opti-solar SC-50 Installation And Operation Manual page 17

J MA1 Connecting terminal for the contact A of auxiliary 1
K MC1 Connecting terminal for the common contact of auxiliary 1
L MB1 Connecting terminal for the contact B of auxiliary 1
M MA2 Connecting terminal for the contact A of auxiliary 2
N MC2 Connecting terminal for the common contact of auxiliary 2
O MB2 Connecting terminal for the contact B of auxiliary 2
P PV+ Connecting terminal for Solar Array Positive
Q GND Connecting terminal for Solar Array Negative
R BAT+ Connecting terminal for battery cable Positive
S GND Connecting terminal for battery cable Negative
T EARTH Connecting for ground
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