Description
1. Unboxing & Physical Snapshot
- Model & Brand: Hirschmann (A Belden Brand) — Managed Industrial Ethernet Switch — Part Number: RS20-0800M4M4SDAE (Manufacturer Order Number: 943434017)
- Physical Dimensions: Compact industrial DIN-rail mountable robust metal housing profile (Approx. 73 mm W × 110 mm H × 79 mm D; Net weight: ~0.40 kg / 0.88 lbs)
- Estimated Shipping Weight: Approximately 0.80 kg net (Packaged securely in multi-layer anti-static shielding containment, dense custom protective foam, and heavy corrugated export carton)
- What’s in the Box: Hirschmann RS20 managed switch unit, pluggable terminal blocks for redundant power supply, installation guide, and manufacturer compliance/conformance documentation.
2. Product Introduction
Structure B (Architecture hook): Engineered for mission-critical industrial automation, factory floor control networks, and harsh utility environments, the Hirschmann RS20-0800M4M4SDAE functions as a high-reliability managed Industrial Ethernet switch. Providing a secure combination of copper and fiber-optic connectivity, this unit delivers deterministic data transmission, advanced ring redundancy protocols, and robust network management features to maintain continuous uptime across complex industrial control architectures.
Housed in a ruggedized, fanless metal enclosure built to withstand severe electromagnetic interference (EMI), high vibration, and broad thermal fluctuations, the switch features 6 standard 10/100BASE-TX RJ45 ports and 2 multimode 100BASE-FX fiber ports with ST connectors, ensuring secure, long-distance communication immune to electrical noise.
3. Core Technical Specifications
| Parameter | Value |
| Component Type | Managed Industrial Ethernet Switch (Layer 2 Enhanced) |
| Product Family | Hirschmann RS20 Fast Ethernet Series |
| Part Number Designation | RS20-0800M4M4SDAE (Order No: 943434017) |
| Total Port Density | 8 Ports Total |
| Copper Ports | 6 x 10/100BASE-TX, RJ45 interface |
| Fiber Uplink Ports | 2 x 100BASE-FX, Multimode, ST connector type |
| Power Supply Requirements | 9.6 to 60 VDC / 18 to 30 VAC (Redundant dual power inputs) |
| Management & Software | Layer 2 Enhanced software features (SNMP, HiOS/Classic web interface, RMON) |
| Mounting Format | 35 mm DIN Rail (Standard EN 60715) |
| Operating Temperature Range | 0°C to +60°C continuous industrial threshold |
| Storage Temperature Range | -40°C to +85°C |
| Enclosure Protection Class | IP20 robust metal housing profile |
| Physical Net Weight | Approximately 0.40 kg (0.88 lbs) |
4. Global Compliance & Industry Certifications
Type-test verification and rigorous electromagnetic compatibility (EMC) standards compliance are mandatory for networking hardware deployed within industrial automation infrastructures.
- Expected Certifications: CE Mark, FCC, cULus Listed (UL 508) for industrial control equipment, and RoHS material compliance declarations.
- Safety Relevance: Redundant power supply inputs with built-in failure relay contacts, galvanic isolation on data lines, and secure password-protected management frameworks protect control network stability against power faults and cyber-intrusion.
- Audit Note: Verify that firmware baseline versions and network configuration files align cleanly with your plant IT/OT security framework prior to active network integration.
5. Long-Term Storage & Asset Preservation Guide
Veteran Maintenance Note: Storing active industrial electronic switches in unconditioned warehouses requires strict electrostatic discharge (ESD) protection and dry atmospheric control to prevent internal board component degradation.
- ESD Protection: Keep the switch permanently sealed inside its original anti-static shielding bag to safeguard sensitive internal microprocessors and transceiver circuits from static strikes.
- Climate Baseline: Store the unit in a clean, dry location maintaining relative humidity strictly below 50% non-condensing, and ambient storage temperatures between -20°C and +40°C.
- Physical Preservation: Store units flat or vertically slotted in designated anti-static shelving trays; never stack heavy inventory directly on top of the switch enclosure to avoid damaging front port interfaces or housing frames.
6. Physical Installation Prerequisites
- Ensure that cabinet power distribution feeds are completely locked out (LOTO) and verified dead with a calibrated meter before mounting or wiring the switch.
- Snap the switch securely onto the standard 35 mm DIN rail, ensuring firm metal-to-metal contact for optimal chassis ground and EMC shielding continuity.
- Terminate dual DC power sources into the pluggable terminal blocks with correct polarity and connect optical fiber jumpers carefully, ensuring clean ST ferrule end-faces to prevent attenuation loss.
7. Buyer’s FAQ (Logistics & Compliance Focus)
- What Harmonized System (HS) code governs international customs clearance?The standard global export classification for this industrial network switch is 8517.62.0050 (Machines for the reception, conversion and transmission or regeneration of voice, images or other data, including switching and routing apparatus).
- How does Country of Origin (COO) verification impact automation spares auditing?Accurate origin tagging on commercial shipping documents ensures compliance with international trade frameworks and regional plant import regulations (typically European or North American manufacturing origin).
- Does this managed switch require configuration before replacement?Yes, for seamless plug-and-play replacement, engineers should upload the pre-configured system backup file or use an Industrial HiVision / web interface configuration tool to match the previous unit’s IP address and VLAN settings.
- What level of transit insurance should be specified?Always mandate fully declared-value, tracked air cargo insurance to protect delicate internal electronic components and optical transceivers against drop impacts during international shipment.




