Nortel Networks NN46225-300 manual Switch fails to open in Device Manager

76Appendix A Operation Problems with Device Manager

Serial Port tab on the Metro ESU 1800 and 1850

3Check to see that the port settings are:

•baudRate-9600

•SerialPortDataBits: 8

•SerialPortParityBits: None

•SerialPortStopBits: 1

•rs232PortConfig: console

If necessary, change the port settings to match those in this list.

—End—

Switch fails to open in Device Manager

If a switch does not open, Device Manager displays a timeout message. Timeouts can occur in slower networks and indicate that you need to increase your retransmission retries and timeout interval. For information about setting these values, refer to "Setting the Device Manager properties" (page 31).

If increasing the retransmission retries and timeout interval does not solve the problem, in the Open Device dialog box, make sure that you entered the correct read and write community information. For instructions on entering community strings, see "Opening a device" (page 36).

If the switch cannot be reached through IP (the management station cannot communicate with the switch), verify the following:

•Is the switch connected to the network?

Nortel Metro Ethernet Routing Switch 8600

Fundamentals — Using Device Manager

NN46225-300 02.02 Standard

4.21 October 2007

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