Functions:

1. 1U 19-inch Mounts - x2 pieces for mounting brackets into a 1U 19" rack slot.

2. Analog Sensors: A1..A8 - 8 RJ12 analog sensor inputs with automatic detection.

3. LAN Port - Ethernet 10/100 Base-T port providing an Ethernet connection. Read more in the section "LAN, GSM, LTE, RADIUS, DNS, SSL, VPN".

Orange LED - Orange LED for the Ethernet port. Indicates network traffic.
Green LED - Green LED for the Ethernet port. Indicates network traffic. Blinks green during system startup. Shows connection status (solid green light - connection established, blinking green - attempting to connect).

4. USB - A Micro-USB port is required for USB camera recording, USB flash for system logs, and system recovery.

5. Modem Slot - LTE slot modem can be installed in this slot. This modem must be ordered separately.

6. Sticker Space - A space for a sticker that can be used by the user to place an identifier for the system (for example, an IP address).

7. Restart - The button restarts the device. Hold the button for 2 seconds and then release it, and the system will restart.

8.1 Activity - Green LED shows the device system status,

Device operating mode: blinks at a frequency of 2 times per second;
Successful completion of the software update process: blinks at a frequency of 4 times per second;

8.2 Error - Red LED indicates errors and traffic.

Device operating mode: If everything is normal, the LED is off; otherwise, it is constantly lit;
Software update mode: blinks at a rate of 2 times per second;

8.3 Alarm - The LED can be programmed via the user interface for alarm indication.

9. TEMPERATURE SENSOR - Accuracy +/- 1 °C.

10.1 CAN - Green LED indicates CAN bus status.

LED blinks slowly - nothing is connected
LED blinks rapidly - configuration in progress
LED is constantly on - connected to CAN devices

10.2 R1, R2, R3, R4 - LED status indicators for the status of x4 C13 outlets.

LED ON (orange) - the relay is ON (the initial state can be configured).
LED OFF (off) - the output is OFF (the initial state can be configured).

10.3 E1, E2 - LED status indicators for 12V 0.25A relay outputs.

LED ON (orange) - the output is ON (the initial state can be configured).
LED OFF (off) - the output is OFF (the initial state can be configured).

11. OUTLETS 1-4 - x4 C13 sockets 110-240V AC, 50/60 Hz.

12. INLET - C14 inlet, 110-240V AC, 50/60Hz, fuse 10A 5x20mm

13. Chassis Grounding - Chassis grounding, M4 thread. Improves equipment immunity against conducted and radiated RF interference.

14. Battery Extension Slot - Extension slot for rechargeable backup battery or 9V backup battery. Only one extension can be installed in this slot. Each extension must be purchased separately.

15. DC 12V BACKUP POWER - This is a backup power supply connection.

16. Factory reset - Reset settings to standard factory defaults.

Hold the button pressed for more than 5 seconds. The Error LED starts blinking. This indicates the factory reset has been initiated. Wait 20-60 seconds for the system to restart. The Activity LED starts blinking once the system has restarted. The device is now accessible.

17. OUTPUTS 12V 0.25A - 12V 0.25A (per output) terminal outputs (electronic relay). LED indicators are located on the front panel.

18. DRY CONTACT INPUTS 1...2 - Digital inputs (type IN).

19. CAN 1 / CAN 0 - Two digital RJ12 connectors for connecting CAN sensors/extensions/devices on a CAN bus. Modules connected to these connectors can be cascaded.

20. SD Card - MicroSD card slot with eject mechanism.

The card is needed for data storage or "system recovery".

21. Extension Slot

Only one of the two extensions can be installed: Modbus RTU extension or OSDP v2 reader extension. Must be ordered separately.

22. N - R - DIP Switch is used for different system modes.

Normal mode: The switch is set to the left ←. The switch should always be in this position.
Device recovery: The switch is set to the right →. Used to load a clean system image from an SD card.

Overview of the connections:

Dimensions:

Areas of Application

The Didactum PDU 4T switched PDU with 4 outlets is designed for a wide range of applications, making it an indispensable tool in environments that require reliable power management and environmental monitoring. Here are some of its key areas of use:

• Data Center Management: The Didactum PDU 4T enables data center operators to efficiently manage the power supply of servers and network equipment. By remotely switching outlets on and off, technicians can perform remote reboots and ensure optimal load distribution, which is crucial to avoid overheating and ensure uptime.

• Environmental Monitoring: The device allows monitoring of critical environmental parameters such as temperature, humidity, voltage, and smoke. In data centers or server rooms, maintaining specific conditions is essential to prevent equipment damage. For example, a temperature rise detected by the Didactum PDU 4T can trigger alarms or automatically activate fans for cooling.

• Peripheral Device Control: The Didactum PDU 4T can be used to control peripheral devices such as fans, generators, and UPS systems. This functionality is especially useful during power outages, as the system can automatically switch to emergency power while managing other connected devices to maintain operation.

• Security Systems: With the ability to control doors and alarms, the Didactum PDU 4T acts as part of an integrated security system. It can manage access control systems and monitor unauthorized access to ensure that sensitive areas remain protected.

• Customizable Logic Schemes: Users can set up complex logic schemes to enable automated responses based on specific conditions. For instance, the system can automatically activate dehumidifiers or fans when a humidity threshold is exceeded.

• Energy Data Management: By monitoring voltage and power consumption of various devices, the Didactum PDU 4T helps organizations optimize energy use and reduce costs. Alerts can be configured to notify operators of unusual consumption patterns that might indicate faulty equipment.

• Remote Monitoring and Management: The integrated web interface allows easy remote access, enabling IT staff to monitor and control systems from anywhere. This feature is indispensable for companies with multiple locations or external management.

These applications highlight the versatility and importance of the Didactum PDU 4T in modern IT and facility management, helping organizations ensure operational efficiency, security, and reliability.