Z – define own msn, Prty – asynchronous parity, Isdn specific at commands – Westermo ID-90 User Manual
Page 38: Bsize – set b channel blocksize, Llc – set low layer compatibility (llc)
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#Z – Define own msn
Defines the msn nn for the data port.
If the number is set to “*“ (default), all incoming calls are acceptable.
The msn can be displayed by command AT#H or AT&V1.
AT#Z=nn
The msn is automatically stored to non volatile ram.
**DBITS – Number of data bits x asynchronous chars (7,8)
Number of data bits x for asynchronous character (7, default: 8)
AT**DBITS=x
**PRTY – Asynchronous parity
Selects the parity for asynchronous characters.
0: no parity; 1: even parity; 2: odd parity
AT**PRTY=0
No parity (default)
AT**PRTY=1
Even parity
AT**PRTY=2
Odd parity
ISDN specific AT commands
Setting up special ISDN parameter:
(only one command is allowed per AT command)
**BSIZE – Set B channel blocksize
Defines the maximum length x of a data block transmitted or received in B channel
(default: BSIZE = 2048).
AT**BSIZE=x
Note: The value will be changed by setting the B channel protocol (ATBx).
**LLC – Set low layer compatibility (LLC)
Defines the LLC value for outgoing calls in hexadecimal format. In some situation a spe-
cific LLC value is required to pass detailed information about the used B channel protocol
to the called party. This can be done by setting the LLC to a fix value.
An empty parameter has to be entered by “-” (default: LLC is empty).
Example:
Deleting of LLC-value:
AT**LLC=-<
↵
>
Entering a new LLC:
AT**LLC=8890<
↵
>
Note: The value will be changed by setting the B channel protocol (ATBx).