9-5 
Configuration 
System clock displayed by the 
display clock command 
Example 
If date-time is not in the daylight 
saving time range, date-time is 
displayed. 
Configure: clock timezone zone-time add 
1, clock summer-time ss one-off 1:00 
2008/1/1 1:00 2008/8/8 2 and clock 
datetime 1:30 2008/1/1 
Display: 23:30:00 zone-time Mon 
12/31/2007 
[1], 2, 3 and 1 or 
[1], 3, 2 and 1 
date-time is in the daylight saving 
time range: 
If the value of 
“date-time”-“summer-offset” is not in 
the summer-time range, 
“date-time”-“summer-offset”  is 
displayed; 
If the value of 
“date-time”-“summer-offset” is in the 
summer-time range, date-time is 
displayed. 
Configure: clock timezone zone-time add 
1, clock summer-time ss one-off 1:00 
2008/1/1 1:00 2008/8/8 2 and clock 
datetime 3:00 2008/1/1 
Display: 03:00:00 ss Tue 01/01/2008 
 
Enabling/Disabling the Display of Copyright Information 
z  With the display of copyright information enabled, the copyright information is displayed when a 
user logs in through Telnet or SSH, or when a user quits user view after logging in to the device 
through the console port, AUX port, or asynchronous serial interface. The copyright information 
will not be displayed under other circumstances. The display format of copyright information is as 
shown below: 
****************************************************************************** 
* Copyright (c) 2004-2009 3Com Corp. and its licensors. All rights reserved. * 
* This software is protected by copyright law and international treaties.    * 
* Without the prior written permission of 3Com Corporation and its licensors,* 
* any reproduction republication, redistribution, decompiling, reverse       * 
* engineering is strictly prohibited. Any unauthorized use of this software  * 
* or any portion of it may result in severe civil and criminal penalties, and* 
* will be prosecuted to the maximum extent possible under the applicable law.* 
****************************************************************************** 
z  With the display of copyright information disabled, under no circumstances will the copyright 
information be displayed. 
Follow these steps to enable/disable the display of copyright information: 
To do…  Use the command…  Remarks 
Enter system view  system-view  — 
Enable the display of copyright 
information 
copyright-info enable 
Optional 
Enabled by default. 
Disable the display of copyright 
information 
undo copyright-info enable 
Required 
Enabled by default.