Low-Power Shutdown Mode with RS485 Shield V2

I’d like to use “Low-Power Shutdown Mode” with RS485 Shield V2

https://www.sparkfun.com/products/12965

Here is MAX481CSA data sheet.

in Page 11, There is description of “Lower Power shutdown mode”.

https://cdn.sparkfun.com/datasheets/Dev … 481csa.pdf

From Arduino, Can we use this mode with RS485 shield v2 ?

if it is not possible, What Hack can we do ?

I saw the circuit… but no idea… :o