1110/100/100010/100/100010/100 Base-TX234567823415678234Galvanically isolated via signal transformers andcapacitively isolated to GND/PE through a 2kV 1000pFcapacitor. See user manual for proven transient protection.3BSE08315931Section 3 Interface ModulesSafety Control DrawingPosition Direction*/description Input/Output values1 In/Out / TD+ Per port:U = ± 1 V (4V/us)I = ± 20 mAData rate:10/100 Mbit/s2 In/Out / TD–3 In/Out / RD+4 Not connected5 Not connected6 In/Out / RD–7 Not connected8 Not connectedShield PE* Direction relative this unit.