Title: Hardware Installation Guide.pdf
402 — revision 6Hardware Installation Guide81.2Installing JumpersThe following diagram describes the use of each jumper on the board. The jumper is indicated by brackets [ ]. The default shipping position is shown below.[J2] Reader power : 12V = 24 VDC reduced to 12 VDC at reader ports .Do not use if VIN is less than 20 VD CPT = VIN passed through to reader portsAB1458TMPP FL R 1R2TB8IN P U T SIN 1N 2N 31 B T2 B T7 JO VO E LA Z BK L CT A DD N G1 D0 D1 R E D A E RIN 48 JO VIN 53 B TO E LA Z BK L C2 R E D A E 1 R DN 6T A D0 DJ9D N GIN 74 B TTB 9IN 81 2345TMP5 B T67GNDPFL GNDJ 14U 1J 10J 138OFF ON S1[J3] 2-wire select: Must install in 2W position.J 1112V P TJ3K1K2K 3K 4K 5K 6TB 10C NCO NC N1 Y L R2W 4WR S- 485J15J 3CO N2 Y L RTB11[J5] RS-485 EOL termination : Jumper = termination . No jumper = no termination