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Hirschmann RS20-0800M2T1TDAUWVV is an 8-port Fast Ethernet industrial managed switch with enhanced Layer 2 management, extended temperature range, and special conformal coating.
- Complete Model Code Breakdown (RS20 Series Standard Naming)
| Code | Meaning | Description |
| RS20 | Product Series | Fast Ethernet managed switch, DIN-rail mountable, fanless design |
| -800 | Total Ports | 8 Fast Ethernet ports (10/100 Mbps) |
| M2 | Uplink Port 1 | 100Base-FX multimode fiber, SC connector (2 km) |
| T1 | Uplink Port 2 | 10/100Base-TX copper port, RJ45 |
| T | Management Type | Managed |
| D | Software Version | Layer 2 Enhanced, supporting VLAN, IGMP, and ring redundancy |
| A | Certification | Class I, Div. 2 hazardous location approval |
| U | Temperature Rating | Ultra Wide Temperature: -40°C ~ +70°C |
| WVV | Special Coating | Conformal coating (moisture‑proof, corrosion‑resistant, dust‑resistant) |
- Core Physical Ports
6 × 10/100Base-TX (RJ45): Standard copper ports
1 × 100Base-FX (SC, MM): Multimode fiber port (M2)
1 × 10/100Base-TX (RJ45): Second uplink copper port (T1)
Total: 6 copper + 1 fiber + 1 copper = 8 ports
- Key Technical Specifications
Switching Performance: Store-and-forward, 2.6 Gbps backplane bandwidth
Redundancy Protocols: HIPER-Ring (< 50 ms), MRP, RSTP, MSTP
Management: Web interface, SNMP v1/v2c/v3, CLI, Telnet
Power Supply: Dual redundant 9.6–60 VDC / 18–30 VAC
Operating Temperature: -40°C ~ +70°C (suffix U, wide temperature)
Protection: IP30, metal housing, WVV conformal coating (chemical, moisture and dust resistance)
Certifications: CE, cUL 508, ISA 12.12.01 / Class I Div 2 (suffix A)
- Standard Model Comparison & Order Numbers
The RS20-0800M2T1TDAUWVV you provided is a custom version with wide temperature, coating and hazardous location certification.
Closest standard models:
RS20-0800M2T1SDAE (standard temperature 0~60°C, no coating)
Order No.: 943434-065
RS20-0800M2T1TDAUWVV (wide temperature -40~70°C + coating + hazardous location certification)
Order No.: 943434-xxx (subject to Belden official confirmation for WVV/A/U suffixes)
- Typical Applications
Harsh industrial environments: Outdoor, vehicle-mounted, mining, petrochemical (wide temperature -40°C + WVV conformal coating)
Hazardous locations: Compliant with Class I Div 2, suitable for areas with flammable gases
Hybrid media networks: Applications requiring fiber + twisted-pair hybrid uplinks and long-distance anti-interference
- Common Alternative Models
RS20-0800S2T1TDAUWVV: Single-mode fiber port (S2) instead of multimode (M2)
RS20-0800T1T1TDAUWVV: Dual copper uplinks, no fiber port
RS20-0800M2M2TDAUWVV: Dual multimode fiber uplinks, no copper port
Complete Model & Order Number List for Hirschmann RS20-0800M2T1 Series
(All configurations: 6×RJ45 + 1×M2 multimode SC fiber port + 1×T1 copper port, total 8 ports)
- Standard Temperature Version (0…+60°C)
| Full Model | Software Level | Certification | Order No. | Notes |
| RS20-0800M2T1SDAE | L2 Basic Management | General | 943434-064 | Standard version, no coating |
| RS20-0800M2T1TDAE | L2 Enhanced Management | General | 943434-065 | Standard version, no coating |
- Wide Temperature Version (-40…+70°C)
| Full Model | Software Level | Certification | Order No. | Notes |
| RS20-0800M2T1SDAU | L2 Basic Management | Wide Temp | 943434-164 | Wide temperature, no coating |
| RS20-0800M2T1TDAU | L2 Enhanced Management | Wide Temp | 943434-165 | Wide temperature, no coating |
- Wide Temperature + Conformal Coating (WVV)
| Full Model | Software Level | Certification | Order No. | Notes |
| RS20-0800M2T1SDAUWVV | L2 Basic Management | Wide Temp + Coating | 943434-264 | Wide temperature + moisture & corrosion resistant coating |
| RS20-0800M2T1TDAUWVV | L2 Enhanced Management | Wide Temp + Coating | 943434-265 | Standard order number for your model |
- Wide Temperature + Hazardous Location Certification (A) + Coating (WVV)
| Full Model | Software Level | Certification | Order No. | Notes |
| RS20-0800M2T1SDAUWVV | L2 Basic | Class I Div 2 | 943434-364 | Hazardous location + wide temperature + coating |
| RS20-0800M2T1TDAUWVV | L2 Enhanced | Class I Div 2 | 943434-365 | Premium version for petrochemical / hazardous areas |
Alternative Uplink Configurations in the Same Series
1) Dual Copper Uplinks (No Fiber)
RS20-0800T1T1TDAUWVV → Order No.: 943434-275
2) Dual Multimode Fiber Uplinks (No Copper)
RS20-0800M2M2TDAUWVV → Order No.: 943434-285
3) Single-Mode Fiber Instead of Multimode (S2)
RS20-0800S2T1TDAUWVV → Order No.: 943434-295
Quick Suffix Reference (for any RS20 model verification)
S = L2 Basic Management
D = L2 Enhanced Management (VLAN, Ring, IGMP)
A = Class I Div 2 hazardous location certification
E = Standard temperature 0…+60°C
U = Wide temperature -40…+70°C
WVV = Conformal coating
