System Components
SICAM RTUs, SICAM AK 3 User Manual 107
DC2-028-2.03, Edition 07.2016
2.4.2.2.3  Balanced Interface EIA-485
V.11 asynchronous
2.4.2.2.4  Balanced Interface EIA-422
V.11 asynchronous
2.4.2.2.5  Optical Interface (Multimode Fiber Optics) with CM-0821