User's Guide

Table Of Contents
User Guide for the Envoy Data Link
Document Number: UG-15000 Rev. A Page 104 of 173
6.5.2 UNIT SOFTWARE 2/3
The UNIT SOFTWARE page displays the versions and CRCs for the currently loaded Envoy
software.
Figure 6-19 UNIT SOFTWARE 2/3
The CRCs and VERsion identifiers listed here are compared with stored credentials from the
companion Personality Module whenever the system is rebooted.
SAM BOOTLOADER
System Application Manager for system startup, data loading, hardware and PBIT
SAM APPLICATION
System Application Manager for data link functions
DUKB BOOTLOADER
Display Unit Keyboard application for system startup and data loading
DUKB APPLICATION
Manages human machine interface (HMI) functions including keys and display
VDLA
Controls radio hardware for Mode A messaging
VDL2
Controls radio hardware for Mode 2 messaging
Label
Description