AVT MAGIC TH2, Hardware Manual

Page: 59 / 130

PAGE 59
W i n d o w s P C S o f t w a r e
TTL-Pin as Output
FIG. 25 TTL-PIN AS OUTPUT
If a TTL-Pin is configured as
Output
, the event is signalised as change of volt-
age on the TTL-Pin from 0V to+5V.
Under
Positive edge
you can select one of the following
Function Codes
:
–
Fixed to Low (0V)
: The TTL-Pin is set to 0V permanently.
–
Fixed to High (5V)
: The TTL-Pin is set to +5V permanently.
–
Connection Status
: Via this function you can signalise the connection sta-
tus of a line. Select the connection status under
Status
. The following con-
figurations are possible:
–
Disconnect
–
Calling
–
Incoming call
–
Connect
Under
Line
(only in the ISDN operating mode) you select the line whose
status you want to signalise. In addition to
Line 1
and
Line 2
you can mon-
itor the connection status of both lines if you select the option
All Lines
.
As soon as one of the two lines meets the criteria, the signal is set on the
TTL-Pin.
ATTENTION Please pay attention to the maximum switch current of 10 mA respectively
the maximum switch voltage of 5V per TTL output.
!