1. Introduction
This manual provides essential instructions for the installation, operation, maintenance, and troubleshooting of your APC Smart-UPS X 2000 Rack/Tower LCD (SMX2000RMLV2U). This Uninterruptible Power Supply (UPS) is designed to protect electronic equipment from utility power outages, sags, surges, and other power disturbances.
Please read this manual thoroughly before installing or operating the UPS to ensure proper use and safety.
2. Important Safety Information
Observe all warnings and operating instructions in this manual. Failure to do so may result in injury or equipment damage.
General Safety
- The UPS contains internal batteries and may present a shock hazard even when disconnected from the AC power source.
- Servicing of batteries should be performed or supervised by personnel knowledgeable of batteries and the required precautions. Keep unauthorized personnel away from batteries.
- Do not dispose of batteries in a fire. The batteries may explode.
- Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes. It may be toxic.
- This UPS is intended for indoor use only.
- Do not operate this UPS in direct sunlight, in contact with fluids, or where there is excessive dust or humidity.
- Ensure the power cord is securely connected to a grounded outlet.
Weight Safety
The APC Smart-UPS X 2000 is heavy (approximately 84.77 lbs). Use proper lifting techniques and ensure adequate support when installing or moving the unit.
3. Setup and Installation
3.1 Unpacking and Inspection
Carefully unpack the UPS and inspect it for any shipping damage. Retain the packaging materials for future use or return if necessary.
Package Contents:
- APC Smart-UPS X 2000 Rack/Tower LCD Unit
- Documentation CD
- Installation Guide
- Rack Mounting Brackets and Hardware
- Rack Mounting Support Rails
- Removable Support Feet (for tower configuration)
- Smart UPS Signaling RS-232 Cable
- USB Cable
3.2 Placement
Place the UPS in a protected area free of excessive dust, high temperatures, and humidity. Ensure adequate airflow around the unit for proper ventilation. Maintain at least 2 inches (5 cm) of clearance on all ventilated sides.
3.3 Mounting Options
The SMX2000RMLV2U can be installed in a 2U rack-mount configuration or as a tower unit.
Rack-Mount Installation:
Use the provided rack mounting brackets and support rails to secure the UPS in a standard 19-inch equipment rack. Refer to the included installation guide for detailed instructions on rail and bracket attachment.
Tower Installation:
Attach the removable support feet to the bottom of the UPS for stable vertical placement. Ensure the unit is placed on a flat, stable surface.

Image 1: Front view of the APC Smart-UPS X 2000 Rack/Tower LCD (SMX2000RMLV2U) unit, showing the LCD display and front panel controls.
3.4 Battery Connection
The UPS is shipped with the internal battery disconnected for safety. Locate the battery connector on the rear panel or inside the front panel (depending on the specific design) and connect the battery cable securely. Refer to the quick start guide for exact battery connection steps.
3.5 Connecting Equipment and Power
- Input Power: Connect the UPS input power cord to a grounded 120 V AC outlet. Avoid using extension cords.
- Output Receptacles: Connect your equipment to the output receptacles on the rear of the UPS. The unit features:
- 1 x NEMA L5-20R
- 3 x NEMA 5-15R
- 3 x NEMA 5-20R
- Communication Ports: Connect the provided USB cable or RS-232 serial cable from the UPS to your computer or server for monitoring and management. The SmartSlot allows for optional accessory cards (e.g., network management card).
3.6 Initial Power On
After connecting the battery and input power, press the power button on the front panel to turn on the UPS. The LCD display will illuminate, and the UPS will perform a self-test. Allow the UPS to charge for at least 3 hours before relying on its battery backup capabilities.
4. Operation
4.1 Front Panel LCD Display and Controls
The front panel LCD provides real-time status information and allows configuration of UPS settings. Use the navigation buttons (up, down, enter, escape) to browse menus and adjust parameters.
Key Information Displayed:
- Input/Output Voltage and Frequency
- Load Percentage
- Battery Charge Level and Runtime
- UPS Status and Alarms
4.2 Power On/Off Procedures
- To Power On: Press and hold the power button until the LCD illuminates.
