DSB45 Development Support Box
Confidential / Released
s
DSB45_HD_V05
Page 8 of 50
01.02.2008
1.5
Terms and abbreviations
Abbreviation Description
B2B Board-to-board
connector
CE
Conformité Européene (European Conformity)
CSD
Circuit Switched Data
DAI
Digital Audio Interface
DRX Discontinuous
Reception
DSB
Development Support Box
DSP
Digital Signal Processor
DSR
Data Set Ready
DTE
Data Terminal Equipment (typically computer, terminal, printer or, for example, GSM
application)
DTR
Data Terminal Ready
DTX Discontinuous
Transmission
EGSM Enhanced
GSM
EMC Electromagnetic
Compatibility
ESD Electrostatic
Discharge
FFC
Flat Flexible Cable
GPRS
General Packet Radio Service
GSM
Global Standard for Mobile Communications
HiZ High
Impedance
HS Handset
I/O Input/Output
kbps
kbits per second
LED
Light Emitting Diode
n.c.
Not connected
NB Not
mounted
PCB
Printed Circuit Board
PCM
Pulse Code Modulation
PSU
Power Supply Unit
RF Radio
Frequency
RTC
Real Time Clock
Rx Receive
Direction
SAR
Specific Absorption Rate
SIM
Subscriber Identification Module
Tx Transmit
Direction
VSWR
Voltage Standing Wave Ratio