Identifies the virtual connection speed across the related circuit at or below which no cells should be discarded due to network traffic.
NOTE 1: This field applies to asymmetrical virtual services.
USAGE: This field is conditional.
NOTE 1: Required when the entry in this field differs from the MCR field, otherwise prohibited.
DATA CHARACTERISTICS: 7 numeric characters
EXAMPLE: 6 4 0 0 0
NOTE 1: This example illustrates a numeric value but is left justified since it is treated as text.