Title: Hardware Installation Guide.pdf
56789 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26connect if using HandKey power adapterRJ-45 jackHardware Installation GuideHandKey version F3Back of Handkey CR ReaderImportant: Do not ground the rear plate or the screw with the green wire of the HandKey reader to earth ground! Doing so may cause damage to the HandKey unit.Top of ReaderFor DC powered units only, mandatory 18 AWG or larger jumper from –VIN to terminal 1012345678910 11 12 13 1415 16 17 1821TXD TR1+RXD TR1-RTS R1++ – 12-24 VDC or VACe c a f r e t nCTS R1-I r e d a e R c i r t e m o BiGNDTR2+TR2-GNDTR3+TR3-GND110.1.4Signal GroundThe RS-485 signal ground connection (TB2 GND) needs to be connected to the HandKey signal ground. There is no specific terminal designated for this purpose on the HandKey, but any of the following terminals are appropriate for this purpose:HandKey F1 Signal Ground Terminals: 8, 10, 12, 14, 18, 20, 22, 24, or 26