1. Introduktion
This manual provides essential information for the installation, operation, and maintenance of the Hirschmann RS20-0800T1T1SDAUHH Ethernet Rail Switch. This unmanaged Fast Ethernet switch is designed for industrial applications, offering reliable network connectivity with 8 ports and DIN rail mounting capabilities. Please read this manual thoroughly before operating the device.

Figur 1: Hirschmann RS20-0800T1T1SDAUHH Ethernet Rail Switch in its original packaging. The packaging indicates the model number and brand for verification.
2. Opsætning og installation
Follow these steps for proper installation of your Hirschmann RS20-0800T1T1SDAUHH switch.
2.1 Udpakning
- Tag forsigtigt kontakten ud af emballagen.
- Verify that all components are present and undamaged. The package should contain the switch and any included hardware.
2.2 Montering
The RS20-0800T1T1SDAUHH is designed for DIN rail mounting.
- Attach the switch securely to a standard DIN rail in an industrial enclosure.
- Sørg for tilstrækkelig ventilation omkring enheden for at forhindre overophedning.
2.3 Strømtilslutning
Tilslut strømforsyningen til kontakten.
- The switch operates on 24V AC or 24-48V DC.
- Sørg for, at strømkilden matcher den angivne lydstyrketage rækkevidde.
- Connect the power cables to the designated power input terminals on the switch.
2.4 Netværksforbindelser
Connect Ethernet devices to the switch ports.
- The switch features 8 Fast Ethernet ports.
- Use standard Ethernet cables (e.g., Cat5e or Cat6) to connect your network devices (e.g., PLCs, industrial PCs, sensors) to any of the 8 ports.
- The switch automatically detects link speed and duplex mode.

Figur 2: The Hirschmann RS20-0800T1T1SDAUHH switch, illustrating the 8 Ethernet ports and the power input terminal block for connection.
3. Betjeningsvejledning
The Hirschmann RS20-0800T1T1SDAUHH is an unmanaged switch, designed for simple plug-and-play operation.
3.1 Tænd
Once the power supply is connected, the switch will power on automatically. There is no power button.
3.2 Netværksforbindelse
Upon connecting Ethernet devices to the switch ports, the switch will automatically establish network links. Data transmission will commence without further configuration.
3.3 LED-indikatorer
Observe the LED indicators on the switch for status information:
- Power LED: Indicates the power status of the device. Typically green when powered on.
- Link/aktivitets-LED'er (pr. port):
- Solid grøn: Indicates a successful network link.
- Blinkende grønt: Indicates data activity on the port.
- Slukket: No link detected or device is not connected.
4. Vedligeholdelse
The Hirschmann RS20-0800T1T1SDAUHH switch requires minimal maintenance.
4.1 Rengøring
- Sørg for, at enheden er slukket, inden rengøring.
- Brug en blød, tør klud til at tørre ydersiden af kontakten af.
- Do not use liquid cleaners or solvents, as these can damage the device.
4.2 Miljøhensyn
The switch has an IP00 rating, meaning it is not protected against dust or water ingress. It must be installed in an appropriate enclosure that provides protection from environmental factors.
5. Fejlfinding
Dette afsnit indeholder løsninger på almindelige problemer.
5.1 Ingen strøm
- Symptom: Strøm-LED er slukket.
- Handling:
- Check the power cable connection to the switch.
- Kontroller, at strømkilden er aktiv og leverer den korrekte lydstyrke.tage (24V AC / 24-48V DC).
- Inspect the power terminals for secure contact.
5.2 Ingen netværksforbindelse
- Symptom: Link/Activity LED for a port is off, or devices cannot communicate.
- Handling:
- Sørg for, at Ethernet-kablet er korrekt tilsluttet til både switchporten og den tilsluttede enhed.
- Prøv et andet Ethernet-kabel.
- Kontroller, at den tilsluttede enhed er tændt og fungerer korrekt.
- Prøv at tilslutte enheden til en anden port på switchen.
6. Specifikationer
Technical specifications for the Hirschmann RS20-0800T1T1SDAUHH Ethernet Rail Switch.
| Feature | Specifikation |
|---|---|
| Modelnummer | RS20-0800T1T1SDAUHH |
| Mærke | Hirschmann |
| Switch Type | Uadministreret Fast Ethernet-switch |
| Antal havne | 8 |
| Monteringstype | DIN-skinne |
| Operation Voltage | 24V AC / 24-48V DC |
| Forbindelsesprotokol | Ethernet |
| Produktmål (L x B x H) | 0.31 x 0.31 x 0.28 tommer |
| Vægt | 5.67 pund |
| International Protection Rating | IP00 |
| Kontaktmateriale | Kobber |
| Dato først tilgængelig | 11. maj 2018 |

Figur 3: Product label for the Hirschmann RS20-0800T1T1SDAUHH, displaying key identification numbers such as UPC 4002044252977 and Alt ID 943 434-999.
7. Garanti og support
7.1 Garantioplysninger
For specific warranty details regarding your Hirschmann RS20-0800T1T1SDAUHH switch, please refer to the warranty documentation provided with your purchase or contact Hirschmann directly. Warranty terms typically cover manufacturing defects for a specified period from the date of purchase.
7.2 Teknisk support
If you encounter issues that cannot be resolved using the troubleshooting guide, or require further technical assistance, please contact Hirschmann customer support or your authorized distributor. Have your product model number (RS20-0800T1T1SDAUHH) and serial number ready when contacting support.





