standard (EN 50325-5 [...] the requirements for SIL3 [...] according to SIL2
_L are approximately 2.5 V. Faulty [...] 6.7 km 20 kbps 3.3 [...] should be between 2.0 V and 4.0 V
Current 2 Voltage 3 [...] state) 5 Device [...] : error register) and 5