RT8kVA and RT11kVA 6U Rack or Tower Uninterruptible Power Supplies


Abstract

The RT8kVA and RT11kVA 6U Rack or Tower Uninterruptible Power Supply (UPS) offerings provide extended power protection with increased efficiency and simplified power management to safeguard high-availability of System x® and ThinkServer® server environments. With efficiency ratings of up to 98%, these compact 6U rack or tower designs can help reduce energy usage without compromising performance or reliability.

The 6U Rack or Tower UPS units can be installed in a data center rack cabinet or can be used as tower UPS units in office and distributed IT environments where extended power protection is required.

Change History

Changes in the September 25 update:

  • Clarified that the Extended Battery Module (EBM) has a three-year warranty

Introduction

The RT8kVA and RT11kVA 6U Rack or Tower Uninterruptible Power Supply (UPS) offerings provide extended power protection with increased efficiency and simplified power management to safeguard high-availability of System x® and ThinkServer® server environments. With efficiency ratings of up to 98%, these compact 6U rack or tower designs can help reduce energy usage without compromising performance or reliability.

The 6U Rack or Tower UPS units can be installed in a data center rack cabinet or can be used as tower UPS units in office and distributed IT environments where extended power protection is required.

The 6U Rack UPS unit (RT8kVA or RT11kVA) is shown in Figure 1.

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Figure 1. RT8kVA or RT11kVA 6U Rack UPS unit (Power module (top) and Battery module (bottom))

Did you know?

6U Rack or Tower UPS units feature Advanced Battery Management (ABM) technology that uses a unique three-stage charging technique that significantly extends battery service life and optimizes recharge time, compared to traditional charging methods.

6U Rack or Tower UPS units come standard with the Maintenance Bypass module, which enhances system availability by providing service continuity during UPS maintenance and upgrades.

6U Rack or Tower UPS units come standard with UPS Manager software that integrates seamlessly with the major virtualization platforms, which enables you to view and manage your entire power system from your current dashboard. It also triggers live migration during power outages and avoids data loss by gracefully shutting down virtual machines and hosts in a cluster if there is an extended power outage.

Ordering information

Table 1 shows the part numbers and feature codes for the 6U Rack or Tower UPS models and options.

Table 1. Part numbers and feature codes

Description Part number Feature code (MTM 5594-RU8)
UPS units
IBM RT8kVA 6U Rack or Tower UPS (200-240VAC) 55948KX A543
IBM RT8kVA 6U 3:1 Phase Rack or Tower UPS (380-415VAC) 55948PX A546
IBM RT11kVA 6U Rack or Tower UPS (200-240VAC) 55949KX A544
IBM RT11kVA 6U 3:1 Phase Rack or Tower UPS (380-415VAC) 55949PX A547
Extended Battery Modules (EBMs)
8kVA/11kVA 3U Rack or Tower Extended Battery Module 55949BX A545
Options
Environmental Monitoring Probe 46M4113 6146

The RT8kVA and RT11kVA 6U Rack or Tower UPS models are shipped standard with the Network Management Card (NMC) installed and include the following items:

  • A power module
  • A battery module
  • A Maintenance Bypass module (MBP) with the hardwired MBP detection cable and two hardwired power cables for connections to the power module’s terminal block
  • An accessory kit that contains the following items:
    • Rack-mount kit
    • Rack installation instructions
    • Tower kit
    • Serial cable: 3.7 m (12 ft)
    • USB cable
    • Remote On/Off (ROO) and Remote Power Off (RPO) connector
    • Battery power cable
    • Battery detection cable
  • A documentation kit that contains the following items:
    • Warranty flyer
    • Important Notices Manual
    • Documentation CD
    • Software CD, which contains UPS Manager power management software

The Extended Battery Modules are shipped with the following items:

  • An accessory kit that contains the following items:
    • Rack-mount kit
    • Tower kit
    • EBM power cable
    • EBM detection cable
  • A documentation kit that contains the following items:
    • Warranty flyer
    • Important Notices Manual
    • Documentation CD

The RT8kVA and RT11kVA 6U Rack or Tower UPS units have a hardwired terminal block connector for AC input power.

All 6U Rack or Tower UPS models come standard with a NMC installed. The NMC provides convenient, over-the-network UPS remote monitoring and management through a standard web browser or UPS Power Manager UPM software. Figure 2 shows the UPS NMC.

