4 Product description HandscannersBCS 3600ex series34 / 72 Subject to technical modifications17/05/184.6.5 Permissible connection cable cross sectionsCable gland Permissible connection cable cross sectionsEx e M16x1.5 (black) 4 mm - 9 mm 0.16” – 0.35”Tab. 21: Permissible connection cable cross sections4.6.6 Terminals for external conductorsPay attention to EN 60079-14 (Explosive atmospheres – Part 14: Electrical installations design,selection and erection) when connecting the external conductors to the terminals in a potentiallyexplosive atmosphere. Lay conductors according to the terminal assignment. Equipotential bonding is not requiredbecause the power supply is galvanically isolated.4.6.7 Recommendation for the data lineBARTEC recommends using the following cable:‒ Standard, shielded data line to prevent external disturbances to the data line‒ CAT5 cable or better‒ The following core cross sections and number of cores:Interface Recommended core crosssectionNumber of coresRS 232 0.2 mm 2 – 2.5 mm 224 – 14 AWG3RS 422 4RS 485 4USB 4Tab. 22: Recommended core cross sections and number of cores