Maritime navigation and radiocommunication equipment and systems. Digital interfaces - Multiple talkers and multiple listeners. Ship systems interconnection. Companion standard requirements and basic companion standards Ingestion-build-209208 and awareness

and awareness

More particularly

a) the replacement of ignition sources 0 and 1 with ignition sources smouldering cigarette and match flame equivalent from BS EN 597-1 and BS EN 597-2

The requirements are defined with appropriate cross-reference to BS EN 13242

BS EN IEC 60122‑4 is applicable to crystal units with thermistors mainly used in the field of mobile communication that requires high frequency stability such as local reference signal generator for the mobile phone base station or GPS

Maritime navigation and radiocommunication equipment and systems. Digital interfaces - Multiple talkers and multiple listeners. Ship systems interconnection. Companion standard requirements and basic companion standards Ingestion-build-209208 and awareness