Identifies the ANSI or ITU grid assignment in nanometers.
VALID ENTRIES:
ANSI or ITU wavelength
NOTE 1: Entries in this field are outlined in ATIS-0300231/GR-253-CORE and ITU G.692.
NOTE 2: When specifying an ITU wavelength, the corresponding PQTY field can not be greater than “1”.
USAGE: This field is conditional.
NOTE 1: Prohibited when the corresponding PTYP field is “AB” or “AC”, otherwise optional.
DATA CHARACTERISTICS: 7 alpha/numeric characters (including a decimal)
EXAMPLES: 1 5 5 0 . 0 0
8 5 0 . 0 0