Identifies the direction of the circuit's path when it ingresses (enters) on a bi-directional dedicated or bi-directional Dense Wave Division Multiplexing Ring identified in the PRI ADM field and the customer has assignment control.
VALID ENTRIES:
1 = High speed group side one
2 = High speed group side two
3 = High speed group side one and two-simultaneous
NOTE 1: The definition of side 1 and side 2 valid entries is based on customer and provider negotiations.
NOTE 2: An entry of “3” is only valid when the FNT field on the ASR Form is “B”.
USAGE: This field is conditional.
NOTE 1: Optional when the PRI ADM field is populated.
NOTE 2: Optional when the CFA field is populated.
NOTE 3: Optional when the PRI ADM and CFA fields are populated.
NOTE 4: Otherwise prohibited.
DATA CHARACTERISTICS: 1 numeric character
EXAMPLE: 1