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Symptom: Trouble Accessing a Port
Chapter 20 Digi One/PortServer TS 2/4 Troubleshooting 89
Symptom: Trouble Accessing a Port
Introduction
Use this procedure if you are having trouble accessing a Digi One/PortServer TS 2/4 port. The specific
problem might be that you cannot logon from a terminal or the printer or modem is not working properly.
Assumptions
This discussion assumes the following:
• That the Digi One/PortServer TS 2/4 itself is working, that is, that it completes the boot cycle. If it is
not, see "Symptom: Digi One/PortServer TS 2/4 Does Not Boot" on page 88.
• That the network is working. This is a relevant consideration if the ports you are working with are
RealPort ports and if all RealPort ports are not working. The discussion in "Symptom: Cannot Telnet
to the Digi One/PortServer TS 2/4" on page 88 goes through the steps of validating the network con-
nection.
Procedures
Running Digi One/PortServer TS 2/4 Customer Diagnostics
Use this topic to run hardware diagnostic procedures to validate the Digi One/PortServer TS 2/4.
1. Connect a terminal to a Digi One/PortServer TS 2/4 port.
2. Configure the terminal to use the following settings:
• VT-100 emulation
• 9600 baud
• 8-bit characters
• 1 stop bit
• No parity
3. Reboot the Digi One/PortServer TS 2/4.
4. While the LED is blinking, press the v key while simultaneously depressing and holding the reset
button.
5. When the Customer Diagnostics Menu appears, select a test to perform.
Things to Try See ...
If this is a RealPort port and all ports are not
working, ensure that the RealPort process is run-
ning.
"Verifying the RealPort Process" on page 94
Verify Digi One/PortServer TS 2/4 port settings.
Check the port configuration in the Digi
One/PortServer TS 2/4 Command Reference.
Look under the set ports, set line, and set flow
commands for more information.
Verify the cabling to the peripheral See the Cable Guide for information.
- User Guide 1
- 92000305_E 2
- Contents 3
- Contents 4 4
- Contents 5 5
- Contents 6 6
- Introduction 7
- Step E: Configure Ports 8
- Supported Devices 9
- About This Guide 9
- About Configuration Methods 10
- Configuration Prerequisites 11
- Configuring the IP Address 12
- Starting Point 13
- Procedure 13
- Manual Configuration Example 15
- About DHCP and RARP 15
- In This Chapter 16
- About RealPort 16
- Configuration Options 17
- Configuration Considerations 18
- Printing with AIX Systems 19
- Using the lpd Protocol 19
- Command Line Example 21
- Configuring Ports for Modems 22
- Related Information 23
- Before You Begin 24
- Configuring A Hunt Group 25
- Port Defaults 27
- About Computer Connections 28
- Configuring PPP 29
- Chapter 7 Configuring PPP 30 30
- Chapter 7 Configuring PPP 34 34
- Modem Emulation 35
- Common User Scenarios 36
- Modem Emulation Cable Signals 37
- Chapter 8 Modem Emulation 38 38
- Function Result Code 39
- Commands 42
- S-Registers 43
- Result Codes 46
- Configuring Autoconnection 47
- Configuring UDP Multicast 51
- Configuring IP Routing 53
- Configuring Proxy ARP 55
- Configuring Modbus 57
- Configuring Security Features 59
- Default Access Restrictions 60
- Issuing User Passwords 61
- Password Protection 62
- Using a Public Key 62
- Service Levels 63
- Configuring DNS 64
- Configuration Procedures 65
- About Console Management 66
- Configuring Ports 67
- Configuring SSH 67
- Accessing Attached Devices 68
- Securing Console Access 69
- Configuring Port Buffering 70
- Configuring User Menus 70
- Configuring SNMP 71
- SNMP Management Agent 72
- SNMP Traps 72
- MIB Support 72
- Message Support 72
- Supported Traps 72
- Configuring Users 73
- Common User Features 74
- Configuring a User for a Menu 75
- Upgrading the Firmware 76
- HTTP Upgrade Procedure 77
- TFTP Upgrade Procedure 77
- Command Line 77
- HTTP Procedure 78
- TFTP Procedure 78
- Serial Power Feature 80
- Configuring RI Power 81
- Configuring DTR Power 81
- Serial Power Table 82
- Configuration Examples 83
- Illustration 84
- Configuration 84
- Configuration Notes 84
- Procedures 88
- Assumptions 88
- Troubleshooting TFTP Problems 91
- Pinging an IP Address 93
- Verifying the Network Cabling 93
- Digi Contact Information 97
- Specifications 98
- FCC Part 15 Class A 99
- ICES 003 Class A 100
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