TC65 Terminal Hardware Interface Description
Confidential / Released
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TC65 Terminal_HD_V02.000b Page 10 of 65 2007-02-19
Abbreviation Description
HiZ High Impedance
HR Half Rate
I/O Input/Output
IMEI International Mobile Equipment Identity
ISO International Standards Organization
ITU International Telecommunications Union
kbps kbits per second
LED Light Emitting Diode
Mbps Mbits per second
MMI Man Machine Interface
MO Mobile Originated
MS Mobile Station (GSM module), also referred to as TE
MT Mobile Terminated
NTC Negative Temperature Coefficient
PAP Password Authentication Protocol
PBCCH Packet Switched Broadcast Control Channel
PCB Printed Circuit Board
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
PPP Point-to-point protocol
PSU Power Supply Unit
R&TTE Radio and Telecommunication Terminal Equipment
RAM Random Access Memory
RF Radio Frequency
RTC Real Time Clock
RTS Request to Send
Rx Receive Direction
SELV Safety Extra Low Voltage
SIM Subscriber Identification Module
SMS Short Message Service
SPI Serial Peripheral Interface
SRAM Static Random Access Memory
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