User's Manual Part 1

APCD-LM043-8.0 (DRAFT C) 13
3 Detailed Description
This section describes the technologies and features used in the LMS4000 900 MHz Radio
Network.
• LMS4000 Overview on page 14
• LMS4000 Transmission Concept on page 21
• Basic Data Transmission on page 24
• LMS4000 Protocol Stacks on page 31
• CCU–EUM Interface Physical Layer (DSSS Radio) on page 35
• CCU–EUM Interface MAC Layer (Polling MAC) on page 40
• CCU and EUM Feature Description on page 53