System description
STEP Intercom system
Version 1
Intercom split mounting POE+
The intercom is connected via POE+ (Power Over Ethernet Plus) and is powered through the network (Cat6) from a POE+ switch. This solution enables both data communication and power supply over a single Cat6 network cable.
The POE+ switch is normally connected to the customer's existing network, which gives the device access to the internet.
Through this internet connection, a secure link is established to Steplock Cloud.
This connection enables remote administration, event logging, and real-time mobile access.
Door Controller – Function and Connections
The door controller functions as a node for control and has the following connections:
Incoming Network POE+:
The door controller is network-connected to a POE+ switch via a Cat6 network cable. This connection enables the transfer of signals to and from the intercom and other parts of the system.
Intercom Connection:
The intercom is connected to the door controller using the intercom cable ST2062/2063. This cable is a combined power and network cable (Ethernet, bus, Power).
Lock Unit Connection:
The connection is made with a 2x0.5 mm² low-voltage cable to activate the door lock (e.g., electric strike such as ST40 or motor lock ST350S).
Connection for Exit Button:
An exit button is connected to the door controller with a 2x0.5 mm² low-voltage cable. When the button is pressed, a signal is sent to the controller to activate the lock.
Intercom split installation DCE
When installing Steplock intercom with DCE technology, the existing 24V cabling in the building is reused, making the installation both smooth and cost-effective. The network connection is established by mounting a Stepmaster (ST2055) at an existing connection point. There, the unit is connected to the customer’s local network.
The Steplock DCE master then overlays the network communication onto the existing 24V cabling, enabling communication with the intercom without the need to install new network cables.
Through this internet connection, a secure and encrypted link is created to Steplock Cloud. This enables remote administration, event logging, and real-time mobile door opening.
Door Controller – Function and Connections
The door controller functions as a node for control and has the following connections:
Incoming 24V
The door controller is connected to a 24V power supply provided by the Steplock DCE master (ST2055).
Intercom Connection:
The intercom is connected to the door controller using the intercom cable ST2062/2063. This cable is a combined power and network cable (Ethernet, bus, Power).
Lock Unit Connection:
The connection is made with a 2x0.5 mm² low-voltage cable to activate the door lock (e.g., electric strike such as ST40 or motor lock ST350S).
Connection for Exit Button:
An exit button is connected to the door controller with a 2x0.5 mm² low-voltage cable. When the button is pressed, a signal is sent to the controller to activate the lock.
Intercom split installation 4G/LTE
When installing a Steplock intercom with LTE connection, the system is powered via a standard 24V DC transformer or an external power supply that provides filtered and stabilized 24V DC to the door controller.
An ST241 LTE modem is then connected to the door controller using the included power and network cables.
With the RUT241 LTE modem supplied by Steplock, connection status and signal quality can be monitored in real time directly via Steplock Cloud. This provides easy troubleshooting, increased operational reliability, and full control over the connection—wherever you are.
Door Controller – Function and Connections
The door controller functions as a node for control and has the following connections:
Incoming 24V
The door controller is connected to a 24V power supply.
Modem Connection
The modem is connected using the included power cable from the door controller’s power output, as well as a network cable to the network port.
Intercom Connection:
The intercom is connected to the door controller using the intercom cable ST2062/2063. This cable is a combined power and network cable (Ethernet, bus, Power).
Lock Unit Connection:
The connection is made with a 2x0.5 mm² low-voltage cable to activate the door lock (e.g., electric strike such as ST40 or motor lock ST350S).
Connection for Exit Button:
An exit button is connected to the door controller with a 2x0.5 mm² low-voltage cable. When the button is pressed, a signal is sent to the controller to activate the lock.