SoundCraft SM12 User Manual page 37

Rear Connectors
34
External (FOH) Talkback In and Talkback Mic
(3-pin female XLR)
Pin 1
Pin 2
Pin 3
Insert Returns, Ext. Inputs
(1/4" 3-pole Jack)
Tip
Ring
Sleeve
Insert Sends, Oscillator Output (1/4" 3-pole Jack)
Tip
Ring
Sleeve
PFL, AFL Left and Right Outputs (1/4" 3-pole Jack)
Tip
Ring
Sleeve
Mix, Wedge and Talkback Outputs
(3-pin male XLR)
Pin 1
Pin 2
Pin 3
Phones Output (1/4" 3-pole Jack)
Tip
Ring
Sleeve
Ground
Signal Hot
Signal Cold
Signal Hot
Signal Cold
Ground
Signal Hot
Signal Cold
Ground
Signal
Ground Sense
Ground
Ground
Signal Hot
Signal Cold
Left Signal
Right Signal
Ground
Master Module