Hirschmann – RS20‑0800M2M2SDAEHH04.2.02 – Managed DIN‑Rail Industrial Ethernet

Main Features

• Manufacturer: Hirschmann (Belden) – RS20 compact OpenRail family  

• Model/MPN: RS20‑0800M2M2SDAEHH04.2.02 (internal code 943 434‑003)  

• Switch Type: Fully managed Layer 2 Fast Ethernet device, fanless, store‑and‑forward architecture  

• Port Configuration:

  • 6 × 10/100 Mbps RJ45 copper ports

  • 2 × 100 Mbps multimode fiber ports (SC)  

  • Additional USB and V.24 console port for local management

• Power Supply: Wide-range input: 9.6–60 V DC or 18–30 V AC  

• Redundancy & Management:

  • Supports Hirschmann HIPER Ring, MRP, RSTP, MSTP, link aggregation

  • Security features: IEEE 802.1X, MAC/IP port security, SNMP v3, SSH v2  

  • Management via web GUI, CLI, SNMP, HiVision  

• Certifications & Ratings:

  • Operating temp: 0–60 °C (some variants –25 to +70 °C)

  • Approvals: CE, cUL 508, ISA 12.12.01 (Class 1 Div. 2), FCC

  • IP20 protection with rugged metal housing  

• Form Factor: Compact DIN‑rail mount; 74 mm wide × 111 mm deep × ~131 mm high; fanless, low‑noise operation

• Obsolescence & Replacement: Marked obsolete, upgraded by Belden BRS20 series; still found in surplus markets