up to 100 m (328 ft)
- Supports 100 Mbps SFP optical transceivers (SFP100 series) for fiber links

Transmission Media:
- 10Base‑T: CAT 3, 4, 5 UTP (100 m max)
- 100Base‑TX: CAT 5 UTP (100 m max)
- 100Base‑FX: Multimode or single‑mode fiber via SFP modules

LED Indicators:
- Power (PWR): Green – On when powered
- RJ‑45 Ports:
- Link/Activity – Green On/Blinking for link/data activity
- Speed – Amber On for 100 Mbps, Off for 10 Mbps
- SFP Ports:
- Link/Activity – Green On/Blinking for fiber link/data

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### 5. Components & Accessories

Included in Package:
- 1 × RES‑1242P switch unit
- 1 × Rack‑mount kit (left & right brackets, screws × 8)
- 1 × AC power cord (region‑specific: US, UK, EU, JP)
- 1 × Quick Installation Guide (printed)

Optional Accessories:
- SFP100 series – 100 Mbps SFP optical transceivers (multimode or single‑mode)
- Additional rack‑mount hardware if required

Ordering Variants:
- RES‑1242P_US: with US power cord
- RES‑1242P_UK: with UK power cord
- RES‑1242P_EU: with EU power cord
- RES‑1242P_JP: with Japan power cord

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### 6. Installation & Setup

Pre‑Installation Requirements:
- Ensure adequate rack space (1U height, 19‑inch width).
- Verify ambient temperature does not exceed +70 °C.
- Confirm AC power source (100–240 VAC, 50/60 Hz).
- Prepare grounding connection to minimize EMI.

Rack‑Mounting Procedure:
1. Attach the supplied rack‑mount brackets to both sides of the switch using the included M3 × 4 screws.
2. Align the brackets with the rack posts and secure using standard rack screws.
3. Ensure even mechanical loading to prevent rack distortion.
4. Maintain sufficient airflow around the unit for cooling.

Power Connection:
- Connect the AC power cord to the rear AC socket.
- Verify the power LED (PWR) illuminates green.
- The switch automatically initializes and begins forwarding traffic.

Grounding:
- Connect the ground screw on the chassis to a proper earth ground before powering on.

Network Cabling:
- Use CAT 5 UTP cables for 100Base‑TX connections (max 100 m).
- For fiber connections, insert compatible SFP transceivers and connect TX ↔ RX between devices.

Safety Considerations:
- Avoid blocking ventilation openings.
- Do not overload AC circuits.
- Ensure installation complies with local electrical codes.

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### 7. Performance & Capabilities

Switching Performance:
The RES‑1242P delivers reliable Fast Ethernet switching with minimal latency and high throughput suitable for deterministic industrial communication. Its store‑and‑forward mechanism ensures error‑free packet delivery by checking CRC integrity before forwarding.

Capacity:
- 26 ports total (24 copper + 2 fiber)
- 4,096 MAC address entries
- Full‑duplex bandwidth per port: 200 Mbps
- Aggregate switching bandwidth: 5.2 Gbps

Efficiency:
- IEEE 802.3x flow control prevents packet loss under congestion.
- Auto‑negotiation optimizes link speed and duplex mode automatically.
- Auto‑MDI/MDI‑X eliminates the need for crossover cables.

Environmental Robustness:
- Operates in extreme temperatures (‑40 °C to +70 °C).
- Resistant to vibration, shock, and free‑fall per IEC 60068‑2‑6/27/32.
- IP‑30 enclosure protects internal electronics from dust and mechanical stress.

Limitations:
- Unmanaged design – no VLAN, QoS, or SNMP management.
- 100 Mbps maximum per port (no Gigabit support).
- Designed for fixed industrial installations rather than high‑bandwidth enterprise backbones.

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### 8. Standards & Compliance

Ethernet Standards:
- IEEE 802.3 (10Base‑T)
- IEEE 802.3u (100Base‑TX/FX)
- IEEE 802.3x (Flow Control)

EMI/EMC Compliance:
- FCC Part 15 Class B
- CISPR 22 (EN55022) Class B

Electromagnetic Susceptibility (EMS):
- EN61000‑4‑2 (ESD)
- EN61000‑4‑3 (Radiated Susceptibility)
- EN61000‑4‑4 (Electrical Fast Transient)
- EN61000‑4‑5 (Surge Immunity)
- EN61000‑4‑6 (Conducted Susceptibility)
- EN61000‑4‑8 (Power Frequency Magnetic Field)
- EN61000‑4‑11 (Voltage Dips and Interruptions)

Environmental & Mechanical Tests:
- Shock: IEC 60068‑2‑27
- Vibration: IEC 60068‑2‑6
- Free Fall: IEC 60068‑2‑32

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

Ingress Protection:
- IP‑30 (dust‑resistant, non‑sealed industrial enclosure)

Quality & Reliability:
- MTBF: 510,613 hours (calculated)
- Designed and tested for continuous 24/7 operation

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### 9. Additional Information

Warranty & Support:
- Standard 5‑year limited hardware warranty from ORing Industrial Networking Corp.
- Technical support available via email (support@oring-networking.com) and phone (+886‑2‑2218‑1066).
- Product documentation, firmware updates, and accessories available at [www.oring-networking.com](https://www.oring-networking.com).

Maintenance:
- No internal user‑serviceable parts.
- Periodically inspect and clean ventilation openings.
- Ensure secure grounding and cable connections.
- Replace SFP modules only with compatible ORing SFP100 series transceivers.

Product Lifecycle & Updates:
- Version 1.0 hardware and documentation.
- Subject to continuous improvement; specifications may change without notice.

Manufacturer Contact:
ORing Industrial Networking Corp.
No. 3, Lane 879, Zhongzheng Rd., Zhonghe Dist., New Taipei City 235, Taiwan
Tel: +886‑2‑2218‑1066 Fax: +886‑2‑2218‑1014
Email: support@oring-networking.com

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### Summary

The ORing RES‑1242P is a robust, unmanaged industrial Ethernet switch engineered for dependable network connectivity in demanding environments. Its 24 Fast Ethernet copper ports and 2 fiber SFP slots provide flexible deployment options for both short‑range and long‑distance communication. The device’s IP‑30 metal enclosure, extended temperature tolerance, and compliance with rigorous EMC and safety standards make it ideal for mission‑critical industrial applications. With plug‑and‑play simplicity, AC power input, and a 5‑year warranty, the RES‑1242P delivers long‑term reliability and ease of integration into industrial control systems, transportation networks, and automation infrastructures.