PfofiBus Gateway2.3 Name and Function of Each Part[1] Gateway Status LEDsRUN: NormalG.ER: ErrorC.ER: ProfiBus controller errorT.ER: SIO link error[2] SIO communication statusLEDsTxD: Sending dataRxD: Receiving data[3] Mode setting switch[4] Port switching inputPORT IN: Port switching inputPORT N: N[5] Controller communication linesSDA: Communication lineSDB: Communication lineGND: GroundFG: Frame ground[10] Port switchON: Port ONOFF: Port OFF[6] ProfiBus communication connector[7] Termination switch[8] Address setting switchesX10 and X1 (decimal, 2 digits)[9] ProfiBus communication Status LEDsON: OnlineOFF: OfflineERR: Error[11] Teaching pendant/PC connector[12] Power-supply input connector10