3Com Network Jack NJ2000
Page 5 of 44
Copyright © 2009 3Com Corporation. All Rights Reserved.
System Identity
This section contains general information about the switch.
System Name
,
System Location
, and
System Contact
are set in the
SYSTEM > Name
page. The
Software Version
changes when a new
version of software is updated on the switch from the
SYSTEM> Tools
page. The
Number of
Ports
,
Hardware Version
, and
Serial Number
values are created when the switch is manufactured
and cannot be changed.
Address Information
IP Address
,
Subnet Mask
and
Gateway IP Address
are set from the
SYSTEM > IP Address
page.
Management VLAN
and
MAC Address
are fixed during manufacture and are provided here
for information.
Port Information
This table contains one row for each port on the switch. Each row is divided into eight columns as
follows:
Port
- The front-panel port number.
Type
- All ports on this switch are 10/100/1000BASE-T.
Link Status
-
Up
indicates that the port is connected to another device
. Down
indicates
there is no connection.
The front-panel "image" that is always visible at the top of the page,
also displays this information.
Speed/Duplex Status
- An indication of the speed and duplex setting of the port. This is a
number, the speed in Mbps, followed by either
FDX
for full-duplex or
HDX
for half-
duplex. This can be changed on the
PORTS > Configuration
page.
Flow Control Status
-
Enabled
indicates that Flow Control has been enabled on the
PORTS > Configuration
page.
Auto-negotiation
- Auto-negotiation is
Enabled
by default and is only
Disabled
when a
Speed/Duplex
setting other than
Auto
is selected on the
PORTS > Configuration
page.
Frame Type
-
Tagged
means that the port will only send and receive VLAN-tagged
frames. When set to
All
the port will also send and receive untagged packets. See
VLANS
> Port Config
for more information.
PVID
- The
Port VLAN ID
. When
Frame Type
is set to
All
, untagged packets arriving on
the port will be associated with this VLAN. See
VLANS > Port Config
for more
information.
