Panasonic 1200N manual Pri, Pti, Ptmpt, Pts

P Glossary

PRI

Primary Rate Interface: An ISDN standard for provisioning of 1.544 Mbps (DS1) ISDN services. The standard supports 23 "B" channels of 64 kbps each and one "D" channel of 64 kbps.

Primitive

An abstract, implementation independent, interaction between a layer service user and a layer service provider.

Private ATM Address

A twenty-byte address used to identify an ATM connection termination point.

Protocol

A set of rules and formats (semantic and syntactic) that determines the communication behavior of layer entities in the performance of the layer functions.

Protocol Control Information

Information exchanged between corresponding entities, using a lower layer connection, to coordinate their joint operation.

PT

Payload Type: Payload Type is a 3-bit field in the ATM cell header that discriminates between a cell carrying management information or one which is carrying user information.

PTI

Payload Type Indicator: Payload Type Indicator is the Payload Type field value

distinguishing the various management cells and user cells. Example: Resource Management cell has PTI=110, end-to-end OAM F5 Flow cell has PTI=101.

PTMPT

Point-To-Multipoint: A main source to many destination connections.

PTS

Presentation Time Stamp: A timestamp that is inserted by the MPEG-2 encoder into the packetized elementary stream to allow the decoder to synchronize different elementary streams (i.e. lip sync).

B-60	Centillion 1200N ATM Switch User Manual
	NTP 297-8103-903