Studio Technologies 240 - Manual (Page 35)

Model 240 User Guide Issue 1, August 2013
Studio Technologies, Inc. Page 35
P14: Line Input 2
Pin 1 common
Pin 2 high (+)
Pin 3 low (–)
These pins are electrically in parallel with
pins 1, 2, and 3 respectively of back-panel
3-pin XLR line input 2 connector.
P15: Intercom Interface
Pin 1 common
Pin 2 DC with channel 1 audio
Pin 3 channel 2 audio
Follows pins 1, 2, and 3 respectively of
back-panel 3-pin XLR intercom connector.
P17: 24 Volt DC Input
Pin 1 common
Pin 2 +24 volts
Pin 3 not used
Header P16 is used by the back-panel
24 Vdc input jack assembly and is
electrically in parallel with pins 1 and 2
respectively of P17. (Back-panel 24 Vdc
input jack (2.1 x 5.5 mm coaxial) has
+ on the center pin.)
P19: Multi-Unit Data Interface
Pin 1 common
Pin 2 Data +
Pin 3 Data –
P21: Internal Power Supply Rails
Pin 1 common
Pin 2 + 12 Vdc
Pin 3 –12 Vdc
P22: Relay Contact Main Out 1
Pin 1 common
Pin 2 normally open
Pin 3 normally open
Note: Pins 2 and 3 close (short) when
contact is active.
P23: Relay Contact Main Out 2
Pin 1 common
Pin 2 normally open
Pin 3 normally open
Note: Pins 2 and 3 close (short) when
contact is active.
P24: Relay Contact Main Out 3
Pin 1 common
Pin 2 normally open
Pin 3 normally open
Note: Pins 2 and 3 close (short) when
contact is active.
P25: Relay Contact Main Out 4
Pin 1 common
Pin 2 normally open
Pin 3 normally open
Note: Pins 2 and 3 close (short) when
contact is active.
P26: Relay Contact “Any Main Out”
Pin 1 common
Pin 2 normally open
Pin 3 normally open
Note: Pins 2 and 3 close (short) when
contact is active.
P27: Internal Power Supply Rails
Pin 1 common
Pin 2 + 12 Vdc
Pin 3 –12 Vdc
P28: Remote Switch Inputs
Pin 1 common
Pin 2 main output button 1
Pin 3 main output button 2
P29: Remote Switch Inputs
Pin 1 common
Pin 2 main output button 3
Pin 3 main output button 4