Manual

RIGHT 1 RETURN - 1
RIGHT 1 RETURN + 2
LEFT 1 RETURN - 3
LEFT 1 RETURN + 4
RIGHT 2 RETURN - 5
RIGHT 2 RETURN + 6
LEFT 2 RETURN - 7
LEFT 2 RETURN + 8
GND 9
LEFT SEND + (MAIN OUT) 10
LEFT SEND - (MAIN OUT) 11
RIGHT SEND + (MAIN OUT) 12
RIGHT SEND - (MAIN OUT) 13
AUX RETURN 1 SIG - 14
AUX RETURN 1 SIG + 15
AUX RETURN 2 SIG - 16
AUX RETURN 2 SIG + 17
GND 18
SOLO BUS LOGIC 19
SOLO BUS LOGIC 20
GND 21
GND 22
GND 23
AUX SEND + 24
AUX SEND - 25
EGRET DB-25 EXPANDER CONNECTOR PIN OUT