Full Description

1.1 Scope

of Document This document specifies the physical layer requirements for a Carrier Sense Multiple Access/Collision Resolution (CSMA/CR) data link which operates on a single wire medium to communicate among Electronic Control Units (ECU) on road vehicles at normal transmission rates of 40.00 Kbits/sec and at a special high speed assembly or service transmission bit rate of 80.00 Kbits/sec.