User's Manual
Table Of Contents
- Contents
- Tables
- Figures
- 1 Introduction
- 2 Interface Characteristics
- 2.1 Application Interface
- 2.2 RF Antenna Interface
- 2.3 Sample Application
- 3 Operating Characteristics
- 4 Mechanical Dimensions, Mounting and Packaging
- 5 Regulatory and Type Approval Information
- 6 Document Information
- 7 Appendix
Cinterion
®
ELS31-/ELS51-US Hardware Interface Overview
6 Document Information
43
ELS31-US_ELS51-US_HIO_v01.000a 2016-12-28
Confidential / Preliminary
Page 39 of 46
6 Document Information
6.1 Revision History
New document: "Cinterion
®
ELS31-/ELS51-US Hardware Interface Overview" v01.000a
6.2 Related Documents
[1] ELS31-US/ELS51-US AT Command Set
[2] ELS31-US/ELS51-US Release Note
[3] Application Note 40: Thermal Solutions
[4] Application Note 48: SMT Module Integration
[5] Universal Serial Bus Specification Revision 2.0, April 27, 2000
6.3 Terms and Abbreviations
Chapter What is new
-- Initial document setup.
Abbreviation Description
ADC Analog-to-digital converter
AGC Automatic Gain Control
ANSI American National Standards Institute
ARFCN Absolute Radio Frequency Channel Number
ARP Antenna Reference Point
ASC0/ASC1 Asynchronous Controller. Abbreviations used for first and second serial interface of
the module
B Thermistor Constant
BER Bit Error Rate
BTS Base Transceiver Station
CB or CBM Cell Broadcast Message
CE Conformité Européene (European Conformity)
CHAP Challenge Handshake Authentication Protocol
CPU Central Processing Unit
CS Coding Scheme
CSD Circuit Switched Data
CTS Clear to Send
DAC Digital-to-Analog Converter
DAI Digital Audio Interface