Events: ISDN BRI (S0/T0)

	Event structure	What is ISDN BRI S0/T0 physical event?
	PH decoding	Using the Clarinet Event-Editor with an appropriate filter.
	Protocol stack	Defining a list of protocols used in the current filter.
	Standards	ITU Recommendation I430
	Options	Changing the display conditions in the current filter.

ISDN BRI S0/T0 physical layer decoding

	Event information	Date	Date of the event in the format: hh:mm:ss/xxx.y
		N	The interface number which identifies the Clarinet-interface connected to the host.
		Link type	TE: terminal side NT: network side
	Protocol fields	State	<TE Info> <NT Info> <source 1> <source 2> The "»" mark indicates the item which undergoes a state transition.

PH-ISDN BRI (S0/T0) Protocol fields

	<TE Info>	Type of information signal (I0 to I4) from TE to NT detected on the S/T Bus.
	<NT Info>	Type of information signal (I0 to I4) from NT to TE detected on the S/T Bus.
	<source 1>	State of the phantom power supply.
	<source 2>	State of auxiliary power supply.

Protocol stack applied

Native ISDN BRI S0/T0 event

The ISDN BRI S0/T0 physical events are generated by the analysis process on the PH link when the physical interface type is based on ISDN BRI S0/T0. Every transition of state of the physical interface (INFO signals, power supply) generates an event.

The binary event structure is defined in the Clarinet-API.

The edition of ISDN BRI S0/T0 physical events without any decoding/formatting enables the successive states of the physical interface to be displayed.

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