### PortServer Troubleshooting Guide

##### Introduction

- About This Guide
- Contacting Digi

##### Symptoms and Resolutions

- About the Symptoms and Resolutions Section
- Cannot Logon from a Modem Connection
- Cannot Logon from a Terminal
- Printer Is Not Working
- Cannot Telnet to the Digi Device

##### PortServer I Hardware Procedures

- Troubleshooting the Digi Device
- Running PortServer I Diagnostics
- PortServer Diagnostic Test Descriptions
- Resetting PortServer I Configuration to Defaults
- Verifying TFTP
- Troubleshooting TFTP

##### PortServer II Hardware Procedures

- Troubleshooting the Digi Device
- Running PortServer II Diagnostics
- PortServer II Diagnostic Test Descriptions
- Resetting PortServer II Configuration to Defaults
- Verifying TFTP
- Troubleshooting TFTP

##### PortServer TS 8/16 Hardware Procedures

- Troubleshooting the Digi Device
- Running Hardware Diagnostics
- Running the POST
- Resetting the PortServer TS 8/16 Configuration to Defaults
- Verifying TFTP
- Troubleshooting TFTP

##### Digi One RealPort and PortServer TS 2/4 Hardware Procedures

- Troubleshooting the Digi Device
- Running Hardware Diagnostics
- Running and Interpreting POST
- Resetting the Configuration to Defaults
- Verifying TFTP
- Troubleshooting TFTP

##### Network Procedures

- Troubleshooting the Network
- Telnetting to a Digi Device
- Verifying the Ethernet Cabling

##### Port Procedures

- Troubleshooting Port Problems
- Changing Port Configuration
- Conducting a Loopback Test

##### RealPort Operating System Procedures

- AIX: Verifying the RealPort Process
- HP-UX: Verifying the RealPort Process
- Linux: Verifying the RealPort Process
- SCO: Verifying the RealPort Process
- Solaris: Verifying the RealPort Process
- Windows NT: Verifying the RealPort Process
- Windows NT: Checking Port Settings
- Windows NT: Testing the Port Connection
- Windows 2000: Verifying the RealPort Process
- Windows 2000: Testing the Port Connections

##### Cabling Information

- Cable Guide

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All rights reserved.