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Monitoring of the DTR Signal<br />

Accessing the Console System 2 - 17<br />

The Aironet 340 Series Bridge monitors the state of the Data Terminal<br />

Ready (DTR) signal. This signal is used to indicate the presence or<br />

absence of a DTE <strong>de</strong>vice connected to the Console Port.<br />

If the state of the signal changes (up or down) the following actions will<br />

occur (unless a telnet session is in progress):<br />

n Any currently executing command or display will be terminated<br />

n Current menu will be returned to the Main Menu<br />

n Console Privilege Menu will be set back to the highest level not<br />

requiring a password.<br />

If the Console is configured for hardware flow control and the DTR signal<br />

is currently down, all output will be discar<strong>de</strong>d. The bridge would<br />

assume flow is off and the Console would eventually lock up.<br />

If the cable used does not have the DTR signal connected it will not<br />

change state and no action will be taken.

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