Net-net 2610 Speed/Duplex

I need to change the config of the inside interface in our remote site. However, I'm concerned I may lose access to it while changing the NIC's settings. What do you think of the sample sequence of commands below:

>config box

config box> config interface eth1

config interface eth1> set admin disabled <<<<<<<<<<<<<I’m concerned with this config step

config interface eth1> set speed 100Mb

config interface eth1> set duplex full

config interface eth1> set admin enabled

config interface eth1> cancel

config box>

Will i lose network connectivity to remote site and render the box inaccessible in the process?

Manual says below for the 'admin' setting, which doesn't seem to be for shutting down the interface.