O.T. - physically disconnecting ethernet cable programatically

[MLH]

Well one thing I've wanted to do is be
able to PHYSICALLY connect and dis-
connect a PC's xBASE-T connection
via program control. The idea is...

Instead of plugging your standard R-J45
EtherNET connector into the NIC, plug
it instead into a board with a switch on
it that will open and close the connection
of ALL 8 WIRES in the cable on a signal
from the computer. So the ethernet cable
is plugged into the board and another
cable goes from the board to the PC.
When the switch on the board is closed,
the internet connection is alive. When
the switch on the board is open, its just
as if someone reached behind the PC
and unplugged the ethernet cable.

Of course, it might be possible for a NIC
to be programatically disabled - I dunno.
I'm grasping for straws here.

Know of anything out there that addresses
this objective? Would entertain ideas on
building something.

[Bas Cost Budde]

The trouble with home brewn connectors is that they will likely
introduce -er what's that called- incorrect termination, reflection of
signals. 10Mb, maybe, 100Mb, certainly not.

How about putting a simple hub inbetween which you then can disconnect
using the good old coffee machine approach? There's ample information
about switching 230V-devices over your com-port.

MLH schreef:

Well one thing I've wanted to do is be
able to PHYSICALLY connect and dis-
connect a PC's xBASE-T connection
via program control. The idea is...

--
Bas Cost Budde
Holland

[ManningFan]

You're not going to be making circuit interrupt calls using Access
anytime soon. You should post this in a COBOL forum, or some other 1st
gen language forum.

MLH wrote:

Well one thing I've wanted to do is be
able to PHYSICALLY connect and dis-
connect a PC's xBASE-T connection
via program control. The idea is...

Instead of plugging your standard R-J45
EtherNET connector into the NIC, plug
it instead into a board with a switch on
it that will open and close the connection
of ALL 8 WIRES in the cable on a signal
from the computer. So the ethernet cable
is plugged into the board and another
cable goes from the board to the PC.
When the switch on the board is closed,
the internet connection is alive. When
the switch on the board is open, its just
as if someone reached behind the PC
and unplugged the ethernet cable.

Of course, it might be possible for a NIC
to be programatically disabled - I dunno.
I'm grasping for straws here.

Know of anything out there that addresses
this objective? Would entertain ideas on
building something.

[MLH]

On Tue, 19 Sep 2006 20:31:22 +0200, Bas Cost Budde
<b.*********@dev.null.comwrote:

>The trouble with home brewn connectors is that they will likely
introduce -er what's that called- incorrect termination, reflection of
signals. 10Mb, maybe, 100Mb, certainly not.

How about putting a simple hub inbetween which you then can disconnect
using the good old coffee machine approach? There's ample information
about switching 230V-devices over your com-port.

Am torn between telnet'ing in to the 3com linkswitch 1000
and simply disabling the port via SNMP - OR - opening
Network Connections from the control panel (or device manager)
and rite clicking the NIC & selecting DISABLE. I just want some-
thing that's easy to do and to UNdo programatically from VBA.

[MLH]

On 19 Sep 2006 12:40:19 -0700, "ManningFan" <ma********@gmail.com>
wrote:

>You're not going to be making circuit interrupt calls using Access
anytime soon. You should post this in a COBOL forum, or some other 1st
gen language forum.

I hope I don't have to make circuit interrupt calls. There's gotta be
another way to drop a connection.

[Smartin]

MLH wrote:

On 19 Sep 2006 12:40:19 -0700, "ManningFan" <ma********@gmail.com>
wrote:

>You're not going to be making circuit interrupt calls using Access
anytime soon. You should post this in a COBOL forum, or some other 1st
gen language forum.

I hope I don't have to make circuit interrupt calls. There's gotta be
another way to drop a connection.

Perhaps, but that's the closest you're going to come to "physically"
dropping a connection with software.

Are you familiar with the OSI model?
--
Smartin