Symbol LS 6000i Product Reference Manual page 193

According to AIM standards, a UPC with supplemental
bar code is transmitted in the following format:
]E0 (UPC chars) (terminator) ]E2 (supplemental)
(terminator)
In the LS 6000i, however, the format is changed to:
]E0 (UPC chars) ]E2 (supplemental)
Therefore, a UPC with two supplemental characters,
01234567890510, is transmitted to the host as a 21-
character string, ]E00012345678905]E110.
A-8
LS 6000i Series Product Reference Guide