Burst Electronics AS8x8 - Manual (Page 10)

required between WK and ##, example; WK,01 will
wake up ID address 01). A carriage return is required
after this command is entered.
SP (Sleep)
This command is used to stop an AS8x8 from acting
upon commands that may be sent to a different ID
addressed AS8x8 connected to the same RS232 line.
A sleep command is a global command, this means
that the command will put all units connected to
“sleep”. No carriage return is necessary.
AS8x8 Audio Routing Switch 9