10
Audio Out Volume Control
Controls the volume level delivered to the paging system. It is shipped with
1
:
1
gain
factory set.
Audio Out Impedance Selector
Select the type of audio drive available at the Audio/Status connector. RIGHT POSI-
TION for line level (600 ohms) and LEFT POSITION for power level (8 ohms). See
Electrical Specifications
section for maximum output levels.
Audio Out
6-pin RJ
11
style connector
Pin
1
Not used
Pin 2
Play Contact, Normally Open
Pin 3
Audio Output (-)
Pin 4
Audio Output (+)
Pin 5
Play Contact, Normally Open
Pin 6
Not used
General Purpose I/O Connector
1
. COMMON to all control functions.
2. ABORT control.
3. OVERRIDE control, paralleled with Pin 2 of Override RJ
11
jack.
4. STOP control.
5. PLAY control.
6. PAGE IN control, paralleled with Pin 2 of Page In RJ
11
jack.
7. BUSY
8. BUSY
9. PLAY
1
0. PLAY
11
. RECORD
1
2. RECORD
Setting Setup Switches
The DFT
1
20 is designed to have several functions programmed by the user. These
adjustments will be made via DIP switch settings in the field.These programmable set-
tings are listed and described below.
Record Activation
The method with which the user will enter the record mode can be selected from the following: contact closure or
loop start.The default setting will be loop start.
1
2
Record Activation
UP
UP
Loop current will activate the record process (factory setting)
UP
DN
Audio Sense
DN
UP
DTMF Sense
DN
DN
Contact Closure
]
Normally Open contact
]
Normally Open contact
]
Pin 9 paralleled with Pin 2 and Pin
1
0 with Pin 5 of the Audio Out RJ
11
jack.
