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1.00 - 9 - SRP-350II 1-2-3 USB Interface USB IFG-U TYPE Drawer kick-out connector Power supply connector USB connector Pin No. Signal Name Assignment (Color) Function Shell Shield Drain Wire Frame Ground 1 VBUS Red Host Power : DC5[V] / 500[mA] 2 D-White Differential Data Line 3 D+ Green Differential Data Line 4 GND Black Signal Ground 1-3 Connecting the Drawer . WARNING Use a drawer that matches the printer specification. Using an improper drawer may damage the drawer as well as the printer. .