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Avocent CCM1640, CCM840 Configuring and using dial-inconnections, To specify a modem initialization string:, To connect to a device from the serial CLI port:

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Chapter 3: Operations	21

To connect to a device from the serial CLI port:

1.Issue a Server CLI command, using the Connect parameter to enable the use of the Connect command from the serial CLI port.

SERVER CLI CONNECT=ON

2.Issue a Connect command to the desired port. CONNECT <port>

3.To end a device session that was initiated with a Connect command, issue a Disconnect command.

DISCONNECT

For more information, see Server CLI command, Connect Command and

Disconnect Command in Chapter 5.

Configuring and using dial-in connections

You may attach an external modem to the serial CLI port for dial-in serial CLI access to the CCM. This may be used as a backup connection if the unit is not accessible from the network. It may also be used as a primary connection at remote sites that do not have Ethernet network capability. The modem must be Hayes compatible.

To specify a modem initialization string:

1.Issue a Show Server CLI command to ensure that the port where the modem is connected has been deﬁned as the serial CLI port.

SHOW SERVER CLI

2.Issue a Server CLI command, using the Modeminit parameter to specify the modem initialization string.

SERVER CLI MODEMINIT=“<string>”

The string must be enclosed in quotes and must include at least the command settings ATV1 and SO=1, which cause the modem to issue verbose response strings and auto-answer the phone on the ﬁrst ring. For more information, see Server CLI command in Chapter 5.

The modem initialization string is sent to the cabled modem when any of the following conditions occur:

•CCM initialization

•Detection of a transition of DSR from low to high

•Completion of a call when DCD changes from high to low

3.Upon successful modem connection, press the Enter key until the login prompt appears.

Contents

Page Page Page Page Table of Contents Page 1 Product Overview Page Chapter 1: Product Overview Features and Benefits Safety Precautions Rack mount safety considerations Using AVWorks Page Installation and Configuration Page Chapter 2: Installation and Configuration Hardware Overview Installing the CCM Configuring the CCM Configuring the IP address and subnet mask To conﬁgure the IP address and subnet mask using a Telnet CLI: To conﬁgure the CCM using the serial CLI: Initial CCM login Reinitializing the CCM 3 Operations Page Chapter 3: Operations Overview Configuring Serial Port Settings Connecting to Serial Devices Connecting to devices using Telnet Connecting to devices from the serial CLI port Configuring and using dial-inconnections Connecting to devices using PPP Connecting to devices using SSH SSH Authentication Methods Page Enabling plain text Telnet and SSH connections Telnet CLI mode Ending device sessions Session time-outs Managing User Accounts To change a user’s conﬁguration information: To end another user’s CCM session: To delete a user: To display user conﬁguration information: Access rights and levels Using Authentication Modes Authentication summary Using Security Lock-out Managing the Port History Buffer Using port history mode commands Port History Mode Commands To access port history mode: To control the port history buffer display when you connect: To control the port history buffer content when you end a session: To clear and discard all data in a port history buffer: Managing the CCM Using SNMP To add or delete SNMP management entity addresses: To enable or disable SNMP traps: To add or delete SNMP trap destination addresses: To add, copy or delete port alert strings: To display SNMP conﬁguration information: To display port alert string information: 4 Using CCM Commands Page Chapter 4: Using CCM Commands Accessing the CLI Entering Commands When commands take effect Understanding Conventions Command syntax Page Syntax conventions Command Summary CCM Command Summary (Continued) Page Page Page 5 CCM Commands Page Chapter 5: CCM Commands Connect Command Disconnect Command Help Command Port Commands Port Alert Add command Port Alert Copy command Port Alert Delete command Port Break command Port History command Port Logout command Port Set command Page Quit Command Resume Command Server Commands Server CLI command Server FLASH command Server PPP command Server RADIUS command Server Reboot command Server Security command Server Set command Server SNMP command Server SNMP Community command Server SNMP Manager command Server SNMP Trap command Server SNMP Trap Destination command Server SSH command Show Commands Show Port command Page Show Port Alert command Show Server command Show Server CLI command Show Server PPP command Show Server RADIUS command Show Server Security command Show Server SNMP command Show User command SPC Command User Commands User Add command Page User Delete command User Logout command User Set command User Unlock command Page Appendices Page Appendices Appendix A: Technical Specifications Appendix B: Device Cabling Page RJ-45modular adaptors and cables Page Appendix C: Ports Used Appendix D: Technical Support