Panasonic 1200N User Manual

Bearer Class A: Indicated by ATM end user in SETUP message for connection-
oriented, constant bit rate service. The network may perform internetworking based 
on AAL information element (IE). 

Bearer Class C: Indicated by ATM end user in SETUP message for connection-
oriented, variable bit rate service. The network may perform internetworking based 
on AAL information element (IE). 

Bearer Class X: Indicated by ATM end user in SETUP message for ATM transport 
service where AAL, traffic type and timing requirements are transparent to the 
network. 

Backward Explicit Congestion Notification: A Resource Management (RM) cell 
type generated by the network or the destination, indicating congestion or 
approaching congestion for traffic flowing in the direction opposite that of the 
BECN cell. 

Bit Error Rate: A measure of transmission quality. It is generally shown as a 
negative exponent, (e.g., 10-7 which means 1 out of 107 bits are in error or 1 out 
of 10,000,000 bits are in error). 

Broadband High Layer Information: This is a Q.2931 information element that 
identifies an application (or session layer protocol of an application). 

Signaling ID assigned by Exchange B. 

B-ISDN Inter-Carrier Interface: An ATM Forum defined specification for the 
interface between public ATM networks to support user services across multiple 
public carriers.