Troubleshooting the Console Interface

Chapter 2 Cabling and Troubleshooting the CSS

Troubleshooting the CSS Hardware Components

Table 2-13lists common communications problems that may exist between the CSS and a console. Ensure the console settings are configured to:

•Baud Rate - 9600

•Data Bits - 8

•Parity - none

•Stop Bits -1

•Flow Control - none

For information on console cable pinouts, refer to Appendix B, Cable Connector Pinouts.

Table 2-13 Troubleshooting the Console Interface

Possible Problem	Recommended Action

Nothing appears on the screen.	Ensure that the RS-232 cable is
	securely connected to the console port.

Characters appear on the screen, but	Verify that the CSS and the console
are garbled.	settings match with respect to baud
	rate, data bits, stop bits, and parity.

Abbreviated input is used, but pressing	Ensure that you enter a sufficient
the tab key does not enter the command	number of characters for the CSS to
you want.	distinguish between different
	commands and options.

Random characters are lost.	Set the flow command on the console
	to XON/XOFF.

	Cisco 11500 Series Content Services Switch Hardware Installation Guide
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Cisco Systems 11500 Series manual Troubleshooting the Console Interface