R/L - Root/Leaf

Indicates that the UNI is either a root or a leaf in a rooted multipoint EVC.

NOTE 1: At least one UNI must be designated as a Root.

NOTE 2: More than one Root is allowed per EVC.

VALID ENTRIES:

L = Leaf UNI

R = Root UNI

USAGE: This field is conditional.

NOTE 1: Required for a rooted multipoint EVC as designated by the NC Code when the ACT field on the ASR Form is "N”.

NOTE 2: Optional for rooted multipoint EVC as designated by the NC Code when the ACT field on the ASR Form is  “C", “D", or “R”.

NOTE 3: Otherwise prohibited.

DATA CHARACTERISTICS: 1 alpha character

EXAMPLE: R