UPS Network Management Card
Figure 2. UPS Network Management Card

The NMC includes the following features:

  • Versatile connectivity through HTTP, SNMP, SMTP, Telnet, SSL, and SSH
  • Simultaneous shutdown of protected servers
  • Configuration of automatic email messages in response to UPS alarms and to transmit reports
  • Customizable actions, including automatic shutdown if there is an extended power failure with standard UPS Power Protector software
  • Control of UPS on/off switching with a web browser
  • Adjustment and control of load segments through the HTML interface, including sequential starting of the installation and optimization of backup time by shutting down non-priority systems
  • Automatic date and time adjustment through an NTP server
  • Dual stack IP v4/IP v6
  • Recording of events and measurements in the card log
  • Data and event logging in the nonvolatile memory
  • Card firmware update through the network
  • 10/100 Mb Ethernet (RJ-45 connector) with auto-negotiation
  • Measurement of humidity and temperature with the optional Environmental Monitoring Probe (EMP)

An optional EMP (part number 46M4113) is used to report local temperature and humidity values and make that information available to management tools. The EMP connects to the UPS via the NMC. The EMP is shown in Figure 3.

Environmental Monitoring Probe (EMP)

Figure 3. Environmental Monitoring Probe

The Environmental Monitoring Probe has the following features:

  • Monitors temperature, humidity, and status of two user-provided contact devices or sensors
  • Connects to an NMC through an RJ-45 CAT5 Ethernet cable (1 m cable that is included with the EMP)
  • Can be located up to 20 m (65.6 ft) from the UPS
  • Measures ambient temperatures between 0 – 80 °C (32 – 176 °F), with an accuracy of ±1 °C (33.8° F)
  • Measures relative humidity between 10 – 90%, with an accuracy of ±5%
  • Displays temperature, humidity, and contact closure status through a Web browser
  • Supports user-defined alarm thresholds for temperature, humidity, and contact closure status
  • Stores events in the NMC’s event log
  • Sends SNMP alarms to network management systems
  • Sends email notifications through SMTP

Features

A UPS is a device that acts as a defensive barrier between electronic equipment and incoming power problems. It conditions, regulates, and filters out power disturbances to ensure a clean power source for IT equipment. A UPS also provides battery backup if there is a power failure.

In today’s high availability server environments, unplanned power outages or line quality irregularities can have a considerable financial impact on all sized businesses. The typical utility power is 99.9% available, but that means that there can be almost 9 hours of downtime a year, not to mention brownouts and other power quality problems. Selecting the right UPS can help protect against these potentially costly issues.

The RT8kVA and RT11kVA 6U Rack or Tower UPS units protect against the following power problems: power failures, power sags, power surges, under-voltage, electrical line noise, over-voltage, frequency variation, switching transients, and harmonic distortion.

The RT8kVA and RT11kVA 6U Rack or Tower UPS models offer the following features:

  • High-efficiency protection delivers more real power (Watts) in a compact tower or 6U rack design, which lowers power and cooling consumption
  • Graphical Liquid Crystal Display (LCD) provides intuitive configuration, management, and monitoring capabilities in the following languages to reduce management complexity:
    • English
    • French
    • German
    • Spanish
    • Russian
    • Portuguese
    • Italian
  • Hot-swappable batteries for maximum uptime, availability, and ease of maintenance
  • Standard UPS Power Manager software provides effective local or remote power monitoring and management for servers and virtual machines, and allows for graceful remote system shutdown
  • ABM technology significantly extends battery service life and optimizes recharge time
  • Optional external battery modules (EBMs) provide extra run time to critical systems during a prolonged power outage
  • Standard NMC provides enhanced UPS monitoring and control over-the-network through a standard web browser
  • Optional Environmental Monitoring Probe provides thermal management requirements (temperature and humidity)
  • Standard Maintenance Bypass enhances availability by providing service continuity during UPS maintenance and upgrades
  • Provides dual channel communication through the USB or RS-232 port and an NMC at the same time to maximize communications flexibility
  • Flash upgrades firmware for both the UPS and the NMC, which makes it an ideal solution for remote locations
  • Includes ROO and RPO connectors to control power of the UPS unit through a wired remote switch

Technical specifications

Table 2 lists the technical specifications for the 8kVA and 11kVA 6U Rack or Tower UPS models.

