6
Rear Panel Components
INDEX ITEM
DESCRIPTION
Outlets
Connect equipment to the uninterruptible power supply.
Output Circuit Breakers
Circuit breakers protect the UPS outlets from overload conditions.
TVSS Screw
The uninterruptible power supply features a transient voltage surge-suppression (TVSS)
screw for connecting the ground lead on surge suppression devices such as telephone
and network line protectors. When connecting a grounding cable, disconnect the
uninterruptible power supply from the utility power outlet.
Serial Port
Power management software and serial port communication can be used with the
uninterruptible power supply. Use only cables supplied or approved by IBM.
Note:
Use the supplied serial cable to connect to the serial port.
Do not
use a standard
serial interface cable because it is incompatible with the uninterruptible power supply
connector.
Bypass Switch
This switch will put the unit in bypass mode. See
Operation
.
EPO Terminal
The optional Emergency Power Off (EPO) feature enables connected loads to be
immediately de-energized from a remote location, without switching to battery
operation. See
Emergency Power Off (EPO) Option
.
Network Management Card
The Network Management Card (NMC) is factory installed in the uninterruptible power
supply.
Link-RX/TX (10/100) LED
Refer to the NMC documentation for details.
Status LED
Refer to the NMC documentation for details.
Reset on the NMC
Resets the NMC while the unit is connected to utility or battery power.
Ethernet Port on the NMC
Connects the uninterruptible power supply to the Ethernet network.
Universal Input/Output
Connectors on the NMC
Connect temperature sensors, temperature/humidity sensors, or relay input/output
connectors. Refer to the NMC documentation for details.
USB Connectors on NMC
Reserved for future use.
Console on the NMC
Connects the NMC to a local computer for initial configuration of network settings.
Provides access to the command line interface.
Optional Battery Pack
Connectors
Optional battery packs provide extended runtime during power outages.
See
3U Extend Run Battery Pack Operation and Setup Guide.
Input Fuse
The input fuse provides protection for the uninterruptible power supply from extreme
overloads.
Input power connector
Input power cord connects the uninterruptible power supply to utility power.
