Dascom LA48N/LA48W User Guide - Manual (Page 63)

Printing
4-7
Indicator Status Active Protocol
DEC lit DEC ANSI protocol is active
PPX24 lit IBM Proprinter X24E/XL24E protocol is active
Both indicatorts lit Epson ESC/P2 protocol is active
Flashing alternately According to Set-Up settings, the printer waits for data to
switch to a proper protocol.