TAPKO MECip-Sec Product Description page 42

Security functions
Short Telegrams
Standard Frame format
Glossary
For using ETS Security functions, a minimum ETS version is
necessary. Security functions have been available since ETS
version 5.7.2 (ETS Inside 1.4.0).
Short telegrams or short frames are telegrams having an
APDU length that is not exceeding 15 octets. Short telegrams
use the standard frame format.
A standard frame has a maximum APDU length of 15 octets
and a maximum length of 23 octets (incl. checksum).
MECip
SECURE
- 42 -