Identifies the receive transmission level point, measured in decibels, of either a 2 wire or 4 wire circuit as it enters the End User customer's equipment.
NOTE 1: The signal level is assumed to be negative unless preceded by a plus (+) sign.
USAGE: This field is conditional.
NOTE 1: Optional on a service specific basis when PRILOC is an end-user location and SPOT (PRI) is not a CLLI Code otherwise prohibited.
DATA CHARACTERISTICS: 5 alpha/numeric characters (including 1 preprinted delimiter)
EXAMPLE: + 1 3 . 0