Technical data

PAGE 56
Windows PC Software
– Set Audio Line: This function allows you to switch a caller to a pre-de-
fined Audio Line. Under POTS/ISDN Line you must indicated which
caller line you want to use (1 or 2).
– Lock Audio Line (Level Trig.): With this function you can lock an Au-
dio Line. Under POTS/ISDN Line you must indicated which caller line
(1 or 2) is locked for the selected Audio line. This function is level trig-
gered.
– 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.
– Suppress Ring Tone (Level Trig.): This function allows you to sup-
press the ring tone for an incoming call.
– Connect via DTMF/Accept Call In: ...
Example 1:
You want to accept a call on line 1 with TTL 1. The caller is to be
switched directly in the ON AIR mode. After the conversation has been
finished the connection is to be cleared with TTL 1.
Programming:
Positive egde:
Function Code: Call Out/Accept Call In/Drop
Audio Line: ON AIR
Line: Line 1
Phone Number: -
Negative egde:
Function Code: Drop
Line: Line 1
FIG. 37 SEQUENCE OF EVENTS FOR THE EXAMPLE 1
1
5
6
9
9-pol. SUB-D connector
to MAGIC TH2plus
(TTL/RELAY)
Switch is opened:
Pin 2 = TTL 1 is on +3.3 V (via internal 10 KOhm series resistance)
Switch is closed:
Pin 2 =TTL 1 is set to 0V (Pin 5):
Existing connection is dropped
Switch is opened:
Pin 2 =TTL 1 is set to +3.3V:
Incoming call is accepted.
Switch