Cbpwd – callback/secure access password, Ccts – cts control, Cdcd – dcd control – Westermo ID-90 User Manual
Page 73: Cdsr – dsr control, Cdtr – dtr control

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cbpwd – callback/secure access password
This command is used to store the password used in the callback and the secure access
functionality.
Three different passwords can be stored.
Example:
AT**cbpwd1=qwerty
AT**cbpwd2=asdfgh
AT**cbpwd3=zxcvbnm
The password may contain any writable character.
The maximum number of characters is 20.
see also the following commands: catab, cb, capa
ccts – CTS control
CTS control
0: CTS follows RTS
1: CTS always ON (default)
2: CTS follows DTR
cdcd – DCD control
DCD control
0: DCD always ON
1: DCD indicates a connection (default)
2: DCD follows DTR
3: DCD indicates link level established (X.31-D only)
cdsr – DSR control
DSR control
0: DSR always ON (default)
1: DSR indicates a connection
2: DSR follows DTR
cdtr – DTR control
Usage of DTR to control ISDN connection
0: No control:
Incoming calls will be accepted independent of DTR status;
DTR drop does not disconnect an active connection.
2: DTR off disconnects (default)
Incoming calls will be accepted only when DTR is ON;
DTR drop disconnects an active connection.
4: DTR is evaluated: Incoming calls will be accepted independent of DTR
status; DTR drop disconnects an active connection