Codan Radio P25 Training Guide - Manual (Page 7)

P25 RADIO SYSTEMS | TRAINING GUIDE
Page v
Contents
Chapter 1: Introduction To P25 ..............................................
1
What is Project 25? .................................................................................... 1
P25 Phases ................................................................................................ 2
Conventional vs. Trunked .......................................................................... 3
How does Phase 1 P25 work? ................................................................... 4
P25 Radio System Architecture ................................................................. 5
Benefi ts of P25 ........................................................................................... 8
Other Digital Standards ............................................................................ 12
Chapter 2: P25 Interface Standards ....................................
15
P25 Standards – General System Model ................................................. 15
RF Sub-System ........................................................................................ 17
Common Air Interface .............................................................................. 17
Inter Sub-System Interface ...................................................................... 18
Telephone Interconnect Interface ............................................................. 19
Network Management Interface ............................................................... 19
Data Host or Network Interface ................................................................ 19
Data Peripheral Interface ......................................................................... 20
Fixed Station Interface ............................................................................. 20
Console Sub-System Interface ................................................................ 21
Chapter 3: P25 Technical Information ..................................
23
Analog to P25 Transition .......................................................................... 23
P25 Frequency Bands ............................................................................. 23
Hexadecimal and Binary Numbering ....................................................... 23
P25 Digital Code Defi nitions .................................................................... 24
P25 Voice Message Options .................................................................... 32
P25 Data Applications .............................................................................. 34
Conventional Control Messages .............................................................. 35
P25 Location Services ............................................................................. 36
P25 Encryption ......................................................................................... 40
Analog vs. P25 Digital Coverage ............................................................. 41
P25 Radio System Performance Testing ................................................. 44
P25 vs. Analog Delay Times .................................................................... 46