Table 2. Technical specifications
Specification RT8kVA 6U Rack or Tower UPS (200-240VAC) RT8kVA 6U 3:1 Phase Rack or Tower UPS (380-415VAC) RT11kVA 6U Rack or Tower UPS (200-240VAC) RT11kVA 6U 3:1 Phase Rack or Tower UPS (380-415VAC)
General
Part number 55948KX 55948PX 55949KX 55949PX
Form factor 6U Rack or Tower 6U Rack or Tower 6U Rack or Tower 6U Rack or Tower
Topology Online, double conversion, sinewave output
VA/Watts rating 8000 VA
7200 W
8000 VA
7200 W
11000 VA
10000 W
11000 VA
10000 W
Efficiency (on utility power)
  • Online mode: Up to 94.5%
  • High efficiency mode: Up to 98%
Transfer time
  • Online mode: 0 ms (no break)
  • High efficiency mode: 10 ms maximum (due to loss of utility power)
Energy Star compliant Yes No Yes No
Electrical input
Input voltage 200 – 240 V AC, 1-Phase 380 – 415 V AC, 3-Phase 200 – 240 V AC, 1-Phase 380 – 415 V AC, 3-Phase
Input frequency 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz
Max input amperage 40 A 40 A 50 A 50 A
Input connector Hardwired terminal block
Input line cord Onsite wiring required
Electrical output
Output voltage settings 200/208/220/230/240 V AC 200/208/220/230/240 V AC
Output frequency 50/60 Hz 50/60 Hz
Output power capacity 200 – 240 V AC: 8000 VA/7200 W
  • 200-208 V AC: 10000 VA/9000 W
  • 220 V AC: 11000 VA/9900 W
  • 230-240 V AC: 11000 VA/10000 W
Output connectors 4x IEC 320-C19 (16 A) (on the MBP) 4x IEC 320-C19 (16 A) (on the MBP)
Batteries
Battery type Valve Regulated Lead Acid (VRLA): Maintenance-free, sealed, leak-proof
Battery management ABM technology or temperature-compensated charging method (user selectable), automatic battery test and deep discharge protection, and automatic recognition of external battery units
Battery replacement Hot-swap standard and extended battery modules
External battery support Up to 4 (PN 55949BX)
Typical backup times See Table 3
Communications and management
USB port (Type B) Yes Yes Yes Yes
RS-232 serial port (RJ-45) Yes Yes Yes Yes
10/100 Mbps Ethernet port (RJ-45) Yes (on the Network Management Card)
Environmental monitoring Optional with Environmental Monitoring Probe, 46M4113 (connects to the Network Management Card)
Management software UPS Power Manager and UPS Power Protector
Control panel Intelligent 5-button graphical LCD
LED indicators Online, On Battery, Bypass, and Fault
Remote On/Off and Power Off Remote On/Off and Remote Power Off terminal block connectors

Table 3 lists the expected period that the 6U Rack or Tower UPS models operates only on batteries, depending on the load.

Note: Battery backup times are approximate and can vary with equipment, configuration, battery age, and temperature.

Table 3. 6U Rack or Tower UPS runtime chart
Load
Run time, Minutes
Percentage Watts Standard battery module 1x EBM 2x EBMs 3x EBMs 4x EBMs
RT8kVA 6U Rack or Tower UPS (1-phase or 3-phase)
25% 1800 W 35 85 140 173 220
50% 3600 W 16 36 65 86 118
75% 5400 W 9 23 36 53 72
100% 7200 W 5 16 27 36 50
RT11kVA 6U Rack or Tower UPS (1-phase or 3-phase)
25% 2500 W 25 60 97 136 163
50% 5000 W 10 25 42 61 79
75% 7500 W 5.5 15 25 37 48
100% 10000 W 3 10 18 25 34

Connectors and controls

The 6U Rack or Tower UPS units have a 5-button graphical LCD on the front. It provides useful information about the UPS itself, load status, events, measurements, and settings.

Figure 4 shows the control panel on the front of the 6U Rack or Tower UPS.

Control panel on the front of the 6U Rack or Tower UPS
Figure 4. Control panel on the front of the 6U Rack or Tower UPS

The following functions are available on the control panel:

  • Status information: Displays the battery status, load percentage, output power, operational mode, and load group information.
  • Measurements: Displays the output Watts/VA, amperage, power factor, voltage, frequency, input voltage, input frequency, battery voltage, efficiency, and power usage.
  • Control: Displays the battery test, reset error state, configure load segments, clear power usage measurements, and restore settings.
  • Settings: Allows you to change product general parameters and set input and output parameters, on/off conditions, and battery configuration.
  • Event log: Displays the stored events, selects faults, alarms and events to display, and clears events.
  • Fault log: Displays the event log and alarm history.
  • Identification: Displays the machine type, model, and serial number of the unit, and the firmware level of the UPS, including the NMC’s firmware level and IP address.

