Little-used demonstration device, up to date with the latest software update.

The Agfeo ST42 is a corded system telephone developed as a successor to the ST40 and specifically designed for use with Agfeo telecommunication systems. It enables connection to both the S0 port and the Up0 port of the PBX via its integrated digital port. The device is black and features an operating concept with navigation keys below the display, which visually supports the next operating step. It is classified as a Category 6 end device under the ElektroG, meaning small IT and telecommunications devices relevant in the B2C sector.

Applications
The ST42 is intended for use in office environments and small to medium-sized enterprises that operate an Agfeo telephone system. It serves as an end device in the telephone network and enables the use of S0 and Up0 connections, ensuring flexible integration into existing systems. The device is for indoor use only, as no information regarding weather resistance or protection rating is provided.

Functions and Features in Detail
The telephone features 10 function keys for controlling calls, navigating menus, and accessing specific services. The navigation keys below the display support operation by visually indicating the next step, improving usability especially for users with limited technical experience. The device is a corded telephone, ensuring a stable connection without radio interference.

Technology Explained Simply
The integrated digital port allows connection to the S0 and Up0 interfaces of the Agfeo telephone system. These interfaces are standard in German telephone systems and are used for digital communication between the end device and the system. The S0 interface is intended for connection to analog and digital telephone systems, while the Up0 interface was specifically developed for connection to Agfeo systems. The ST42 is therefore compatible with the corresponding connection options of Agfeo systems.

Compatibility and Accessories
The ST42 is designed for use with Agfeo telephone systems and can be connected to S0 and Up0 ports. No specific accessories are included in the delivery scope; however, common telephone accessories such as handsets, cables, or charging stations can be used, provided they are compatible with the device. The sources do not mention any specific accessory items, so no further compatibility information can be provided.

Installation and Mounting
Installation is performed by directly connecting the device to the S0 or Up0 port of the Agfeo telephone system using the integrated digital port. No additional mounting or installation aids are required. The device is placed on a flat surface, as no wall mounting or special bracket is provided. Dimensions are 235 mm (length/depth), 220 mm (width), and 130 mm (height).

Operational Advantages
The ST42 offers a stable, wired connection that functions independently of radio interference or network issues. Integration into Agfeo systems requires no additional configuration, as the digital port connects directly to the S0 and Up0 interfaces. Operation is supported by navigation keys below the display, reducing the learning curve for new users. The device is up to date with the latest software update, ensuring compatibility with current system versions.