CPT - Channel Pair/Timeslot

Identifies the Synchronous Transport Signal (STS), Virtual Tributary (VT) Group and VT Timeslot of the ring.

NOTE 1: Positions 7 through 11 required when utilizing two dedicated rings.

USAGE: This field is conditional.

NOTE 1: Optional when the ACT field on the ASR Access Service Request Form is “N” or “C” and the FNT Finer Network Type field on the ASR Form is “A“, otherwise prohibited.

DATA CHARACTERISTICS: 11 numeric characters (including  1 preprinted hyphen)

EXAMPLES: 1 1 1 2 1 -

   1 1 1 2 1 - 1 1 1 2 2