Identifies the version of the Internet Protocol Address within the network interface device at a host or end user location for Ethernet based service.
VALID ENTRIES:
4 = IPv4
6 = IPv6
M = IPv4 – mapped IPv6
USAGE: This field is conditional.
NOTE 1: Required when the IP ADDRESS field is populated, otherwise prohibited.
DATA CHARACTERISTICS: 1 alpha/numeric character.
EXAMPLE: 4