Specifications

Cinterion
®
ELS81-US Hardware Interface Description
6.3 Terms and Abbreviations
104
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els81-us_hid_v01.004 2017-09-27
Confidential / Preliminary
Page 101 of 107
CTS Clear to Send
DAC Digital-to-Analog Converter
dBm0 Digital level, 3.14dBm0 corresponds to full scale, see ITU G.711, A-law
DCE Data Communication Equipment (typically modems, e.g. Gemalto M2M module)
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, UMTS
application)
DTR Data Terminal Ready
DTX Discontinuous Transmission
EFR Enhanced Full Rate
EIRP Equivalent Isotropic Radiated Power
EMC Electromagnetic Compatibility
ERP Effective Radiated Power
ESD Electrostatic Discharge
ETS European Telecommunication Standard
ETSI European Telecommunication Standards Institute
FCC Federal Communications Commission (U.S.)
FDMA Frequency Division Multiple Access
FR Full Rate
GMSK Gaussian Minimum Shift Keying
GPIO General Purpose Input/Output
HiZ High Impedance
HR Half Rate
I/O Input/Output
IC Integrated Circuit
IMEI International Mobile Equipment Identity
ISO International Standards Organization
ITU International Telecommunications Union
kbps kbits per second
LED Light Emitting Diode
Li-Ion/Li+ Lithium-Ion
Li battery Rechargeable Lithium Ion or Lithium Polymer battery
LPM Link Power Management
Mbps Mbits per second
MMI Man Machine Interface
Abbreviation Description