Dn – dtr option, D – display delayed numbers – Westermo TD-32 User Manual

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&Dn – DTR Option

This command uses the incoming signal DTR to do different things, depending on n.
The value is written to S21 bit 3 and 4.

&D0

DTR drop is interpreted according to the setting as follows: (Default)
If &Q0, &Q5 or &Q6 is set:

DTR is ignored (assumed ON). Allows operation with DTE’s which do not
provide DTR.

If &Q1 or &Q4 is set:

DTR drop causes the modem to hang up.

If &Q2 or &Q3 is set:

DTR drop causes the modem to hang up. Auto-answer goes off.

&D1

DTR drop is interpreted according to the setting as follows:
If &Q0, &Q1, &Q4, &Q5 or &Q6 is set:

DTR drop causes the modem to return to command mode without
disconnecting.

If &Q2 or &Q3 is set:

DTR drop causes the modem to hang up. Auto-answer goes off.

&D2

DTR drop causes the modem to hang up. Auto-answer goes off.

&D3

DTR drop is interpreted according to the setting as follows:
If &Q0, &Q1, &Q4, &Q5 or &Q6 is set:

DTR drop causes the modem to perform a restart as if the Z command
were received.
The parameter &Y determines which profile is loaded.

If &Q2 or &Q3 is set:

DTR drop causes the modem to hang up. Auto-answer goes off.

Please also refer to AT&M, AT&Q, S21

*D – Display Delayed Numbers

This command displays a list with delayed phone numbers together with the delay associated with
each. The modem will return a list with delayed phone numbers according to definition in *B com-
mand.
The example below shows the format of the list (delay times are shown as hours:minutes:seconds).
If no numbers are delayed only the result code OK is issued.

Example:

NO. – PHONE NUMBER -DELAY

8264734660