RG-IS2700G Series Switch Hardware Installation and Reference Guide
Figure 3-10
3.3.4.2 RG-IS2712G-DC
1.
Two two-pin wires are needed. Insert the power cords into the 6-pin connector, as shown in Figure 3-11. V1+ and V2+ (red wires)
indicate the positive poles of power supplies while V1- and V2- (black wires) indicate the negative poles.