CalAmp 09002 Manual De Usuario
Interface Specification Document
Rev. -
Cellular Radio Module
CRM4250/4200
Company Confidential
Standard Communications Corp.
-3-
November 20, 2000
1.0. SYSTEM OVERVIEW
4
2.0. GENERAL DESCRIPTION
4
3.0. INTERFACE SPECIFICATION
4
3.1 GENERAL
4
3.2 PHYSICAL
5
3.3 ELECTRICAL
6
3.4. SERIAL DATA FORMAT
6
4.0 SERIAL CONTROL PROTOCOL
7
4.1. PACKET STRUCTURE
7
4.2. DATA TRANSPARENCY
7
4.3. MESSAGE FLOW
7
6.0. DETAILED COMMAND DESCRIPTIONS
9
6.1. LABELING CONVENTIONS FOR SYNTAX:
9
6.2. GENERAL COMMANDS
9
7.0 CONTROL MESSAGE FLOW DIAGRAMS
26
7.1 INITIAL POWER-UP SEQUENCE
26
7.2 POWER-DOWN SEQUENCE
26
7.3 CHANGE OPERATING MODE
26
8.0 POWER MANAGEMENT
27