Figure 5 shows the rear view of the RT8kVA or RT11kVA 6U Rack or Tower UPS (200-240VAC).

Rear view of the 1-phase 6U Rack or Tower UPS (200-240VAC) (RT8kVA or RT11kVA)
Figure 5. Rear view of the RT8kVA or RT11kVA 6U Rack or Tower UPS (200-240VAC)

Figure 6 shows the rear view of the RT8kVA or RT11kVA 6U 3:1 Phase Rack or Tower UPS (380-415VAC).

Rear view of the RT8kVA or RT11kVA 6U 3:1 Phase Rack or Tower UPS (380-415VAC)
Figure 6. Rear view of the RT8kVA or RT11kVA 6U 3:1 Phase Rack or Tower UPS (380-415VAC)

Figure 7 shows the rear view of the 8kVA/11kVA 3U Rack or Tower Extended Battery Module (55949BX).

Rear view of the 8kVA/11kVA 3U Rack or Tower Extended Battery Module (55949BX)
Figure 7. Rear view of the 8kVA/11kVA 3U Rack or Tower Extended Battery Module (55949BX)

Physical specifications

The RT8kVA and RT11kVA 6U Rack or Tower UPS Power Modules have the following physical specifications (approximate):

  • Height: 130 mm (5.1 in.)
  • Width: 441 mm (17.4 in.)
  • Depth: 700 mm (27.6 in.)
  • Weight:
    • 8kVA 1-phase (55948KX): 19 kg (42 lb)
    • 8kVA 3-phase (55948PX): 23 kg (51 lb)
    • 11kVA 1-phase (55949KX): 21 kg (46 lb)
    • 11kVA 3-phase (55949PX): 23 kg (51 lb)

The 8kVA/11kVA 3U Rack or Tower Extended Battery Module has the following physical specifications (approximate):

  • Height: 130 mm (5.1 in.)
  • Width: 441 mm (17.4 in.)
  • Depth: 680 mm (26.8 in.)
  • Weight: 65 kg (143 lb)

Operating environment

The RT8kVA and RT11kVA 6U Rack or Tower UPS units are supported in the following environments:

  • Temperature (operation): 0 – 40 °C (32 – 104 °F), with linear derating for altitude
  • Relative humidity: 0 – 95%
  • Maximum altitude (operation): 3,000 m (9,843 ft)

Note: These UPS units are not supported in a maritime environment.

Agency approvals

The RT8kVA and RT11kVA 6U Rack or Tower UPS units conform to the following regulations:

  • FCC
  • UL
  • CSA or cUL
  • CE Mark
  • NOM
  • GOST
  • BSMI Taiwan
  • CB Report
  • VCCI
  • C-Tick (Australia)
  • IRAM (Argentina)

Warranty

The RT8kVA and 11kVA 6U Rack or Tower UPS models and the Extended Battery Module (EBM) have a 3-year limited warranty. Optional features have a 1-year warranty.

Management software

Optional software can be downloaded to be used the UPS units. This software is the UPS Power Manager (UPM) and UPS Power Protector (UPP) software. The UPM software can manage multiple devices. The UPP software is used to manage a single device. Note that a device refers to a UPS or a PDU.

UPS Power Manager

The UPM software is free to use for up to 10 devices (PDUs or UPS units). Download the software from the following links:

For up to 100 devices, a Silver license can be purchased. For up to 600 devices, a Gold license can be purchased. The following table shows the part number ordering information for each version of the UPM software.

Table 4. UPM part numbers
Part Number Feature Code Description
None None Basic (free) UPM software (1-10 devices can be managed)
00YE464 ATS2 Silver key license (up to 100 devices can be managed)
00YE465 ATS3 Gold key license (up to 600 devices can be managed)

The purchase of a Silver or Gold license adds additional management features not found in the Basic license. The following table shows the UPM licenses and features for each license when managing Lenovo UPS units.

