1. Introducció
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.

Figura 1: Hirschmann RS20-0800T1T1SDAUHH Ethernet Rail Switch in its original packaging. The packaging indicates the model number and brand for verification.
2. Configuració i instal·lació
Follow these steps for proper installation of your Hirschmann RS20-0800T1T1SDAUHH switch.
2.1 Desembalatge
- Traieu amb cura l'interruptor del seu embalatge.
- Verify that all components are present and undamaged. The package should contain the switch and any included hardware.
2.2 Muntatge
The RS20-0800T1T1SDAUHH is designed for DIN rail mounting.
- Attach the switch securely to a standard DIN rail in an industrial enclosure.
- Assegureu-vos que hi hagi una ventilació adequada al voltant del dispositiu per evitar el sobreescalfament.
2.3 Connexió d'alimentació
Connecteu la font d'alimentació a l'interruptor.
- The switch operates on 24V AC or 24-48V DC.
- Assegureu-vos que la font d'alimentació coincideixi amb el volum especificattage gamma.
- Connect the power cables to the designated power input terminals on the switch.
2.4 Connexions de xarxa
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.

Figura 2: The Hirschmann RS20-0800T1T1SDAUHH switch, illustrating the 8 Ethernet ports and the power input terminal block for connection.
3. Instruccions de funcionament
The Hirschmann RS20-0800T1T1SDAUHH is an unmanaged switch, designed for simple plug-and-play operation.
3.1 Encès
Once the power supply is connected, the switch will power on automatically. There is no power button.
3.2 Connectivitat de xarxa
Upon connecting Ethernet devices to the switch ports, the switch will automatically establish network links. Data transmission will commence without further configuration.
3.3 Indicadors LED
Observe the LED indicators on the switch for status information:
- LED d'alimentació: Indicates the power status of the device. Typically green when powered on.
- LED d'enllaç/activitat (per port):
- Verd sòlid: Indica un enllaç de xarxa correcte.
- Verd intermitent: Indicates data activity on the port.
- Apagat: No s'ha detectat cap enllaç o el dispositiu no està connectat.
4. Manteniment
The Hirschmann RS20-0800T1T1SDAUHH switch requires minimal maintenance.
4.1 Neteja
- Assegureu-vos que el dispositiu estigui apagat abans de netejar-lo.
- Feu servir un drap suau i sec per netejar l'exterior de l'interruptor.
- Do not use liquid cleaners or solvents, as these can damage the device.
4.2 Consideracions ambientals
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. Solució De Problemes
Aquesta secció ofereix solucions a problemes comuns.
5.1 Sense poder
- Símptoma: El LED d'alimentació està apagat.
- Acció:
- Check the power cable connection to the switch.
- Verify the power source is active and providing the correct voltage (24V AC / 24-48V DC).
- Inspect the power terminals for secure contact.
5.2 Sense connectivitat de xarxa
- Símptoma: Link/Activity LED for a port is off, or devices cannot communicate.
- Acció:
- Ensure the Ethernet cable is securely connected to both the switch port and the connected device.
- Prova un cable Ethernet diferent.
- Verifiqueu que el dispositiu connectat estigui encès i funcioni correctament.
- Proveu de connectar el dispositiu a un port diferent de l'interruptor.
6. Especificacions
Technical specifications for the Hirschmann RS20-0800T1T1SDAUHH Ethernet Rail Switch.
| Característica | Especificació |
|---|---|
| Número de model | RS20-0800T1T1SDAUHH |
| Marca | Hirschmann |
| Tipus de canvi | Commutador Ethernet ràpid no gestionat |
| Nombre de Ports | 8 |
| Tipus de muntatge | Carril DIN |
| Vol. Operatiutage | 24V AC / 24-48V DC |
| Protocol de connectivitat | Ethernet |
| Dimensions del producte (L x A x A) | 0.31 x 0.31 x 0.28 polzades |
| Pes | 5.67 lliures |
| Classificació de protecció internacional | IP00 |
| Material de contacte | coure |
| Data de primera disponibilitat | 11 de maig de 2018 |

Figura 3: Product label for the Hirschmann RS20-0800T1T1SDAUHH, displaying key identification numbers such as UPC 4002044252977 and Alt ID 943 434-999.
7. Garantia i Suport
7.1 Informació de la garantia
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 Suport tècnic
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.