- To Power Off: Press and hold the power button until the UPS powers down. Ensure all connected equipment is safely shut down before powering off the UPS.
4.3 Self-Test
A self-test can be initiated via the LCD menu to check the battery and UPS functionality. It is recommended to perform a self-test periodically, especially after battery replacement or extended periods of inactivity.
4.4 Battery Operation
During a power outage, the UPS will automatically switch to battery power, providing continuous power to connected equipment. The LCD will display the estimated runtime remaining. When utility power returns, the UPS will automatically switch back to utility power and begin recharging its batteries.
4.5 Management Software
APC PowerChute software (available for download from the APC website) provides advanced management capabilities, including graceful shutdown of connected servers, energy monitoring, and remote management. Connect the UPS to a computer via USB or serial cable to utilize this software.
5. Maintenance
5.1 Battery Replacement
The UPS features user-replaceable, hot-swappable lead-acid batteries. The LCD display will indicate when battery replacement is necessary. Always use genuine APC replacement battery cartridges (RBCs) to ensure optimal performance and safety. Refer to the battery replacement instructions provided with the RBC.
5.2 Cleaning
Periodically clean the exterior of the UPS with a soft, dry cloth. Do not use liquid or aerosol cleaners. Ensure ventilation openings are free from dust and obstructions.
5.3 Firmware Updates
Periodically check the APC website for available firmware updates for your UPS model. Firmware updates can provide enhanced features, improved performance, or bug fixes. Follow the instructions provided with the firmware update package carefully.
6. Troubleshooting
This section addresses common issues you might encounter with your UPS. For more detailed troubleshooting, refer to the full user manual available on the APC website.
Common Issues and Solutions:
- UPS does not turn on: Ensure the input power cord is securely connected to a live outlet. Verify the internal battery is connected.
- UPS is on battery power when utility power is present: Check the input power connection. Verify the utility voltage is within acceptable limits (viewable on the LCD).
- Battery will not charge: Ensure the UPS has been connected to utility power for at least 3 hours. If the issue persists, the battery may need replacement.
- Overload alarm: Disconnect non-essential equipment from the UPS until the overload condition clears. The total load should not exceed the UPS's capacity.
- Replace Battery indicator: The battery has reached the end of its service life and requires replacement.
If you encounter an issue not listed here or if the suggested solutions do not resolve the problem, contact APC technical support.
7. Specifications
| Feature | Specification |
|---|---|
| Model | SMX2000RMLV2U |
| Capacity (VA/Watts) | 1920 VA / 1800 W |
| Input Voltage | 120 V AC |
| Output Voltage | 120 V AC Nominal |
| Output Connections | 1 x NEMA L5-20R, 3 x NEMA 5-15R, 3 x NEMA 5-20R |
| Battery Type | Maintenance-free, Sealed, Spill-proof Lead Acid |
| Typical Recharge Time | 3 Hours |
| Communication Ports | RS-232 Serial, USB, SmartSlot |
| Form Factor | 2U Rack-mountable / Tower |
| Dimensions (H x W x D) | 3.3" x 17" x 26.3" (8.4 cm x 43.2 cm x 66.8 cm) |
| Weight | 84.77 lbs (38.45 kg) |
| Operating Temperature | 0 to 40 °C (32 to 104 °F) |
| Certifications | UL 1778, CSA, NOM, TUV, VCCI Class A, FCC Part 15 Class A, EN 50091-2, EN 55022 Class A |
8. Warranty and Support
8.1 Warranty Information
The APC Smart-UPS X 2000 (SMX2000RMLV2U) typically comes with a 3-year repair or replace warranty. Specific warranty terms may vary by region and purchase date. Please retain your proof of purchase for warranty claims.
8.2 Technical Support
For technical assistance, product information, or warranty inquiries, please visit the official APC by Schneider Electric website or contact their customer support directly. Have your product model number (SMX2000RMLV2U) and serial number ready when contacting support.
APC Website: www.apc.com





