Raritan PX3-3000 series, User Manual

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Chapter 6: Using the Web Interface
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To swap the master and slave device:

In the Bridging mode, you can swap the master and slave devices by
simply disconnecting ALL cascading cables from them, and then
reconnecting cascading cables. No changes to software settings are
required.

In the Port Forwarding mode, you must follow the procedure below:
a. Access the slave device that will replace the master device, and
set its role to 'Master', and correctly set the downstream
interface.
b. Access the master device, set its role to 'Slave'.
c. Swap the master and slave device now. You must disconnect ALL
cascading cables connected to the two devices first before
swapping them and reconnecting cascading cables.
To change the cascading mode applied to a chain:
1. Access the last slave device, and change its cascading mode.

If the new cascading mode is 'Port Forwarding', you must also
set its role to 'Slave'.
2. Access the second to last, third to last and so on until the first slave
device to change their cascading modes one by one.
3. Access the master device, and change its cascading mode.

If the new cascading mode is 'Port Forwarding', you must also
set its role to 'Master', and correctly select the downstream
interface.
The following diagram indicates the correct sequence. 'N' is the final
one.

M = Master device

S = Slave device