1. Introduction
The Vertiv Liebert IntelliSlot RDU120 Network Card is an advanced remote monitoring adapter designed to enhance the management capabilities of Vertiv products. This card facilitates secure and flexible communication, enabling real-time data access and system status monitoring for critical infrastructure.
1.1 Product Overview
The RDU120 provides web access and data transmission via industry-standard protocols such as SNMP, Modbus, and BACNet. It supports environmental monitoring through compatible Geist Sensors for parameters like temperature, humidity, leak detection, and contact closures. Its UL2900-1 cybersecurity certification ensures secure online communication and data integrity.
1.2 Key Features
- UL2900-1 Cybersecurity Certified: Ensures secure online communication.
- Secure Boot with Hardware Trust Anchor: Prevents unauthorized software tampering.
- Flexible Communication: Supports SNMP, Modbus, and BACnet protocols.
- Standard RESTful API Support: Facilitates easy configuration and updates.
- 1 Gb Ethernet: Compatible with modern network environments and web browsers.
- Environmental Monitoring: Supports Geist Sensors for various environmental parameters.
2. Safety Information
Please read and understand all safety instructions before installing or operating the Vertiv Liebert IntelliSlot RDU120 Network Card. Failure to follow these instructions may result in injury, damage to the product, or voiding of the warranty.
- Ensure the host device is powered off and disconnected from the power source before installation.
- Handle the network card by its edges to avoid touching electronic components.
- Use appropriate electrostatic discharge (ESD) precautions when handling the card.
- Do not expose the card to moisture or extreme temperatures.
- Only use accessories and cables approved by Vertiv.
3. Package Contents
Verify that all items are present and undamaged upon opening the package:
- Vertiv Liebert IntelliSlot RDU120 Network Card
- Quick Start Guide (if applicable)
- Mounting Screws (if applicable)
If any items are missing or damaged, contact your supplier immediately.
4. Product Overview
Familiarize yourself with the physical components and ports of the RDU120 Network Card.

Figure 4.1: Overall view of the RDU120 Network Card, displaying the circuit board and connectors.

Figure 4.2: Angled view of the RDU120, showing the front panel and card profile.

Figure 4.3: Detailed view of the RDU120 front panel, indicating port labels.

