bit 0: Enable IP filter 
bit 1: Enable internet parameters (1 bit) 
When the IP address is set, this bit is enabled. 
After updating the parameters for the 
communication card, this bit changes to disabled. 
bit 2: Enable login password (1 bit) 
When you enter the login password, this bit is 
enabled. After updating the communication card 
parameters, this bit changes to disabled. 
bit 0: Enable password 
When the communication card is set with a 
password, this bit is enabled. When the password 
is cleared, this bit is disabled.