User's Manual

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EHS6-A Hardware Interface Overview Page 36 of 41
6.3 Terms and Abbreviations
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EHS6-A_HIO_v02.770 2014-08-13
Confidential / Preliminary
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
Abbreviation Description
LPM Link Power Management
Mbps Mbits per second
MMI Man Machine Interface
MO Mobile Originated
MS Mobile Station (GSM module), also referred to as TE
MSISDN Mobile Station International ISDN number
MT Mobile Terminated
NTC Negative Temperature Coefficient
OEM Original Equipment Manufacturer
PA Power Amplifier
PAP Password Authentication Protocol
PBCCH Packet Switched Broadcast Control Channel
PCB Printed Circuit Board
PCL Power Control Level
PCM Pulse Code Modulation
PCN Personal Communications Network, also referred to as DCS 1800
PCS Personal Communication System, also referred to as GSM 1900
PDU Protocol Data Unit
PLL Phase Locked Loop
PPP Point-to-point protocol
PSK Phase Shift Keying
PSU Power Supply Unit
PWM Pulse Width Modulation
R&TTE Radio and Telecommunication Terminal Equipment
RAM Random Access Memory
RF Radio Frequency
RLS Radio Link Stability
RMS Root Mean Square (value)