BS PD IEC/PAS 61850-9-3:2015 specifies a precision time protocol (PTP) profile of IEC 61588:2009 applicable to
power utility automation which allows compliance with the highest synchronization classes of
IEC 61850-5 and IEC 61869-9.Cross References:IEC 61588:2009IEC TR 61850-90-4:2013IEC 62439-3:2015ISO/IEC 9646-7All current amendments available at time of purchase are included with the purchase of this document.