Power / Transformers & Supplies
User Manual for Milleteknik PoE-injector 4p 1HE
Quick guide for the Milleteknik PoE-injector 4p 1HE. Includes installation instructions, connection steps, technical specifications, and usage requirements.
Quick answers from the manual
Quick answer
- The Milleteknik PoE-injector 4p 1HE is a 1U rack-mounted device that converts 24 V DC input to 48 V DC output for up to four PoE devices. p. 1, 4
Key actions
- Mount the unit in a 19-inch rack using two screws on each side. p. 2
- Connect the 24 V power supply to the back of the unit. p. 2, 3
First start
- The device starts automatically as soon as 24 V DC is connected. p. 2
Technical specifications
| Parameter | Value | Meaning | Pages |
|---|---|---|---|
| Input Voltage | 24 V DC | Required power input | p. 1, 4 |
| Output Voltage | 48 V DC | PoE output voltage | p. 1, 4 |
| Max Power per Port | 30.8 W | Maximum power delivery per PoE port | p. 4 |
Where to find it in the PDF
- Component Overview p. 1, 3
- Installation p. 2
- Technical Data p. 4, 5
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
The Milleteknik PoE-injector 4p 1HE is designed for 19-inch rack mounting. It requires a 24 V DC power input and provides 48 V DC output via four PoE ports. Ensure proper ventilation by leaving at least 100 mm of space above and below the unit. The device starts automatically once 24 V DC power is connected.
Product Overview
The unit is a 1U high rack-mounted device. The front panel contains the PoE input and output ports. The back panel features the 24 V power input connection and load outputs.
Installation
The device is intended for fixed indoor installation. To install in a 19-inch rack:
- Ensure the rack is prepared for a 1U device (44 mm height).
- Secure the unit using two screws on each side.
- Note: Screws and nuts for rack mounting are not included.
- Maintain at least 100 mm of clearance above and below the unit for adequate ventilation.
Connection
Follow this order for connection:
- Connect the load and alarm cables.
- Connect the 24 V power supply to the back of the unit via the pluggable terminal block.
The PoE injector will start immediately upon receiving 24 V DC power.
Technical Specifications
- Input Voltage: 24 V DC
- Output Voltage: 48 V DC via PoE ports
- Max Power per Port: 30.8 W
- Dimensions (H x W x D): 44 x 244 x 280 mm
- Weight: 1.8 kg (net)
- Operating Temperature: +5°C to +40°C
- IP Class: IP20
Compatibility
This product is compatible with all Milleteknik battery backups that provide 24 V DC output.
Practical help
Common problems
Device does not start
Verify that the 24 V DC power source is correctly connected to the back of the unit.
Overheating
Ensure there is at least 100 mm of free space above and below the unit for ventilation.
Before use
- Verify you have a 19-inch rack available.
- Ensure the power source provides 24 V DC.
- Check that you have the necessary screws and nuts for rack mounting (not included).
- Ensure 100 mm clearance above and below the unit.
- Confirm the environment is indoors with a temperature between +5°C and +40°C.
Specs in practice
- Max power per port
- Maximum power delivery capacity is 30.8 W per port.
Images and diagrams
- The front panel diagram shows the PoE input and output ports.
- The rack mounting diagram illustrates securing the unit with two screws on each side.
Model compatibility
- Compatible with all Milleteknik battery backups that deliver 24 V DC output.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.