Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Avaya 1XU-2001 IP Office 24-Button Add-On Module. Please read this manual thoroughly before using the device to ensure proper functionality and to prevent damage.

Figure 1: Front view of the Avaya 1XU-2001 IP Office 24-Button Add-On Module. This image shows the module's display and button layout.
Setup and Installation
1. Unpacking
- Carefully remove the Avaya 1XU-2001 module from its packaging.
- Verify that all components are present: the 1XU-2001 module and any included connection cables.
- Inspect the module for any visible damage. If damage is found, contact your supplier immediately.
2. Connecting the Module
- Ensure the main Avaya IP Office system or compatible telephone is powered off before connecting the add-on module.
- Locate the expansion port on your Avaya IP Office telephone or system. This is typically on the side or rear.
- Connect the provided expansion cable from the 1XU-2001 module to the expansion port on the main device. Ensure a secure connection.
- If multiple modules are being added, connect them in a daisy-chain fashion, connecting each new module to the previous one.
- Position the module on a stable, flat surface, or attach it to the compatible telephone stand if applicable.

Figure 2: Side view of the Avaya 1XU-2001 module, showing potential connection points. This image illustrates the module's profile and how it might integrate with a main unit.
3. Powering On
Once the module is securely connected, power on your main Avaya IP Office system or telephone. The system should automatically detect the new add-on module. Refer to your main system's manual for specific power-on procedures.
Operating Instructions
The Avaya 1XU-2001 module provides 24 programmable buttons, typically used for speed dials, line appearances, feature access codes, or monitoring other extensions. The functionality of each button is configured through the Avaya IP Office system administration.
Button Functionality
- Programmable Buttons: Each of the 24 buttons can be assigned a specific function by your system administrator. Common functions include:
- Speed Dial: One-touch dialing to frequently called numbers.
- Line Appearance: Access to additional incoming/outgoing lines.
- Feature Keys: Quick access to system features like call transfer, conference, or voicemail.
- Busy Lamp Field (BLF): Monitor the status (busy/idle) of other extensions.
- Labels: The display adjacent to each button will show the assigned function. These labels are typically configured by the system administrator.
Using the Buttons
To use a programmed button, simply press the button corresponding to the desired function. For example, to dial a speed dial number, press the button labeled with that contact's name or number.
For detailed information on specific button programming and advanced features, consult your Avaya IP Office system administrator or the main system's user manual.
Maintenance
Cleaning
- To clean the module, gently wipe the surfaces with a soft, damp cloth.
- Do not use abrasive cleaners, solvents, or strong detergents, as these can damage the plastic and electronic components.
- Ensure the module is disconnected from power before cleaning.
Storage
If storing the module for an extended period, keep it in a cool, dry place, away from direct sunlight and extreme temperatures. Use original packaging if available to protect it from dust and physical damage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Module not recognized by main system. | Loose cable connection. Main system not powered on. Incorrect port used. | Check and secure all cable connections. Ensure the main Avaya IP Office system is powered on. Refer to the main system's manual for correct expansion port identification. |
| Buttons do not perform assigned function. | Buttons not programmed. Incorrect programming. | Contact your system administrator to verify button programming. Ensure the correct functions are assigned to each button. |
| Display is blank or unreadable. | Module not receiving power. Display settings on main unit. | Check power and connections. Consult the main system's manual for display settings or brightness adjustments. |
If the problem persists after attempting these solutions, please contact your Avaya system administrator or technical support.
Specifications
- Model: Avaya 1XU-2001
- Type: IP Office Add-On Module
- Buttons: 24 Programmable Buttons
- Color: Gray
- Manufacturer: Avaya Inc.
- ASIN: B016YJULPO
- First Available: October 21, 2015
- Compatibility: Designed for use with Avaya IP Office systems and compatible telephones.
Support and Warranty
Technical Support
For technical assistance, configuration questions, or advanced troubleshooting, please contact your Avaya IP Office system administrator or authorized Avaya support provider. You may also visit the official Avaya support website for documentation and resources.
Avaya Support Website: www.avaya.com/support
Warranty Information
Warranty terms and conditions for the Avaya 1XU-2001 module are typically provided at the point of purchase or through your Avaya system vendor. Please refer to your purchase documentation for specific warranty coverage details. Keep your proof of purchase for warranty claims.
Note: As this is an older model, warranty coverage may vary. Please confirm with your supplier.





