1. Introdución
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. Configuración e instalación
Follow these steps for proper installation of your Hirschmann RS20-0800T1T1SDAUHH switch.
2.1 Desembalaxe
- Retire coidadosamente o interruptor da súa embalaxe.
- Verify that all components are present and undamaged. The package should contain the switch and any included hardware.
2.2 Montaxe
The RS20-0800T1T1SDAUHH is designed for DIN rail mounting.
- Attach the switch securely to a standard DIN rail in an industrial enclosure.
- Asegúrese de que haxa unha ventilación axeitada arredor do dispositivo para evitar o sobrequecemento.
2.3 Conexión de alimentación
Conecte a fonte de alimentación ao interruptor.
- The switch operates on 24V AC or 24-48V DC.
- Asegúrate de que a fonte de alimentación coincida co volume especificadotagrango.
- Connect the power cables to the designated power input terminals on the switch.
2.4 Conexións de rede
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. Instrucións de funcionamento
The Hirschmann RS20-0800T1T1SDAUHH is an unmanaged switch, designed for simple plug-and-play operation.
3.1 Encendido
Once the power supply is connected, the switch will power on automatically. There is no power button.
3.2 Conectividade de rede
Upon connecting Ethernet devices to the switch ports, the switch will automatically establish network links. Data transmission will commence without further configuration.
3.3 Indicadores LED
Observe the LED indicators on the switch for status information:
- LED de alimentación: Indicates the power status of the device. Typically green when powered on.
- LED de ligazón/actividade (por porto):
- Verde sólido: Indicates a successful network link.
- Verde intermitente: Indica actividade de datos no porto.
- Desactivado: No link detected or device is not connected.
4. Mantemento
The Hirschmann RS20-0800T1T1SDAUHH switch requires minimal maintenance.
4.1 Limpeza
- Asegúrate de que o dispositivo estea apagado antes de limpalo.
- Use un pano suave e seco para limpar o exterior do interruptor.
- Do not use liquid cleaners or solvents, as these can damage the device.
4.2 Consideracións ambientais
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 Solución de problemas
Esta sección ofrece solucións a problemas comúns.
5.1 Sen enerxía
- Síntoma: O LED de alimentación está apagado.
- Acción:
- Check the power cable connection to the switch.
- Verificar que a fonte de alimentación estea activa e que proporcione o volume correctotage (24V AC / 24-48V DC).
- Inspect the power terminals for secure contact.
5.2 Sen conectividade de rede
- Síntoma: Link/Activity LED for a port is off, or devices cannot communicate.
- Acción:
- Asegúrese de que o cable Ethernet estea conectado de forma segura tanto ao porto do conmutador como ao dispositivo conectado.
- Proba cun cable Ethernet diferente.
- Comprobe que o dispositivo conectado estea acendido e funcione correctamente.
- Proba a conectar o dispositivo a un porto diferente do interruptor.
6. Especificacións
Technical specifications for the Hirschmann RS20-0800T1T1SDAUHH Ethernet Rail Switch.
| Característica | Especificación |
|---|---|
| Número de modelo | RS20-0800T1T1SDAUHH |
| Marca | Hirschmann |
| Tipo de cambio | Conmutador Ethernet rápido non xestionado |
| Número de portos | 8 |
| Tipo de montaxe | Carril DIN |
| Vol. Operativotage | 24V AC / 24-48V DC |
| Protocolo de conectividade | Ethernet |
| Dimensións do produto (L x W x H) | 0.31 x 0.31 x 0.28 polgadas |
| Peso | 5.67 libras |
| Clasificación de protección internacional | IP00 |
| Material de contacto | Cobre |
| Data de primeira dispoñibilidade | 11 de maio 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. Garantía e soporte
7.1 Información da garantía
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 Soporte técnico
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.





