Optional Equipment
11
3.0 OPTIONAL EQUIPMENT
3.1 Single-Module System Options
3.1.1 Matching Maintenance Bypass Cabinet
A matching Liebert NXL Maintenance Bypass cabinet is available. See Maintenance Bypass Cabinet
Installation Manual (SL-24532) for more details.
3.1.2 Battery Temperature Sensor
The optional external battery temperature sensor kit, supplied separately from the battery circuit
breaker, contains one probe and one temperature transport board.
3.1.3 Matching Liebert NXL Battery Cabinet
The optional matching Liebert NXL Battery Cabinet can be used to obtain the desired autonomy
time. The battery cabinets are designed to be either attached to the UPS or installed in a separate
battery room (for details, see the Liebert NXL Battery Cabinet installation manual, SL-25430, avail-
able at Liebert’s Web site www.liebert.com).
3.1.4 Matching Module Battery Disconnect—MBD
The optional Module Battery Disconnect (MBD) can be used as a battery disconnect between a bat-
tery system and the Liebert NXL UPS. The battery cabinets are designed to be either attached to the
UPS or battery cabinet or installed in a separate battery room (for details, see the Liebert NXL Bat-
tery Cabinet installation manual, SL-24530, available at Liebert’s Web site www.liebert.com).
3.1.5 Load Bus Synch
An optional Load Bus Synch (LBS) system can be used to synchronize two Liebert NXL UPSs or an
Liebert NXL UPS to a LiebertSeries 610 UPS (for details, see the Liebert NXL Load Bus Synch man-
ual, SL-30105, available at Liebert's Web site: www.liebert.com)
3.2 Communication and Monitoring
• Liebert IntelliSlot
®
Web Card - SNMP/HTTP Network Interface Card
• Liebert IntelliSlot
®
485 Web Card - Modbus, J-bus, IGM Net
• Remote Monitoring Services IntelliSlot Card
• RS485/422 Protocol Converter IntelliSlot Card
• Programmable Relay Board
• Input Contact Isolator Board
3.2.1 Alber Monitoring System
The matching Liebert NXL Battery Cabinet allows installing an optional Alber Battery monitoring
system in the cabinet. The Alber Battery Monitoring by Liebert continuously checks all critical bat-
tery parameters, such as cell voltage, overall string voltage, current and temperature. Automatic
periodic tests of internal resistance of each battery will verify the battery’s operating integrity. Addi-
tional capabilities include automatic internal DC resistance tests and trend analysis providing the
ability to analyze performance and aid in troubleshooting.
