Operating the DVI KVM over IP
USB Control
In multicast mode, the Operation Mode for both Sender and Receiver units are automatically set to Active per request mode.
Under Active per request mode, multiple USB devices may be present on one or more Receiver units. However, only one Receiver unit can have USB control at a time.
By default, the first Receiver unit connected to the system will have USB control.
In the example, below, Receiver unit R2 currently has control (we arbitrarily connected Receiver unit R2 before Receiver unit R1).
Figure 2.10 - Receiver unit R2 currently has USB control.
DVI Out
Receiver unit
LAN
| R |
| 2 |
DVI Out | Receiver unit |
|
| R | 07 |
| Sender unit |
| 1 |
|
| |
|
|
| S | |
07 |
|
|
| 2 |
| Sender unit |
|
| |
|
| S | 07 | USB cable |
|
| 1 |
|
|
05 | DVI In |
|
Sender unit
S3
DVI In
09
DVI In
Now, let’s look at an example of switching USB control between two Receiver units. Using the diagram, above, we want Receiver unit R1 to have USB control. To assign USB control to another Receiver unit, follow the steps on the next page.
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