Cabletron Systems 2H33-37R, 2H23-50R manual Changing the COM Port Application, Clearing Nvram

Chapter 5: Local Management

5.7.10.1 Changing the COM Port Application

After enabling the COM port as described in Section 5.7.10, one of the applications supported by the COM port (LM or UPS) can be selected. The default application is LM.

To change the COM port application:

1.Use the arrow keys to highlight the Application field.

2.Use the SPACE bar or BACKSPACE to step through the available settings until the operation you require displays. Table 5-3lists the available settings and their corresponding applications.

	Table 5-3 COM Port Application Settings
Setting		Application
LM		Local Management Session
UPS		APC Power Supply SNMP Proxy

3.Press ENTER to accept the application.

4.Use the arrow keys to highlight the SAVE command at the bottom of the screen, then press the ENTER key. The message “SAVED OK” displays, indicating that the edits are saved.

!

CAUTION

When the COM port is configured to perform the UPS application, all future Local Management connections must be made by establishing a Telnet connection to the device. Ensure that the device has a valid IP address before saving changes to the COM port application. If the device does not have a valid IP address and the changes are saved, refer to Appendix C for instructions on clearing NVRAM in order to reestablish COM port communications.

5.7.11 Clearing NVRAM

Clearing NVRAM results in the loss of all user-entered

!parameters. Do not proceed unless the following procedure is

CAUTION completely understood.

Clearing NVRAM allows the user to clear all user-entered parameters, such as the IP address and Community Names from NVRAM.

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