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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).