Westermo ID-90 - Manual (Page 13)

13 6607-2204
DSR and DCD line control
Stored setting from ID-90 database is used S1 –
Related
AT-command
ON
1 2 3 4 5 6 7 8
DTR line control
Stored setting from ID-90 database is used S1
S1
–
Related
AT-command
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ID-90 control line
DSR and DCD is always ON
S1
AT&S
AT&C
DSR is always ON
DCD ON indicates ISDN connection is established and synchronized
S1
AT&S
AT&C1
DSR ON indicates ISDN connection is established and synchronized
DCD always ON
S1
AT&S1
AT&C
DSR ON indicates ISDN connection is established and synchronized
DCD ON indicates ISDN connection is established and synchronized
S1
AT&S1
AT&C1
ON
1 2 3 4 5 6 7 8
DTR is evaluated: Ignored
AT&D
AT**cdtr = 0
S1
ON
1 2 3 4 5 6 7 8
DTR is evaluated: Dropping the DTR line by the DTE will
disconnect an existing ISDN connection.
An incoming call will be accepted only with DTR active
AT&D2
AT**cdtr = 2
Reserved S1 –
Reserved S1 –
DSR and DCD follows DTR S1
AT**cdsr=2
AT**cdcd=2
S1
ON
1 2 3 4 5 6 7 8
DTR is evaluated: Incoming calls will be accepted independent of
DTR status; DTR drop disconnects an active connection AT&D4
AT**cdtr = 4