Cinterion BGS2-E, Обзор аппаратуры

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BGS2-E/BGS2-W Hardware Interface Overview
1 Introduction
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BGS2_HIO_v01.300 Page 6 of 29 2011-03-08
Confidential / Released
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1 Introduction
This document
1
describes the hardware of the Cinterion BGS2-E/BGS2-W module that con-
nects to the cellular device application and the air interface. It helps you quickly retrieve inter-
face specifications, electrical and mechanical details and information on the requirements to be
considered for integrating further components.
1.1 Related Documents
[1] BGS2-E/BGS2-W AT Command Set
[2] BGS2-E/BGS2-W Release Note
1.2 Terms and Abbreviations
1. The document is effective only if listed in the appropriate Release Notes as part of the technical
documentation delivered with your Cinterion product.
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
BGS2-E/BGS2-W
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
dBm0 Digital level, 3.14dBm0 corresponds to full scale, see ITU G.711, A-law
DCE Data Communication Equipment (typically modems, e.g. Cinterion GSM module)
DCS 1800 Digital Cellular System, also referred to as PCN