Table 5. UPM feature comparison
Features of UPM Basic Silver Gold
Number of devices (UPS or PDU) Up to 10 Up to 100 Up to 600
Protected Server (UPP) and Virtual Server Yes Yes Yes
Storage Shutdown Module Yes Yes Yes
Generic Drivers and Third Party Devices Yes Yes Yes
Configuration Policy Yes Yes Yes
Advanced Event Action with Standard Events No Yes Yes
Miscellaneous Advanced Actions

  • Generic SSH action
No Yes Yes
Basic Power Actions

  • Shutdown Storage
  • Shutdown Virtual Hosts
  • Shutdown Virtual Machines
  • Enter/Exit Maintenance Mode
Yes Yes Yes
Advanced Power Actions

  • Virtual Machines:
    • Load shedding
    • Shutdown targeted Virtual Machines
    • Migrate Virtual Machines to Target
  • Hosts:
    • Shutdown VMware vApp
    • Automate VMware SRM Recovery Plan
No Yes Yes
Fully virtualized cluster shutdown No Yes Yes
OpenStack monitoring and control No No Yes

UPM brings managing various power and environmental devices under control through a single, web-based interface. The UPM software solution ensures system uptime and data integrity by allowing you to monitor, manage, and control the devices on your network remotely.

The UPM user interface is shown in the following figure.

UPS Power Manager user interface
Figure 8. UPM User Interface

The UPM software offers the following features:

  • Monitors and manages multiple power and environmental devices from a web browser or your virtual machine management dashboard
  • Seamlessly integrates into popular virtualization infrastructures, including VMware ESXi, Microsoft Hyper-V, Citrix XenServer, and Linux KVM
  • Triggers live migration for virtual machines during power outages
  • By using a user-definable tree structure, enables grouping, access, and management of multiple devices across multiple locations
  • Monitors power consumption, which helps track ways to improve energy efficiency
  • Uses auto discovery to provide fast installation by automatically detecting devices on the network
  • Mass-upgrades firmware, which reduces network management card setup and maintenance time

UPS Power Protector

The UPP software is free to download and use. Download it from the following links:

UPP software facilitates automatic, graceful shutdown of computers, servers, and network devices that are powered by a UPS, which saves all work-in-progress and ensures data integrity. UPP’s user interface provides detailed information about connected servers and UPS units through USB and serial or network communication.

The UPP user interface is shown in the following figure.

UPS Power Protector user interface
Figure 9. UPP User Interface

The UPP software offers the following features:

  • Helps avoid data loss by gracefully shutting down computers and virtual machines or servers that are powered by a UPS during an extended power outage
  • Keeps servers running smoothly by automatically identifying hang-ups and rebooting the machine by using a watchdog capability
  • Provides redundancy capability for dual-cord servers
  • An easy-to-use web browser interface
  • Communicates with the protected device directly (via USB or serial) or through the network (via NMC)

Supported servers

The RT8kVA and RT11kVA 6U Rack or Tower UPS offerings are compatible with all System x and ThinkServer servers and other devices that require AC power.

To determine the best fit UPS for a particular configuration, the following needs to be considered:

  • Total power load of the hardware that will be connected to the UPS
  • Number and type of outlets required
  • UPS outlet and group limitations for connecting the hardware to the UPS

To determine chassis, node and server overall power capacities, use the Power Configurator tool. The tool can be downloaded from http://support.lenovo.com/documents/LNVO-PWRCONF

To determine the power draw of other devices such as storage and switching that will be attached to the UPS, refer to the products user manual for the maximum power draw.

For additional technical information on the UPS line cords, outlets and grouping refer to the UPS Technical Reference, https://support.lenovo.com/docs/UM104477

Supported rack cabinets

The RT8kVA and RT11kVA 6U Rack or Tower UPS units can be installed in the compatible rack cabinets that are listed in Table 4.

Table 6. Rack cabinets

Part number Description
201886X 11U Office Enablement Kit
93072RX 25U Standard Rack
93072PX 25U Static S2 Standard Rack
93634PX 42U 1100mm Dynamic Rack
93634EX 42U 1100mm Dynamic Expansion Rack
93604PX 42U 1200mm Deep Dynamic Rack
93604EX 42U 1200mm Deep Dynamic Expansion Rack
93614PX 42U 1200mm Deep Static Rack
93614EX 42U 1200mm Deep Static Expansion Rack
93084PX 42U Enterprise Rack
93084EX 42U Enterprise Expansion Rack
93074RX 42U Standard Rack
93074XX 42U Standard Rack Extension
93624PX 47U 1200mm Deep Static Rack
93624EX 47U 1200mm Deep Static Expansion Rack
93634AX PureFlex® System 42U Rack
93634BX PureFlex System 42U Expansion Rack
93634CX PureFlex System 42U Rack
93634DX PureFlex System 42U Expansion Rack

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