Identifies the related end point being requested in a Priority 3 Virtual Connection service arrangement composed of three end user designated locations.
VALID ENTRIES:
A = Pivot
B = Primary
C = Secondary
NOTE 1: The entry in this field must be different than the EP field.
USAGE: This field is conditional.
NOTE 1: Required when the EP field is populated, otherwise prohibited.
DATA CHARACTERISTICS: 1 alpha character
EXAMPLE: A