Panasonic 1200N User Manual

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. 

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

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

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

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

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. 

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. 

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

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).