User guide

USR4204 User Guide
Page 2 of 69
Contents
Contents ............................................................................................................. 2
Symbols Used In This User Guide ........................................................................... 4
Important Safety Instructions ................................................................................ 5
Introduction ........................................................................................................ 6
Overview of Main Features ................................................................................. 6
Package Contents ............................................................................................. 7
Physical Features .............................................................................................. 8
Getting Started – Local Access ............................................................................... 9
Physical Installation ............................................................................................ 10
Standalone ..................................................................................................... 10
Rack Mounting ................................................................................................ 10
Connecting Network Devices ............................................................................... 11
Connecting to Network Device Console Ports ...................................................... 11
Connecting To Power Ports ............................................................................... 11
Remote Access .................................................................................................. 12
Setup Using an Analog Modem .......................................................................... 12
Setup Using a Cellular Modem .......................................................................... 14
Product Operation .............................................................................................. 17
User Interface ................................................................................................ 17
Menu Mode and Batch Mode Command Reference ............................................... 27
Security Features ............................................................................................ 42
Flashing the Firmware ........................................................................................ 49
Adding More Ports .............................................................................................. 50
Attaching a Slave USR4204 .............................................................................. 50
Addressing the Slave USR4204 ......................................................................... 50
Security Considerations ................................................................................... 50
Technical Specifications ...................................................................................... 51
Electrical ........................................................................................................ 51
Environmental ................................................................................................ 51
Product Dimensions and Weights ...................................................................... 52
FAQs and Troubleshooting ................................................................................... 53
General.......................................................................................................... 53
Configuring Cascaded USR4204 Units for Flow Control ......................................... 53