Indicates the Maximum Service Frame Size (in bytes) allowed at the UNI/ENNI.
NOTE 1: More information regarding this field can be found in the MEF Technical Specification MEF 10.3 and MEF 26.1.
NOTE 2: This attribute may be specified by the provider as part of their product offering.
VALID ENTRIES:
Maximum Frame Size Value (numeric value expressed in bytes)
USAGE: This field is conditional.
NOTE 1: Optional when the first position of the REQTYP field on the ASR Form is "S", otherwise prohibited.
DATA CHARACTERISTICS: 5 numeric characters
EXAMPLE: _ 1 5 2 6