Installation Manual
9
Connections and Switches
Power
Unit needs 12V DC, 1 Amp. Connect power pack supplied.
Override Input
6-pin RJ11 style connector
Pin 1 Not used
Pin 2 Override Control (+). Connect to Control (-) (Pin 5) to operate.
Pin 3 Override Audio, Ring
Pin 4 Override Audio, Tip
Pin 5 Control (-)
Pin 6 Not used
Override Control Switch
LOOP START (LS)
Right Position - For operation with a Loop Start trunk. The DFT120 supplies
the talk battery for loop current to start recording.
DRY AUDIO (DL)
Left Position - Operates with phone system's Page/AUX Port, a dry audio
interface and a contact closure is required for supervision.
Page In Input
6-pin RJ11 style connector
Pin 1 Not used
Pin 2 Page In Control (+). Connect to Control (-) (Pin 5) to operate.
Pin 3 Ring
Pin 4 Tip
Pin 5 Control (-)
Pin 6 Not used
Page In Control Switch
LOOP START (LS)
Right Position - For operation with a Loop Start trunk. The DFT120 supplies
the talk battery for loop current to start recording.
DRY AUDIO (DL) with Contact Closure
Left Position - Operates with phone system's Page/AUX Port, a dry audio
interface and a contact closure is required for supervision.
DRY AUDIO (DL) without Contact Closure
Left Position - Operates with phone systems that do not supply a contact
closure. Note: Switch settings must be set for either Audio Sense or DTMF
Sense to operate without contact closure.