GET 1 invalid
ERROR 1 Command not found
SET 2 invalid nonsense
ERROR 2 Command not found

SET 3 enable-ps 901990000000001
SET_REPLY 3 enable-ps OK
SET 4 status-ps 901990000000001
SET_REPLY 4 status-ps 1
SET 5 enable-ps 901990000000001
SET_REPLY 5 enable-ps OK
SET 6 status-ps 901990000000001
SET_REPLY 6 status-ps 1

SET 7 disable-ps 901990000000001
SET_REPLY 7 disable-ps OK
SET 8 status-ps 901990000000001
SET_REPLY 8 status-ps 0
SET 9 disable-ps 901990000000001
SET_REPLY 9 disable-ps OK
SET 10 status-ps 901990000000001
SET_REPLY 10 status-ps 0

SET 11 enable-ps 901990000000001
SET_REPLY 11 enable-ps OK
SET 12 status-ps 901990000000001
SET_REPLY 12 status-ps 1