Rainbow Electronics FARGO MAESTRO 100 (with TCP_IP) - Manual (Page 156)

Serial Port Commands
Set DSR Signal &S
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WM_DEV_OAT_UGD_049 - 001 VOLUME 1 August 23, 2007
8.9 Set DSR Signal &S
8.9.1 Description
This command controls the Data Set Ready (DSR) signal.
8.9.2 Syntax
Action command
AT & S[<n>]
OK
Read command
None
Test command
None
8.9.3 Parameters and Defined Values
<n>: DSR signal control parameter
0 DSR always ON
1 DSR OFF in command mode, DSR ON in data mode (default
value)
8.9.4 Parameter Storage
The <n> parameter is stored in EEPROM using AT&W command. The default value
can be restored using AT&F.
8.9.5 Examples
Command Responses
AT&S0
Note: DSR always valid
OK
AT&S1
Note: DSR off in command mode, DSR on in
data mode
OK