AVT MAGIC TH6 POTS, Hardware & Software Manual

Page: 54 / 136

PAGE 54
O p e r a t i o n v i a W i n d o w s P C S o f t w a r e
TTL Pin as input
FIG. 35 TTL PIN AS INPUT
If you use a TTL Pin as
Input
, you can program two different functions sepa-
rately when edges change:
•
Positive edge
: The event is activated when the voltage on the TTL Pin
changes from 0V to +3.3V.
•
Negative edge
: The event is activated when the voltage on the TTL Pin
changes from +3.3V to 0V.
The following functions can be configured (
Function Code
):
–
- :
No function, the Pin is not used.
–
Call Out/Accept Call In/Drop:
Via this function you can establish a
connection to a certain
Phone Number,
accept an incoming call or drop
a call. Under
POTS Line/ISDN Line
you select the line (
1, 2, 3, 4, 5
or
6) on which the connection is established. Under
Audio Line
you select
the Audio line that is activated when the call is accepted.
–
Call Out (Level Trig.):
Same function as above, however, except that
here the level is analysed and not the edge (level triggered).
–
Drop:
If you activate this function, a connection on the selected line (
1,
2, 3, 4, 5
or
6
) can be dropped.
–
Set Audio Line:
This function allows you to switch a caller to a prede-
fined
Audio Line
. Under
POTS Line/ISDN Line
you must indicated
which caller line you want to use (
1, 2, 3, 4, 5
or
6
)
.
–
Lock Audio Line (Level Trig.):
With this function you can lock an
Au-
dio Line
. Under
POTS Line/ISDN Line
you must indicated which
caller line (
1, 2, 3, 4, 5
or
6
) is locked for the
Audio line
. This function
is level triggered.
–
Load Preset:
Via this function it is possible to load a preset which you
have to select under
Preset.
–
Set Information Base Entry:
Special function for projects.
–
String Command:
Special function for projects.