Figure 4.4: Side view of the RDU120, showing its form factor and mounting bracket.
4.1 Front Panel Ports and Indicators
- Ethernet Port (RJ45): For 1 Gb network connectivity.
- USB Port: For local configuration or firmware updates.
- RS-485/232 Ports: For serial communication with compatible devices.
- Activity/Link LEDs: Indicate network activity and connection status.
5. Setup
5.1 Installation Steps
- Power Down Host Device: Ensure the Vertiv equipment where the RDU120 will be installed is completely powered off and unplugged.
- Locate IntelliSlot Bay: Identify the dedicated IntelliSlot bay on your Vertiv device.
- Insert RDU120 Card: Carefully slide the RDU120 Network Card into the IntelliSlot bay until it is fully seated. Ensure the front panel aligns with the device's chassis.
- Secure Card: Use any provided screws or retention clips to secure the card in place.
- Connect Network Cable: Connect a standard Ethernet cable from your network switch or router to the Ethernet port on the RDU120 front panel.
- Power On Host Device: Reconnect power to the Vertiv equipment and power it on. The RDU120 will initialize with the host device.
5.2 Initial Configuration
Upon initial power-up, the RDU120 will typically obtain an IP address via DHCP. If DHCP is not available or a static IP is required, refer to the detailed configuration guide available on the Vertiv support website.
- Accessing the Web Interface: Open a web browser and enter the IP address of the RDU120. If DHCP is used, you may need to use a network scanner or the host device's interface to find the assigned IP.
- Default Credentials: Use the default username and password provided in the product documentation for initial login. Change these immediately for security.
- Network Settings: Configure static IP address, subnet mask, gateway, and DNS servers as per your network requirements.
6. Operating
6.1 Web Interface Navigation
The RDU120's web interface provides comprehensive control and monitoring capabilities. Navigate through the menus to access various settings and data points.
- Dashboard: Provides an overview of system status, alarms, and key parameters.
- Monitoring: View real-time data, historical trends, and sensor readings.
- Configuration: Adjust network settings, user accounts, and communication protocols.
- Alarms & Notifications: Set up alarm thresholds and configure email/text message alerts.
6.2 Monitoring Data
The RDU120 supports various protocols for data integration with Building Management Systems (BMS) and network monitoring tools.
- SNMP (Simple Network Management Protocol): Use SNMP v1/v2c/v3 for polling data and receiving traps. Refer to the MIB file for OID definitions.
- Modbus: Access data via Modbus TCP/IP. Consult the Modbus register map for details.
- BACnet: Integrate with BACnet/IP systems for building automation.
6.3 Alarm and Notification Management
Configure the RDU120 to send alerts for critical events:
- Define alarm thresholds for monitored parameters (e.g., temperature, voltage).
- Configure email recipients and SMTP server settings for email notifications.
- Set up SMS gateway for text message alerts (if supported by your service provider).
6.4 Environmental Monitoring
When connected to compatible Geist Sensors, the RDU120 can monitor environmental conditions:
- Temperature and Humidity: Monitor ambient conditions in server racks or rooms.
- Leak Detection: Detect water leaks to prevent equipment damage.
- Door Closures: Monitor access to cabinets or rooms.
7. Maintenance
7.1 Firmware Updates
Regularly check the Vertiv support website for the latest firmware updates. Firmware updates can provide new features, performance improvements, and security enhancements.
- Download the appropriate firmware file from the Vertiv website.
- Access the firmware update section in the RDU120 web interface.
- Follow the on-screen instructions to upload and install the firmware. Do not power off the device during the update process.
7.2 System Backup and Restore
It is recommended to back up the RDU120's configuration settings periodically, especially before major changes or firmware updates.
- Export configuration settings from the web interface.
- Store the backup file in a secure location.
- Use the restore function to revert to a previous configuration if needed.
8. Troubleshooting
This section provides solutions to common issues you might encounter with the RDU120 Network Card.
| Problem | Possible Cause | Solution |
|---|---|---|
| Cannot access web interface. | Incorrect IP address; Network connectivity issue; Firewall blocking access. | Verify IP address; Check network cable and switch; Disable temporary firewall for testing; Ensure RDU120 is powered on. |
| No data via SNMP/Modbus/BACnet. | Protocol not enabled; Incorrect configuration; Network routing issue. | Ensure protocol is enabled in RDU120 settings; Verify IP addresses and port numbers; Check network routes and firewalls. |
| Alarms not being sent. | Incorrect notification settings; SMTP server issues; Email address errors. | Verify alarm thresholds and notification recipients; Test SMTP server connectivity; Check spam folders. |
| Card not detected by host device. | Card not fully seated; Incompatible host device; Card malfunction. | Reseat the card firmly; Consult host device compatibility list; Contact Vertiv support if issue persists. |
For more complex issues, refer to the comprehensive troubleshooting guide on the Vertiv support website or contact Vertiv technical support.
9. Specifications
Technical specifications for the Vertiv Liebert IntelliSlot RDU120 Network Card:
| Attribute | Value |
|---|---|
| Product Dimensions | 5.2 x 2.97 x 1.45 inches |
| Item Weight | 5.9 ounces |
| ASIN | B0F2MN6WTB |
| Item Model Number | RDU120 |
| Date First Available | March 27, 2025 |
| Manufacturer | Vertiv |
| Brand | Vertiv |
| UPC | 767041039627 |
10. Warranty and Support
10.1 Warranty Information
Vertiv products are backed by a standard limited warranty. For specific warranty terms and conditions applicable to your RDU120 Network Card, please refer to the warranty documentation included with your purchase or visit the official Vertiv website.
10.2 Technical Support
For technical assistance, product inquiries, or troubleshooting beyond the scope of this manual, please contact Vertiv Technical Support. Support contact information can be found on the official Vertiv website:
Vertiv Official Website: www.vertiv.com
Please have your product model number (RDU120) and serial number ready when contacting support.





