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Optivity Telephony Manager: System Administration - BT Business

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642 Maintenance applications<br />

4 The script appears in the command result section of the window, followed by the<br />

overlay output.<br />

<strong>System</strong> connection<br />

553-3001-330 Standard 3.00 August 2005<br />

End of Procedure<br />

Maintenance window applications connect to the system by a Pseudo TTY (PTY). A<br />

PTY is a “software only” TTY that uses an I/O port address. PTYs appear in the I/O<br />

Ports window. One PTY is used for all Maintenance Windows users connected to the<br />

system (even from multiple PCs). One PTY is used for each <strong>System</strong> Terminal<br />

connection, even if it is not logged in to the overlays.<br />

Queueing scripts<br />

If the system is currently processing another user’s script, your command is placed in a<br />

queue. You must wait until your script is finished processing before you can choose<br />

another Maintenance menu command. However, while you are waiting, you can<br />

perform maintenance tasks on another type of system component using a different<br />

Maintenance Windows application.<br />

Cancelling scripts<br />

IMPORTANT!<br />

The OTM <strong>System</strong> Terminal connections (Overlay Passthru, VT220, and Virtual <strong>System</strong><br />

Terminal) require two PTY ports for successful login. Upon login, the first PTY port<br />

disconnects immediately. If only one PTY port is free, a connection cannot be established.<br />

To remove a command from the queue or to cancel a command in progress, click Cancel.<br />

Pressing the key also removes or cancels a command. If a command is in<br />

progress, Cancel aborts the current command and overlay by sending four stars (****).<br />

Refreshing the hardware status in the list<br />

The hardware status in the list is updated as follows:<br />

The list is updated every few seconds, even if there is no activity on the OTM PC<br />

You specify the interval on a per-window basis. See the About Maintenance<br />

Windows item in the Help menu.

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