
Contents
RTU-2 iii
Contents
Regulatory Information ..........................................................................................................v
1 Introducing the RTU-2 .................................................................................. 1
Main Features .........................................................................................................................1
LED Indicators Description ......................................................................................................4
Product Registration ...............................................................................................................6
Technical Specifications ..........................................................................................................6
Conventions ............................................................................................................................7
2 Safety Information ....................................................................................... 9
Other Safety Symbols on Your Unit ......................................................................................11
Laser Safety Information .......................................................................................................12
Electrical Safety Information .................................................................................................13
Automatic Fan Speed Management ......................................................................................16
3 Getting Started with Your Unit ................................................................. 17
Preparing for Installation ......................................................................................................17
Installing the Optional Access (Junction) Panel .....................................................................18
Installing Your Unit and the Optional Front Access Panel in a Rack ......................................27
Grounding Your Unit ............................................................................................................31
Connecting a Monitoring Device to the Dry Contact Relays ..................................................33
Inserting and Removing Test Modules ..................................................................................37
Connecting RTUe-9110/RTUe-9120 External Switches to Your Unit ......................................40
Connecting Your Unit to a Power Source ..............................................................................42
Turning on Your Unit ...........................................................................................................50
Turning off Your Unit ...........................................................................................................51
Working With Your Unit for the First Time ............................................................................54
4 Maintenance ............................................................................................... 67
Accessing Your Unit Locally ..................................................................................................68
Accessing Your Unit Remotely ..............................................................................................69
Changing the Administrator Password .................................................................................70
Upgrading the Firmware .......................................................................................................72
Updating Your Unit With Local Firmware .............................................................................74
Replacing Fuses ....................................................................................................................77
Recalibrating Your Modules ..................................................................................................79
Recycling and Disposal .........................................................................................................79