3com 3C840 Guía Del Usuario
4
A
BOUT
T
HIS
G
UIDE
would access the IP sub-menu. Finally, from the IP sub-menu, you would
access the ARP Table page. This is specified as Monitor > Networks > IP
> ARP Table.
access the ARP Table page. This is specified as Monitor > Networks > IP
> ARP Table.
When accessing a page that requires data entry, press the Help icon
displayed in the Main area to obtain information about the each data
field on the page.
displayed in the Main area to obtain information about the each data
field on the page.
Safety Information
When using the unit, observe the following safety information:
■
Retain this user guide for later use and pass it on to subsequent
owners/managers of the unit.
owners/managers of the unit.
■
The power adapter supplied with the unit is fitted with a molded plug
for connection to a standard electrical mains system supply socket. If
this plug is not suitable for connection to your mains supply, contact
your reseller for advice. Do not attempt to connect to the mains
supply using an inappropriate mains adapter.
for connection to a standard electrical mains system supply socket. If
this plug is not suitable for connection to your mains supply, contact
your reseller for advice. Do not attempt to connect to the mains
supply using an inappropriate mains adapter.
■
Protect the unit from sudden, transient increases and decreases in
electrical power by fitting an in-line surge suppressor or
uninterruptible power supply.
electrical power by fitting an in-line surge suppressor or
uninterruptible power supply.
■
Products manufactured by 3Com are safe and without risk provided
they are installed, used, and maintained in good working order and in
accordance with their instructions and recommendations.
they are installed, used, and maintained in good working order and in
accordance with their instructions and recommendations.
■
Should any of the following conditions occur, isolate the electricity
supply and refer to your 3Com reseller.
supply and refer to your 3Com reseller.
■
If the case or cover is not correctly fitted.
■
If the case is damaged.
■
If the unit begins to make an odd noise, smell or smoke.
■
If the unit shows signs of a distinct change in performance.
■
Never install telephone wires during a thunder storm, or install
telephone connection sockets in wet locations (unless the socket is
specifically designed for wet locations).
telephone connection sockets in wet locations (unless the socket is
specifically designed for wet locations).
■
Do not touch uninstalled telephone wires or terminals unless the
telephone line has been disconnected at the network interface.
Always exercise caution when installing or modifying telephone lines.
telephone line has been disconnected at the network interface.
Always exercise caution when installing or modifying telephone lines.
■
Do not use a telephone that is connected to the unit to report a gas
leak in the vicinity of the leak.
leak in the vicinity of the leak.
840ug.book Page 4 Friday, July 7, 2000 2:23 PM