Westermo IDW-90 AT User Manual

Page 50

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6620-3200

cmds – Command set (note 1, page 85)
Command set for connection control

0:   AT command set (default)

  6:   Automatic dialling when DTR is set

  7:   Automatic dialling when TxD is received by the IDW-90

  8:   Automatic dialling always connect

10:   IDW-90+Configurator 

12:  Incoming calls only (no active connections)

dabort – Dial abort
Dialling will normally be aborted by characters coming from the DTE, by setting  
parameter dabort =0 characters received during the dial procedure will be ignored.

0:   Dialling will not be aborted by incoming characters.

1:   Characters from DTE aborts dial during the connection process (default).

dbits – Asynchronous databits
Number of data bits asynchronous chars (default: 8) 7, 8

defa – Default settings
Sets up factory default parameter setting.

defa 0: setup all parameters concerning data port

defa 1: setup all parameters including ISDN protocol and msn settings.

dhtc – highest 2-way channel (X.25 D channel)
Highest switched virtual logical channel for incoming and outgoing X.25 connections.

dhtc = {1...4095}, default: 1

dltc – lowest 2-way channel (X.25 D channel)
Lowest switched virtual logical channel for incoming and outgoing X.25 connections.

dltc = {1...4095}, default: 1

dte – B channel link address
Selects the Layer 2 link addresses for ISDN B channel. Only valid for protocols that are 
HDLC based  (X.75, LAPB).

0

Calling side reacts as DTE, called side reacts as DCE (default, X.75 standard)

1 

TA reacts as DTE (own adr = 01)

3 

TA reacts as DCE (own adr = 03)

Note: The value will be changed by setting the B channel protocol (prot).

flc – Flow control
Flow control to DTE

0: 

No flow control

3: 

Hardware flow control RTS/CTS (default)

4: 

Software flow control XON/XOFF 

5 :   Hardware flow control RTS/CTS in data mode and command mode

For further information see also chapter 4.3 Serial status lines 

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